Tapered roller bearings have tapered inner and outer ring raceway,

Greater carrying capacity. These backing bearings are separable bearings, rolling bearing according to the number of rows into single row, double row and four row tapered roller bearings. Single row tapered roller bearing clearance to be adjusted during installation the user; double row and four row tapered roller bearing clearance in the factory according to user requirements is given, not to be user adjusted.
Tapered roller bearings have tapered inner and outer ring raceway, Tapered Roller arranged in between. All conical surface projection lines are the same point on the bearing axis together. This design makes tapered roller bearings particularly suitable for combined (radial and axial) loads. Most of the axial load bearing capacity is determined by the contact angle α; α angle increases, the higher the axial load capacity. Angle size calculation factor e; e larger the contact angle the greater the bearing axial load greater applicability.
Tapered roller bearings are usually separated type, namely the belt roller and cage assembly of inner components can be composed with tapered conical outer inner (outer) installed separately.
Tapered roller bearings are widely used in automotive, mill, mining, metallurgy, plastics machinery and other industries.combined (radial and axial) loads. Most of the axial load bearing capacity is determined by the contact angle α; α angle increases, the higher the axial load capacity. Angle size calculation factor e; e larger the contact angle the greater the bearing axial load greater applicability.
Tapered roller bearings are usually separated type

Basic Code bearings

Bearing joints: the sliding contact surface of the spherical, mainly applicable to swing movement, tilting movement and rotation of spherical plain bearings.
Bearings: a set of bearing two or more simultaneously by said bearing structure combination of rolling Stainless steel slewing bearing  Such as needle roller and thrust cylindrical roller bearings, needle roller and thrust ball bearings, needle roller and angular contact ball bearings.
Other Bearings: In addition to the above other than the structure of the rolling bearing.A basic code used to indicate the bearing bore diameter series, the width of the series and type, generally up to five numbers, first described as follows:
1) bearing bore from the right with the basic code first, H digits. Of the common diameter d = 20 ~ 480mm inner diameter of the bearing is generally a multiple of 5, the two numbers indicate the inner diameter of the bearing to the quotient divided by 5, 04 such that d = 20mm; 12 so that d = 60mm. The inner diameter of 10mm, 12mm, 15mm and 17mm bearings, inner code in order to 00,01,02 and 03. For less than 10mm diameter and greater than 500mm bearings, inner representation otherwise, can be found GB/T272-93.
2) The diameter of the bearing series (ie, the same structure, the same inner diameter of the bearing outside diameter and width in the change series) with a basic code the third digit from the right. For example, for radial bearings and thrust bearings to the heart, 0,1 indicates special light series; 2 represents light series; 3 shows the series; 4 represents heavy series. Comparison between the size of the series as shown below. In addition to using a thrust bearing expressed special light series, the other with radial bearings expressed unanimous.
3) The width of the bearing series (ie structure, diameter and the diameter of the bearing width series are the same aspects of change series) fourth from the right with the basic code digits. Figure 13-4 when the width of the line as a comparison of diameter series 0 Series (normal range) when, for most bearing width in the designation may mark the series code O, but for self-aligning roller bearings and tapered roller bearings, width series Code 0 shall be marked.

Basic Code bearings

Bearing joints: the sliding contact surface of the spherical, mainly applicable to swing movement, tilting movement and rotation of spherical plain bearings.
Bearings: a set of bearing two or more simultaneously by said bearing structure combination of rolling bearings. Such as needle roller and thrust cylindrical roller bearings, needle roller and thrust ball bearings, needle roller and angular contact ball bearings.
Other Roller bearing  In addition to the above other than the structure of the rolling bearing.A basic code used to indicate the bearing bore diameter series, the width of the series and type, generally up to five numbers, first described as follows:
1) bearing bore from the right with the basic code first, H digits. Of the common diameter d = 20 ~ 480mm inner diameter of the bearing is generally a multiple of 5, the two numbers indicate the inner diameter of the bearing to the quotient divided by 5, 04 such that d = 20mm; 12 so that d = 60mm. The inner diameter of 10mm, 12mm, 15mm and 17mm bearings, inner code in order to 00,01,02 and 03. For less than 10mm diameter and greater than 500mm bearings, inner representation otherwise, can be found GB/T272-93.
2) The diameter of the bearing series (ie, the same structure, the same inner diameter of the bearing outside diameter and width in the change series) with a basic code the third digit from the right. For example, for radial bearings and thrust bearings to the heart, 0,1 indicates special light series; 2 represents light series; 3 shows the series; 4 represents heavy series. Comparison between the size of the series as shown below. In addition to using a thrust bearing expressed special light series, the other with radial bearings expressed unanimous.
3) The width of the bearing series (ie structure, diameter and the diameter of the bearing width series are the same aspects of change series) fourth from the right with the basic code digits. Figure 13-4 when the width of the line as a comparison of diameter series 0 Series (normal range) when, for most bearing width in the designation may mark the series code O, but for self-aligning roller bearings and tapered roller bearings, width series Code 0 shall be marked.

Thrust ball bearings: rolling a ball thrust bearing.

Rolling: the support load and moving parts relative to each other intercropping bearing rolling motion, which includes raceway parts and with or without isolation or rolling the guide member groups. Can be used to bear radial, axial or radial and axial joint load.
Angular contact bearings: ball and ring nominal contact angle greater than 0 °, but less than 90 ° bearing.
Spherical bearings: spherical and wide inner ring with locking bearing to the heart. Mainly for the simple shell.
Linear motion bearings: two raceways in the rolling direction relative linear motion bearing.
Ball bearings: rolling a ball Roller bearing
Deep groove ball bearings: Each ring has a cross-section of about one third of the circumference of the ball type raceway continuous groove radial ball bearings.
Thrust ball bearings: rolling a ball thrust bearing.
Roller bearings: rolling element is a roller bearing.
Cylindrical roller bearings: rolling body is cylindrical roller bearing to the heart.
Tapered roller bearings: rolling body is tapered roller bearing to the heart.
Needle roller bearings: rolling body is a needle roller bearing to the heart.
Spherical roller bearings: rolling body is convex or concave spherical roller tune heart aligning roller bearings. Convex spherical roller bearings, the outer ring has a spherical raceway; concave roller bearings, the inner ring has a spherical raceway.
Thrust roller bearings: rolling element is a roller thrust bearing.
Thrust cylindrical roller bearings: rolling body is cylindrical roller thrust bearing.
Thrust tapered roller bearings: rolling body is tapered roller thrust bearing.
Thrust needle roller bearings: rolling body is a needle roller thrust bearing.
Thrust spherical roller bearings: rolling body is convex or concave spherical roller thrust bearing. Convex spherical roller bearing ring raceway is spherical shape, a concave spherical roller bearing shaft ring raceway is spherical shape.
Bearings: Spherical bearings and pedestal combined with a component, in line with the bearing axis parallel to the support surface of the mounting screws on the bottom.

Tapered roller bearings use

Tapered roller backing bearings mainly bear radial diameter and axial joint load. Load bearing capacity depends on the outer ring raceway angle, angle greater carrying capacity. These bearings are separable bearings, rolling bearing according to the number of rows into single row, double row and four row tapered roller bearings. Single row tapered roller bearing clearance to be adjusted during installation the user; double row and four row tapered roller bearing clearance in the factory according to user requirements is given, not to be user adjusted. Tapered roller bearings have tapered inner and outer ring raceway, Tapered Roller arranged in between. All conical surface projection lines are the same point on the bearing axis together. This design makes tapered roller bearings particularly suitable for combined (radial and axial) loads. Most of the axial load bearing capacity is determined by the contact angle α; α angle increases, the higher the axial load capacity. Angle size calculation factor e; e larger the contact angle the greater the bearing axial load greater applicability. Tapered roller bearings are usually separated type, namely the belt roller and cage assembly of inner components can be composed with tapered conical outer inner (outer) installed separately. Tapered roller bearings are widely used in automotive, mill, mining, metallurgy, plastics machinery and other industries.

o achieve economic, social and environmental benefits of three harvest.

Fuda Taper bearing is a professional production of high-end miniature bearings of private enterprises. In recent years, the RMB appreciation, rising labor costs and increased cost of doing business in an increasingly competitive market environment, companies recognize that internal potential energy saving, opening up new profit source is imperative. To this end, in 2009, Fuda Bearing invested over 400 million yuan to introduce 10 sets of large centralized filter box, bearing in Cixi industry first grinding fluid cooling system using centralized filtration, innovation will be more than one grinder oil, water, liquid concentrate filtration. This program not only changed in the past a grinder equipped with a small tank filtration process simple single loop, there is a lower filtration, grinding fluid smelly, liquid process operatives in Canada will result in waste and oil pollution, etc. shortcomings, but also greatly improves the filtering accuracy, so that product quality has improved significantly.
"Bearing as a key component of mechanical transmission, the rotation accuracy of cleanliness associated with the bearing, and the grinding process is the final step of machining the bearing, the accuracy of the finished bearing, has a direct impact on the performance and service life. Therefore, we as energy conservation and consumption reduction of choice to try, but it just Fuda Bearing saving a series of projects which. "Fuda Bearing responsible person road, then, begun to taste the sweetness of energy but also on the internal Fuda Bearing all has the potential to be tapped local implementation of energy-saving technological transformation: For the bearing industry air compressor to use more energy-saving potential of the larger phenomenon, Fuda Bearing-saving inverter compressor will replace all conventional air compressor, greatly reducing the use electric energy consumption; an annealing heat utilization project to collect heat waste heat boiler to replace, saving of foreign coal resources while reducing emissions; addition, the workshop promote the use of energy-saving lamps, all sewer pipes all through the oil water treatment equipment will I exclude ...... This program will be a key energy companies brought a new level, to achieve economic, social and environmental benefits of three harvest.

Bearings and turntable bearing capability of mass production

Turntable backing bearings and cross roller bearings in the function and structure is quite similar, such as in high-rigidity, high-precision, high-speed rate of the superb performance. In the CNC Rotary, vertical machining centers, vertical grinders and other high-precision CNC machining equipment more and more away from traditional design, with better performance and high-precision cross roller bearings YRT turntable bearings.YRT turntable bearing turntable bearing or also known as the domestic popular wheel bearings, Germany INA has developed a similar three-row roller combined slewing bearing type structure, relative to the three-row roller combined slewing structure, small size , high level of accuracy, high rigidity, large load, and anti-corruption and so on. Mainly used in high precision CNC rotary table, CNC indexing plate, vertical machining centers, vertical grinder, radar, high-precision medical equipmentCrossed roller bearings known as cross roller bearings, cylindrical roller generally use roller or tapered roller in a single raceway cross mutually arranged between the roller and the roller cage or through isolation block interval, with high rotational accuracy, the larger the capacity, the smaller dimensions and a higher rotational speed and rigidity, with a very wide range of uses. For industrial robots, welding robots, medical equipment, etc. load smaller, lower accuracy class mechanical fields.YRT turntable Slewing bearing and cross roller bearings in all respects with traditiobearings insurmountable advantagesOn the structural front, YRT turntable bearingand cross roller bearing structure is much simpler compared to conventional bearings, arranged through a multi-row cylindrical rolling elements, it can get quite large axial, radial bearing capacity and overturning moment, the structure is relatively simple much, while the traditional bearings must be ordered through multiple sets of bearings, in order to achieve the same effect, which in the design and assembly installation will bring a lot of convenience. YRT bearing three row roller combined slewing bearing structures and cross roller bearings, single row raceway structure, as opposed to conventional bearings, occupy much smaller space equipment, assembly difficulty is significantly reduced.

Currently, Luoyang Hongyuan Bearing Technology Co., Ltd. (LYZC) high-precision processing equipment and industrial workers, the overall quality gap is getting smaller as compared with foreign countries, LYZC production YRT turntable bearings and cross roller bearing quality more stable, fully meet the diverse needs of customers at home and abroad, LYZC production YRT turntable bearings and cross roller bearings and more advanced technology to reach the world famous bearing manufacturer's quality standards, accuracy levels have P5, P4, P2 class, the cost of production greatly reduced, greatly reducing the production cycle, and has formed a production.

Building industrial park located in Quzhou bearing

 Relying Luoyang Bearing Research Institute is a Ministry of Machinery fourth and Design Institute, Luoyang Stainless steel slewing bearing Group Co., Ltd. Technology Development Center on the strong technical force, with strong new product development capability and domestic first-class level of machining enterprise; After years of development, has become a professional engaged in the production of non-standard bearings.
The main production wheel bearings (slewing ring), special precision bearings, rolling mill bearings, backstop, expansion sets and bearing accessories and other products, is a research, trade as one economic entity.
Recently, Luoyang Precision Bearing Bearing Company invested industrial park construction project completed in Quzhou site, officially settled.
It is reported that the project total investment of 20 billion yuan, the main building of R & D building, workshop, factory and other ancillary facilities.
After completion of the project, which can accommodate 30 finished bearing manufacturers, as well as more than 30 forging companies, vehicle processing, heat treatment and other ancillary enterprises stay, forming a complete industrial chain bearing.
After the project is to achieve an annual output of bearing output value, sales income of 2 billion yuan, profits and taxes 350 million yuan.
Now large rolling bearings, slewing ring has become the leading enterprise products, with strong production and processing of 1 to 4 meters in diameter slewing ring bearing capacity, can meet a variety of large machinery and equipment matching requirements; Foreign and have more strong ability to contract machining contract. I will be honest and pragmatic attitude, with advanced technology, reliable quality, affordable price to all the friends. "Together, innovation, together" is our business philosophy. "Integrity, diligence, win-win" is our principle of service

The company produces a full range of high-temperature bearings

High temperature tapered bearing (160 degrees -800 degrees)
On the structural front, YRT turntable bearings and cross roller bearing structure is much simpler compared to conventional bearings, arranged through a multi-row cylindrical rolling elements, it can get quite large axial, radial bearing capacity and overturning moment, the structure is relatively simple much, while the traditional bearings must be ordered through multiple sets of bearings, in order to achieve the same effect, which in the design and assembly installation will bring a lot of convenience. YRT bearing three row roller combined slewing bearing structures and cross roller bearings, single row raceway structure, as opposed to conventional bearings, occupy much smaller space equipment, assembly difficulty is significantly reduced.
a) High-aligning (ceramic) ball Taper bearing T (C) 10000 Type TS (C) 10000 Type
b) High-aligning roller bearings TS20000 type
c) high temperature type tapered roller bearings TS30000
d) high thrust (ceramic) ball bearing T50000 (C) type, TS (C) 50000 Type
e) high-temperature deep groove (ceramic) ball bearing T (C) 60000 Type TS (C) 60000 Type
f) High angular contact (ceramic) ball bearing T (C) 70000 Type TS (C) 70000 Type
g) high thrust roller bearings T80000 type, TS80000 type
h) high cylindrical roller bearings TN0000 (C) type, TSN0000 type
i) high spherical (ceramic) ball bearing T (C) U0000 model, TS (C) U0000 type
j) high temperature type spherical bearing TH20000
k) High angular contact bearings THG000 type
l) high-temperature bearings THT000 type straight sets
m) high block type sleeve bearing THD000
n)-type high-temperature metal bearings THW00

Through restructuring to enhance the production capacity of cross roller bearings

 Currently the only professional development, production and sales of precision turntable bearings and thin-walled cross-roller bearings. The main products are series of high-precision YRT turntable bearing, thin-walled cross-roller bearings, precision grade P5, P4, P2 class, the size range is OD φ1800mm-φ50mm. Standard turntable bearings YRT turntable bearing series, YRTS speed turntable bearings, YRTM angle measuring system with turntable bearings, ZKLDF way thrust angular contact ball tapered bearing  Thin section crossed roller bearings with SX, CRB, CRBC, CRBH series, RB, RE , RU series; crossed tapered roller bearings have XR, JXR series. The company's core products after years of technology development, technology is mature, excellent quality, and accuracy of the technical indicators have reached similar foreign product requirements, breaking the foreign companies of similar products in the domestic long-term monopoly. The major products for precision CNC rotary table, dividing head, military radar, aviation, aerospace, and measuring and test requirements of high precision field.
Companies focus on modern management model, has passed the ISO9001 international standard quality system certification. Production management by computer network control, product development, process planning professional bearing design software has been adopted to achieve a high efficiency, high-quality bearing R & D capabilities. Professional technical team and standardized management system is our products high precision and high quality of effective protection.
After years of core product technology research and development, continuous improvement for the user's needs, repeated practice, mature technology, excellent quality, and accuracy of the technical indicators have reached similar foreign product requirements, breaking the foreign like product in the domestic long-term monopoly! Designed to create "high, fine, sharp" bearings, mainly used in high-precision CNC rotary table, robot joints and rotating unit, dividing head, aviation, aerospace, military radar, precision medical instruments and measuring and test the high accuracy fields. Since its inception, on the development of precision bearing production as the company's development direction. Company focus on technological innovation, tracking international bearing industry trends, emphasis on new product development to protect, three years have been China National Bureau of knowledge-based industries reporting 7 utility model patents. Company has more than 400 domestic and foreign customers, target customers are CNC machine tool industry, aerospace, precision instruments, military radar, precision medical equipment and other industries, the company has independent import and export right, 50% of products are exported to Europe, North America, etc. countries and regions, and occupy 70% of the domestic market YRT turntable bearing.
Turntable bearings and cross roller bearings in the function and structure is quite similar, such as in high-rigidity, high-precision, high-speed rate of the superb performance. In the CNC Rotary, vertical machining centers, vertical grinders and other high-precision CNC machining equipment more and more away from traditional design, with better performance and high-precision cross roller bearings YRT turntable bearings.
YRT turntable bearing turntable bearing or also known as the domestic popular wheel bearings, Germany INA has developed a similar three-row roller combined slewing bearing type structure, relative to the three-row roller combined slewing structure, small size , high level of accuracy, high rigidity, large load, and anti-corruption and so on. Mainly used in high precision CNC rotary table, CNC indexing plate, vertical machining centers, vertical grinder, radar, high-precision medical equipment.
Crossed roller Roller bearing known as cross roller bearings, cylindrical roller generally use roller or tapered roller in a single raceway cross mutually arranged between the roller and the roller cage or through isolation block interval, with high rotational accuracy, the larger the capacity, the smaller dimensions and a higher rotational speed and rigidity, with a very wide range of uses. For industrial robots, welding robots, medical equipment, etc. load smaller, lower accuracy class mechanical fields.
YRT turntable bearings and cross roller bearings in all respects with traditional bearings insurmountable advantages.
On the structural front, YRT turntable bearings and cross roller bearing structure is much simpler compared to conventional bearings, arranged through a multi-row cylindrical rolling elements, it can get quite large axial, radial bearing capacity and overturning moment, the structure is relatively simple much, while the traditional bearings must be ordered through multiple sets of bearings, in order to achieve the same effect, which in the design and assembly installation will bring a lot of convenience. YRT bearing three row roller combined slewing bearing structures and cross roller bearings, single row raceway structure, as opposed to conventional bearings, occupy much smaller space equipment, assembly difficulty is significantly reduced.

Tilting Tilting feeder vibrating feeder

Swing Feeder much as a ball mill set mine belt conveyor feeding equipment. Also called quantitative feeder, feeder evenly.
Swing Feeder Features: Smooth vibration, reliable operation and long life; exciting force can be adjusted, you can change and control flow, convenient adjustment and stability; vibration motor as vibration source, low noise, small power consumption, tuning performance well, no red material phenomenon.
I plant feeder simple structure, reliable operation, easy installation, adjustment, light weight, small size, easy maintenance, the use of closed body structure, can effectively prevent dust pollution.
Swing Feeder technical parameters
Model and specification Outlet size (mm) oscillating frequency (times / min) swing stroke (mm) Feeding size (mm) Capacity (t / h) Outlet size
Width Height Model Power (kw)
300 × 300 250 250 68 0-90 12 2-5 Y90L-4 1.5
400 × 400 350 300 47 0-170 30 3-8 Y100L1-4 2.2
600 × 600 550 400 45 0-220 50 7-12 Y100L2-4 3
750 × 750 600 450 35 50-200 65 10-18 Y112M-4 4
Swing Feeder installation and commissioning, use and maintenance:
1, feeder such as for lysn-bearing  dosing, in order to ensure a uniform and stable feeding, to prevent the material gravity should be installed horizontally, such as for general continuous feeding materials can be down-dip 10 ° installation. For viscous materials and high moisture material can be down-dip 15 ° installation.
2, after the installation of the feeder should be left swimming 20mm gap should be horizontal lateral suspension means the use of flexible connections.
Three empty test before all bolts should be strong again, especially the vibration motor bolts, 3-5 hours of continuous operation, should be re-tightened once.
4, runs in, two vibrating motors must rotate.
5, feeding time during operation should always check the amplitude of the current and noise stability, abnormal should promptly stop treatment.
6, the motor bearings once every two months filling lubricants, high temperature lubricants season should once a month raise.
Swing Feeder adjust the eccentric pin eccentric eccentricity, can change the stroke length of the oscillating plate, to adjust the feed amount of a wide range, adjust the level of the discharge port shutter to change the size of the discharge port, able to make precise adjustments to the feeding amount.

Slewing

1 Single-row four-point contact ball Stainless steel slewing bearing seat by the two components, compact, light weight, and the circular raceway ball four point contact, can withstand the axial force, radial force and overturning moment. Rotary conveyor welding operation machine small cranes and excavators and other construction machinery can be selected.
(2) Single-row crossed roller slewing ring, composed by the two seat, compact structure, light weight, small assembly space for installing high precision cross roller arrangement is 1:1, can withstand the axial force, overturning moment and larger radial force, is widely used in material handling, construction machinery and military products.
3 three-row roller slewing bearing has three seat bottom and radial raceway separate from each other so that each row roller load can be determined exactly, can withstand the various loads, are the four products a maximum carrying capacity, axial and radial dimensions are larger firm structure, particularly for applications that require larger diameter heavy machinery, such as bucket wheel excavators, wheeled cranes, ship cranes, ladle turret and large-tonnage truck crane and other machinery.
4 double-row slewing bearing has three seat, ball and isolation block can be directly discharged into the upper and lower raceway to the situation by force, arranged two rows of steel balls of different diameters. This assembly is very convenient, the upper and lower circular raceway bearing angles are 90 °, can bear large axial forces and tilting moment. When the radial force is greater than 0.1 times the axial force required specially designed raceways. Double-row slewing bearing axial and radial dimensions are large, solid structure, especially for applications that require above average diameter of tower cranes, truck cranes and other handling machinery.
5 double row ball slewing ring with a single row four point contact ball slewing bearing structure is basically the same structure, the difference is that the slewing ring has two rows of rolling elements. Can withstand the large axial load, radial load overturning moment. With a variety of cranes, excavators and other mechanical equipment.

four cylindrical roller bearings

four cylindrical roller bearings
Are separable bearings, inner and outer components (outer ring, complete roller) allows interchangeable assembly. Such bearings due to limited installation space for maximum dynamic load rating, often used in heavy machinery, such as rolling mill.Basic Types
Four cylindrical roller tapered bearing  there are three basic types: FC type, FCD-and FCDP type, as shown below.
listed in the table bearing outside diameter less than 400MM three basic types of bearing data and the corresponding Code of large foreign companies.
XLB may need to produce other size or structure of multi-row cylindrical roller bearings.NJ23 ... VH series
Are inseparable, such as five cage isolation bearing rolling elements, the internal friction received large speed limit. Full complement cylindrical roller bearings are mainly two kinds of single and double row, sealed single row and double row bearings are mainly used for transmission mechanism, and with sealed double row bearings are mainly used in lifting mechanism, in addition, XLB user can press other types of customized and structure full complement cylindrical roller bearings, the most common typesNJ23 ... VH Series: This series bearings are full self-locking roller bearing outer ring has two ribs, inner single-wall, can withstand axial force, the roller fixed on the outer ring, the inner ring even removal will not emerge.
NC Series: inner ring has two ribs, with an outer wall and a living pine ring, used as a fixed bearing, can withstand axial forces in both directions.
NCF Series: bearing inner ring has two ribs, only one outer wall, the wall on the other side there is a move to keep outer ring does not emerge from the bearings, these bearings can withstand axial one direction force

N-type bearing inner ring has two ribs

The inner five ribs, N type and NU type backing bearings are swimming bearings can not bear axial force. NJ bearing outer ring has two ribs, the inner ring has a wall that can withstand axial forces in one direction. NUP type bearings are used as fixed bearing outer ring has two ribs, the inner wall has a fixed and a movable ring, can withstand axial forces in both directions. An NJ type bearings and a thrust collar HJ NUP type can form a similar fixed bearings. E suffix Roller bearing have enhanced its optimized internal design to increase the carrying capacity of the bearing pairs inXLB single row cylindrical roller bearings, as amended, and the inner ring road roller can reduce the stress concentration, allowing a certain pair angular deflection. Under normal conditions of use, and its off-center angle should be no more than 4 ', is likely to have a greater angle to adapt to the occasion, XLB also produces larger inner ring raceway convexity (suffix B), cylindrical roller bearings.
pairs of row cylindrical roller bearingsBelongs swimming bearings, theseparability make installation and removal is very convenient, two rings are can be a tight fit, so it's an inner ring with three basic types of wall, outer wall of the NN model, outer ring with three ribs, the inner circle has ribs NNU type.
Such bearing diameter processed into a cylindrical bore, tapered bore can also be processed into. Tapered bore bearing the suffix K logo taper 1:12, can bearing radial clearance required at installation time to adjust to the optimum value.
In addition, in order to lubricate simple, these bearings have an outer ring grooves and three; hole (suffix W33).
PairDouble row cylindrical roller bearings are not allowed on the bias.
ToleranceDouble row cylindrical roller bearings are used in machine tools, precision bearings, the general tolerance class SP level. XLB can provide other required accuracy level as P5 grade bearings.
ClearanceDouble row cylindrical roller bearings are generally used clearance C1, C1 group of clearance than normal clearance group is much smaller, so pay attention not interchangeable bearing forest, XLB can be required to provide additional clearance group of the double row cylindrical roller bearings . Clearance values ​​see cylindrical roller bearing radial clearance.

Product Name: TV shaft GT-0012-2D36

According to FAG N11CA regulations, tapered roller Taper bearing arranged on the X-type configuration. Bearing on the axial clearance between the spacer through the outer set; its value by a suffix, for example A80.120 represents a pair of bearings before installing the axial clearance of 80 ~ 120μ m. Paired bearing operating speed than can be achieved by a single bearing calculated to allow low speed about 20%. If the bearing to provide a very comprehensive cooling
Model: GT-0012-2D36
Brand: GT
Positioning holes: L150-240 * W31-52mm
Material: ABS/SK7
Torque: 20kg-60kg
Available size: 26 "-42"
Forward back: /
Left rotation: 15 degrees
Surface treatment: Electroplating
Life Test: 5000 times
Success Story: TPV 2D36 models in use
  Product Name: TV shaft GT-0012-2D33
Model: GT-0012-2D33
Brand: GT
Positioning holes: L100-170 * W42-65mm
Material: ABS / Aluminum / SGCC
Torque: None
Available size: 26 "-42"
Forward back: /
Left rotation: /
Finish: /
Life test: /
Success Story: TPV 2D33 models in use
  Product Name: TV shaft GT-0012-2DX4
Model: GT-0012-2DX4
Brand: GT
  Material: SGCC + ABS
Maximum weight: 20kg
Available size: 26 "~ 32"
Positioning hole: 120 * 45

TV shaft GT-0029-Y43

TV shaft GT-0029-Y43
Oversize full cross-tapered Roller bearing roller half cone angle quickly select Pei Hongtao (Luoyang Bearing Group Co., Ltd. Technology Center, Luoyang, Henan 471039) Abstract: The full crossed tapered roller slewing bearing roller half cone angle selection is more difficult This paper will pick roller half cone angle of tedious calculations to be simplified lookup table approach,
Model: GT-0029-Y43
Brand: GT
Positioning holes: L15.5 * W48mm
Material: SPCC
Torque: 20kg-50kg
Available size: 17 "-26"
Forward back: forward 5 degrees / 15 degrees backwards
Left rotation: /
Surface treatment: Electrophoresis Black
Life Test: 5000 times
Success Story: Skyworth Y43 models in use
  Product Name: TV shaft GT-0012-2D26
Model: GT-0012-2D26
Brand: GT
  Positioning hole: 24 * 122 * 150mm
Material: ABS / Aluminum / SGCC
Torque: None
Available size: 26 "-42"
Forward back: /
Left rotation: /
Finish: /
Life test: /
Success Story: TPV 2D26 models in use

thereby reducing the cost of the turntable.

RB50040 Crossed roller bearings
Crossed roller bearings by the Luoyang Bearing manufacturer Co., Ltd. specializes in producing Bo Ying, cross roller bearing is characterized by two roller bearings, two rows of staggered rollers. With conventional thrust bearing and radial bearing assembly compared to the centering, cross roller bearings, compact structure, small size, and simplifies the design of workstations, thereby reducing the cost of the turntable.
RB7013 Crossed roller bearings - Cylindrical roller bearingsCrossed roller bearings by the Luoyang Bearing Co., Ltd. specializes in producing Bo Ying, cross roller bearing is characterized by two roller bearings, two rows of staggered rollers. With conventional thrust bearing and radial bearing assembly compared to the centering, cross roller bearings, compact structure, small size, and simplifies the design of workstations, thereby reducing the cost of the turntable.
188 Product Name: TV shaft GT-0029-Y27
Model: GT-0029-Y36
Brand: GT
Positioning holes: L82-41 * W36.5-11mm
Material: SPCC
Torque: 20kg-50kg
Available size: 17 "-26"
Forward back: forward 5 degrees / 15 degrees backwards
Left rotation: /
Surface treatment: Electrophoresis Black
Life Test: 5000 times
Success Story: Skyworth Y36 models use success stories: Skyworth Y27 models used in this.

RB15025 Crossed roller bearings

 Crossed roller Taper bearing
 Crossed roller bearings by the Luoyang Bearing Co., Ltd. specializes in producing Bo Ying, cross roller bearing is characterized by two roller bearings, two rows of staggered rollers. With conventional thrust bearing and radial bearing assembly compared to the centering, cross roller bearings, compact structure, small size, and simplifies the design of workstations, thereby reducing the cost of the turntable.

 RE14016 bearing bearing-RE14016Crossed roller bearings RE basic structure:
RE-type (inner split type, with rotating outer ring)
This series of models by RB-type design concept of the new generation type, model RB same main dimensions. Its structure is split inner ring is the type, the outer ring is the one designed for applications requiring high precision rotation of the outer parts.

Crossed roller bearings RE series Crossed roller bearings can bear radial load, axial load and moment load and other multi-directional load. Inside and outside the ring size is small, thin form is close to the limit of small size, and has high rigidity and precision can reach P4, P2 class.

tapered roller large end diameter Dwp

Oversize full cross-tapered roller bearings roller half cone angle quickly select Pei Hongtao (Luoyang Bearing Group Co., Ltd. Technology Center, Luoyang, Henan 471039) Abstract: The full crossed tapered roller slewing bearing roller half cone angle selection is more difficult This paper will pick roller half cone angle of tedious calculations to be simplified lookup table approach, which greatly improves the design efficiency. Keywords: Large bearings; tapered roller bearings; wheel bearings; roller; half cone angle; selected CLC: TH133.33; TH123.1
Document code: B Article ID :1000 -3762 (2004) 01-0006-03 Symbol Description d bearing inner diameter of the bearing outer diameter D T C bearing outer ring bearing the total height height B Basis inner bearing cone height h Face-to-end distance of the outer ring non-benchmark
half cone angle φ roller D
tapered roller large end diameter Dwp
Pitch circle diameter of rollers
ε full complement midnight raceway circumference total clearance Z
Full complement roller bearing turntable is a large number of simultaneous bear large axial load
, Radial load and overturning moment, comprehensive load special structure Cylindrical roller bearing  Under normal circumstances, wheel bearings are with mounting holes, lubricants holes and sealing devices. Crossed tapered roller slewing bearings and crossed cylindrical roller slewing bearings, in addition to a high static load capacity, but because of its preloaded bearings can have greater bearing stiffness and high rotational accuracy is widely used in lifting transport machinery, mining machinery, port machinery, construction machinery and other large slewing ring. Full cross-tapered roller wheel bearings can accommodate roller due to larger quantities, can provide greater capacity and static load bearing stiffness for low speed and heavy conditions used, hm minimum film thickness Δa, Δi assembly work clearance influence quantities ΔQ1, ΔQ2 effect of temperature on the amount ΔR clearance work load impact on the amount of clearance work Δp preload adjustment amount (closed loop) 4 bearing clearance problem in the <280 finishing mill gear unit bearing clearance is achieved actual use of them is particularly important parameter is also affected by external and internal factors constraining the larger argument only on some of the above-mentioned factors were analyzed for different use of the environment, in part by the secondary becomes the dominant factor, here on the shaft architecture, bearing manner, shaft stiffness on the impact of the bearing clearance is not described. A steel rolling mill in aqueous finishing mill reducer used 23038,23032,23030 bearings, application of the above methods of analysis

tapered roller large end diameter Dwp

Symbol Description d bearing inner diameter D of the Roller bearing outer diameter T bearing total height height B C bearing outer bearing inner face to the reference height h of the inner face of the outer ring non-reference distance
half cone angle φ roller D
 tapered roller large end diameter Dwp
Pitch circle diameter of rollers Received date :2003 -01-22
ε full complement midnight raceway circumference total clearance Z
Full complement roller bearing turntable is a large number of simultaneous bear large axial load
, Radial load and overturning moment, comprehensive load special structure bearings. Under normal circumstances, wheel bearings are with mounting holes, lubricants holes and sealing devices. Crossed tapered roller slewing bearings and crossed cylindrical roller slewing bearings, in addition to a high static load capacity, but because of its preloaded bearings can have greater bearing stiffness and high rotational accuracy is widely used in lifting transport machinery, mining machinery, port machinery, construction machinery and other large slewing ring. Full cross-tapered roller wheel bearings can accommodate roller due to larger quantities, can provide greater capacity and static load bearing stiffness for low speed and heavy conditions make

Stud type track rollers bearings

Main structure
Structural features Taper bearing code
KR with cage suffix "X" is expressed as a cylindrical outer surface, for example: KR16 X
KR .. PP There cage with a ring
KRV full complement needle roller
KRV .. PP full complement needle roller with a ring
NUKR full complement cylindrical roller
NUKRE full complement cylindrical roller with eccentric
CR Inch with cages
CR .. UU Inch the cage with a ring
CRV ... Inch without cage
CRV ... UU Inch no cage with a ring

CRY ... V
CRY ... VUU

KRE said that with the eccentric, a cage

KRVE said that with the eccentric, full type

Needle roller bearings

 Drawn cup needle roller bearing outer ring is thin steel precision stamping, structural space, and has a larger load capacity. For mounting space is limited and the housing bore should not be used as raceways occasions. And pressed into the bearing hole after having further axial positioning.
    Main structure:

Structural features bearing code
HK Piercing Needle roller bearings
HK ... RS Piercing drawn cup needle roller bearings with single-sided with a ring
HK ... 2RS Piercing drawn cup needle roller bearings with double-sided tape seals
BK Drawn cup needle roller bearings
BK ... RS Sealed drawn cup needle roller bearing side with a ring
F Piercing drawn cup full complement needle roller bearings
FY Piercing drawn cup full complement needle roller bearings (grease limit)
MF Drawn cup full complement needle roller bearings
MFY Drawn cup full complement needle roller bearings (grease limit)
SCE SCH Piercing Needle roller bearings
BEC BCH Drawn cup needle roller bearings
B drawn cup full complement needle roller bearings
   Needle roller backing bearings without inner ring general class. If you need to use the inner ring, inner ring IR type can be used.
DF bearings Needle roller bearings are divided into both ends of perforation (HK-type) and bearing one end closed (BK type). And perforation drawn cup needle roller bearings, sealed bearing is sealed at one end, suitable for shaft, and can withstand small axial momentum.。

Overall eccentric bearing

155 The company mainly produces special overall eccentric Taper bearing reducer, eccentric bearings for, reducer, petrochemical. Textile, metallurgy, mining. Mills etc. severity machinery I plant strong technical force. Production equipment. Detection means perfect. level of advanced technology. strict implementation of national [lso9001] technical standards .0075200 .. 0075100. products. one hundred kinds of models. replace imported bearings. fill the gap. to. quality first, service first, credit first. integrity first, the spirit of enterprise. committed bearing industry changes. sincerely welcome all relevant enterprises extensive cooperation.

Needle and thrust ball bearings

 backing bearings is our distinctive a product with high precision, long life together and so on. Currently our company has the domestic production of bearings manufacturers supporting multiple hosts and exported abroad. Combined needle roller bearing is a radial needle roller bearings and a thrust bearing combination, it can withstand radial and axial loads. Combined needle roller bearings in a small space on the fixed end of the radial bearing arrangement for positioning. ... And other types of fixed-end bearing space where much of these bearings particularly useful.

Needle - angular contact ball bearings

Needle and thrust ball bearings (NKX00 type) br2, needle and thrust ball combination with a cover bearing (NKX00Z type) br3, with inner

Ring needle roller and thrust ball bearings (NKX00 + IR type) br4, with an inner ring of the needle and thrust ball combination with a cover bearing (

NKX00Z + IR type) br5, needle roller and angular contact ball bearings (NKIA0000 type) br6, needle and three-point contact ball bearings (

NKIB0000 type) br7, needle roller and cylindrical roller thrust bearings (NKXR type) br8, with needle and cylindrical roller thrust housing group

Combined bearings (NKXR ... Z-type) br9, with an inner ring needle roller and thrust cylindrical roller bearings (NKXR + IR type) br10, with an inner ring of

Needle roller and thrust with housings cylindrical roller bearings (NKXR ... Z + IR type) br11, needle roller and thrust cylindrical roller bearings

(ZARN type) br12, with flange needle roller and thrust cylindrical roller bearings (ZARF type)

Plane needle bearing | flat cylindrical roller bearings

   By a plane bearing with needle roller or cylindrical roller flat cage assemblies and a flat washer components. Needle and cylindrical roller flat cage by holding and guidance. DF with the different series of plane bearing washers when used for the bearing can be configured to provide many different combinations. As the use of high-precision cylindrical roller (needle) increased contact length makes this bearing in a small space available under a high load capacity and high rigidity. Another advantage is that if the surface of the adjacent parts suitable for use as can be omitted when the raceway washers, can compact design, DF flat needle Stainless steel slewing bearing and cylindrical roller flat needle roller bearings and cylindrical roller cylindrical surface is surface modification can reduce the edge stress, improve life.
Flat needle roller and cage assemblies AXK
Needle roller and cage assemblies plane is a flat needle bearing main components. Arranged by the radial needle roller bag holder and guidance. The holder having a specific cross-sectional shape, is formed of hardened steel. Small cage with industrial plastics.
Precision needle roller diameter grouping tolerance of 0.002mm, to ensure that the load is evenly distributed. Needle roller and cage assemblies plane axis-boot. Thus, even if the guide surface at high speed can be obtained relatively low circumferential speeds.
If the adjacent raceway surface is designed to save space-saving washer will receive a special support. If this program can not be implemented when there is sufficient support in the conditions, the use of thin-walled steel washers AS Series also enables a compact design.
Flat cylindrical roller bearings 811,812,893,874,894
This bearing is composed of a flat cylindrical roller and cage assembly, a bearing locating ring GS and a WS-axis positioning components. 893,874 and 894 series flat cylindrical roller bearings can be used for higher loads.
Flat cylindrical roller bearing cage by high quality steel stamping, but also by industrial plastics, light metals and brass made​​, the user request based on the environment.

Needle Roller Bearings | Radial needle roller and cage assemblies

 Radial needle roller and cage assemblies (needle bearing) is independent of the rolling element cage two broad guide spacing, both to guide the needle accurately, but also to maintain the correct position of needle. This kind of Taper bearing for the shaft and housing bore can serve as raceways occasions, only the shaft and housing bore raceway processed to the required dimensions and geometric precision, you can ensure minimum space high rotational accuracy.
Main structure:
Structural features bearing code
K / KS single / single split
KK / KKS double row / double row split
KZK connecting rod with crank pin
KBK connecting rod with piston pin
KNL long cylindrical roller and hold assemblies
DF Radial needle roller and cage assemblies with a single K-type double row K. ..... ZW type, but also in the whole cage can not be installed, you can use a special mesh-type needle roller and cage assembly bearing rear add "D", namely K. ..... D, K. ..... ZWD.

Two-way bearings:

In the two-way thrust angular contact in Beas River and beam series ball bearing axial stiffness and key in the table above for the factory set preload, unsuitable or operational impact. Stiffness values ​​can also be found in the product table (two-way bearing, two-way Roller bearing mounting bolts).
Cartridge Unit:
For cartridge units, axial stiffness in the product table.
These values ​​correspond to a single corresponding arrangement multiplied by these factors.

One-way bearing:

The nominal one-way bearing stiffness values ​​listed in the table, the table can be found in the product.

They are suitable for both Slewing bearing  bearing sleeve in a back-to-back or face-unloading arrangements. Bearing sleeve is made of three or four bearings (Figure) can provide two sets of bearing axial stiffness is higher than the degree.

The degree of stiffness of the bearing sleeve, are listed in the table can be multiplied by a factor values:

- 1,45 to 1,65 sleeve bearings and three, schedule synchronization and backup-to-back or face-
- 1,8 to 2,25 four bearing sleeve, schedule synchronization and backup-to-back or face-
- For the four bearing sleeve 2, arranged back-to-back or face-

Lower value factor for bearing axial light load (P ≤ 0.05 C) and the larger the value of the larger axial load (P> 0,1 C) to the bearing.

Heavier preload bearing sleeve provides a higher degree, but stiff, this should be considered aggravated pretension to avoid friction and heat greatly increased from one generated by the bearing stiffness high academic requirements, please apply engineering services, their cases have simulation tools to estimate the friction behavior, preload increases.

Angular contact thrust ball bearings axial stiffness of the screw

 SKF Roller bearing angular contact thrust ball bearing screw axial stiffness:

Axial stiffness is one of the main criteria when choosing the screw bearings. SKF company - SNFA super-precision angular contact thrust ball bearings

By Order of the axial stiffness to provide a very high level.

Angular contact thrust ball bearings axial stiffness of the screw

  SKF bearings angular contact thrust ball Taper bearing screw axial stiffness:

Axial stiffness is one of the main criteria when choosing the screw bearings. SKF company - SNFA super-precision angular contact thrust ball bearings

By Order of the axial stiffness to provide a very high level.

Bearing Supply DDL1360

  Specializes in Japanese NSK, NTN, IKO bearings, Sweden, SKF tapered bearing  Germany FAG, INA bearings, TIMKEN the United States and other countries

Internationally renowned brands of bearings. Range of specifications, widely used: aviation, aerospace, metallurgy, steel, mining, electricity, machine

Mechanical manufacturing, printing, electronics, textiles, food, chemical, automotive and other fields. Shanghai Tong Qi bearings can adhere to customer

On the concept of honesty, customer satisfaction as the eternal pursuit. My company has with Hong Kong, Taiwan, Singapore,

Europe, many manufacturers and brand agents to establish a good relationship of cooperation. For domestic customers to provide quality

Bearing products and timely and thoughtful service

Omission bearing basic code

  Earlier we said "bearing basic code", under normal circumstances bearing basic code is 5, which is a bearing type generations

No. (from left one), two dimension series code (second from left, three), two inner code (the last two).

However, some special cases, it will omit the code below to follow robin slowly learn it :)

Possible to use language to explain some chaos, I was sorting tables, will be made for everyone to download in PDF format, the first to leave a link here

Let me double row angular contact ball bearings, type code is "0", generally omitted, the basic code into four, and there are "3200" and

"3300," two series. The type code "3" at the backing bearings of the tapered roller bearing can not be omitted code, so the tapered roller shaft

By Order of the basic code is five, with such ease of double row angular contact ball bearing zones separated.

Ha shaft bearing six new core system booster satellite

Chang E II satellite together with Chang E One satellite production is completed, the initial of its identity is Chang E One of the backup satellite. In Chang

E One successful completion of the task, backup satellite Fengyun named Chang E II, as a second phase of exploration leading star, to verify

Two engineering technology, focusing on the task requires a technical improvements. The core system, the application of AVIC Hal

Bin Bearing Co., Ltd. developed six varieties of bearings.
AVIC Ha Chang-e II shaft bearings offered six varieties, all of Chang E II development of new products. According to the company

Vice President Lu Haiqing, the new R & D in the six bearings are mounted in long Sanbing rocket and Chang E II power systems, power train

And other core parts of the system. Special aerospace bearing material, process complexity, high accuracy, the application of the rocket and Chang E two long Sanbing

Number of new varieties in Kazakhstan axis high precision and high reliability reflects the new breakthrough.
If you imported bearings, bearings and other bearings have domestic needs, please call Beijing Jianlong Electrical Sales Center into St. John

Line consultation, we have skf bearings, fag bearings, ina bearings related information, please see www.87227176.com or direct telephone

Contact us.

Yinchuan, Northwest Bearing largest private enterprises restructuring largest shareholder changes

In the just released three quarterly Pre-losing announcement, the Northwest Bearing October 18 announcement that the largest shareholder of China Great Wall of capital

Asset management company, intends to shares held 4,336 shares (tradable shares) Agreement to Ningxia stone pagoda

Group Co., Ltd., have signed a "Share Transfer Agreement."
According to the announcement, the equity transfer, the pagoda Sinopec will become the company's largest shareholder, accounting for 20% of the total shares of the company, the Great Wall

Company shares held 3855 shares, representing 17.78% of total shares. But for the price of the transfer, the Northwest bearing expressed

Prices subject to final approval by the Ministry of Finance

The material factors that affect the bearing life

   6812ZZ  6203N  NJ317EM  7319C/DF  LB8NY  7020AC/DB  6301-RS
  61812-2Z  6226-Z  HH224310  M84510  HR31311J  629Z  6311Z  71936CDF
Rolling the early failure mode of cracks, plastic deformation, wear, corrosion and fatigue, under normal conditions,

Main contact fatigue. In addition to the failure of the bearing parts outside service conditions, mainly due to the hardness, strength, toughness, wear

Resistance, corrosion resistance and stress state constraints. Affect the performance and status of these main underlying factors that have the following several.
1.1 quenched martensite in steels
Carbon chromium steel original organization granular pearlite, in state quenching and tempering, quenching martensite carbon content was significantly

Affect mechanical properties of steel. Strength, toughness, about 0.5%, the contact fatigue life of about 0.55%, compressive crushing capacity

0.42% or so, when the GCr15 steel quenched martensite carbon content of 0.5% to 0.56%, you can get the strongest anti-failure

Mechanical properties.
It should be noted, in this case obtained cryptocrystalline martensite
      6812ZZ 6203N NJ317EM 7319C/DF LB8NY 7020AC/DB 6301-RS
   61812-2Z 6226-Z HH224310 M84510 HR31311J 629Z 6311Z 71936CDF

On the bearing industry

 In the country can say that a large part of the corporate brand bearings are willing to choose to use, especially of imported bearings, such as skf bearings, fag bearings, nsk bearings, etc. brand bearings. Admittedly these bearings have obvious advantages compared to domestic bearings, relative prices higher. But put in that performance and scale, companies will still like it.
While the domestic backing bearings suppliers do? As if I really can not think of a few in mind. The reason is that domestic society, trust between the poor, such as in a variety of exposure when 315 party, let one of us do not worry their own people, how can we talk about development it? In addition to vigorously promote and wantonly produced outside. A domestic companies should fulfill their responsibility to not only development, but also requires practice true. Only such a business is what we need, is the world needs in order to make domestic bearings are also well-known overseas, overseas sales

Bearing heater in which the application of the device

  Taper bearing  heater in the bearing manufacturing enterprises is a very common device, we have to resolve bearing heater What are the main component parts.
Bearing heater called bearing induction heater, induction heater, induction heater is a heating tool. Heating element and platform integration, safe, reliable, easy to use. Mainly used for bearings, gears, bushings, bushings, diameter rings, pulleys, contractile ring, connectors and other types of metal parts for heating, bearing heater by heating the expansion, reaching interference fit needs. Features include: Quick Setup tablet temperature, alarm temperature, real-time temperature display, automatic over-temperature protection, automatic thermal insulation.
Horizontal high-power induction heater is improved on the basis of a new product. With other products than to have a more convenient, saving time, effort, energy saving features, and the control system as a whole in the form with the host, nice, time, temperature, heating the workpiece on a small car, pulling back and forth, other than domestic heater superior.
Bearing heater applications for processing and the production process is the bearing has an important role in our industry for its internal staff should understand this and we are also closely related to the production of bearings.

fag bearing characteristics analysis

 (1) fag main bearing side positioning. With the use of the main bearing fag fag main bearing cap tight fit between the sides, maintaining both a good move relative to the mounting location. The transition between the two commonly used with (for fag main bearing cap size small) or clearance fit (for the main bearing cap fag larger size). In order to improve the overall rigidity body structure, the use of lateral positioning, you can also set the horizontal pull bolt structure, ie laterally along the body from the side of the main bearing fag position with horizontal pull bolt it together with the body. fag main bearing cap side positioning features are: simple structure, reliable positioning, but assembly and disassembly difficult. (2) positioning cylinder. In the main bearing fag junction surface with the cover, with the cylindrical surface of the part, it simultaneously with the main bearing, covered closely with the positioning holes to prevent the mounting position between the lateral displacement. The cylindrical parts can be made ​​of a single r alone positioning sleeve can also be directly in the fag main bearing bolts on the processing of a positioning cylinder. The positioning of the features are: positioning reliable, easy accessibility, but bear the load capacity is small, especially when using the bolt, so that the main bearing bolts force conditions worsen (to withstand shear forces), and the positioning process requires high TL . (3) positioning the serrations. The fag main Roller bearing and cap combination of surface machined serrated positioning surface, two joint surface serrated bite each other closely together in order to maintain both wrong mounting position shift does not occur. The positioning structure is characterized; locate reliable, easy assembly and disassembly, but the structure is more complex, high precision tooth surface, processing difficulties.
Shanghai FAG Bearings | FAG Bearings Shanghai Agents | Germany FAG Bearings | FAG distributor in Shanghai | Shanghai FAG Bearings | FAG Bearings Shanghai total generation | Shanghai deep groove ball bearings |

Zwz bearing grease requirements and impact on

  ZWZ bearing lubrication for the purpose is to avoid direct contact between the Slewing bearing parts, to avoid temperature rises, reducing wear and rust. Choose grease should consider factors are: Bearing rotation, bearing load, operating temperature, the working environment and bearing installation status. Is the choice of grease or oil lubrication, depending on the bearing type. Even with the grease, as a result of different temperatures, are also different types of grease.
Lubricants divided into three categories according to their different shapes: oil, grease and solid lubricants. Special lubricants are mineral oil, vegetable oil, synthetic oil, the main quality indicator is viscosity, viscosity index, pour point, acid value, flash point, and other impurities. Dead grease lubricants and additives in the mixture under high temperature, can be classified into calcium-based grease, sodium grease, sodium calcium based grease, lithium grease, aluminum and molybdenum disulfide grease grease, etc. its quality indicators have cone penetration, dropping point, mechanical safety, oxidation stability, corrosion resistance and so on.

The importance of the automobile automotive bearings, automotive bearings role description

  Automotive bearings are machine parts, to meet the same machinery in a variety of small [regulatory conditions that collapse, making the car bearing specifications gain many types and varieties, wooden house will introduce radial ball bearings and rolling automobile automotive bearings, thrust ball car power roller bearings and automotive bearings report, the combination of automotive bearings and linear motion Roller bearing automotive bearings and joints most basic and commonly used in automotive bearing structure, basic performance and applications. For the special conditions for the special structure of automotive bearings, you can find relevant information.
Deep groove ball bearing car - like using twenty riveting steel punch than the cage, known as wave-shaped cage, but the physical size or speed is used only cage, this cage to punch the ball over the same cage boot, high-speed deep groove ball shaft cage usually seek inner or outer edge guide Ae wrestling
Spoon the same size compared to other types of automotive bearings, deep groove ball bearings seeking friction, vibration and lower noise spoon, extreme high speed, high precision, however. The impact of intolerance, not suited to withstand heavy loads.
Deep groove ball bearing structure is simple car, easy to use, full miscarriage batch largest butterfly Fan RI should widest class automotive bearings, widely used in steam afternoon, tractors, machine tools, and Pakistan machines, pumps, agricultural machinery, textile machinery, etc. Once its wide field of automotive bearings production accounted for 60% of a 70%. I have the most to yield sufficient Gang, the most common and cheapest one day car bearings.

Comprehensive inspection of the bearing quality testing

  Finished products Crossed tapered roller bearing quality testing methods and requirements involves a broader, this chapter will be finished bearing common quality requirements, clearance requirements, size and rotation precision quality testing for quality requirements set forth. In addition, the bearing test equipment used to make some brief.
Bearing in finished products and parts for inspection, testing should follow certain rules. Rules include how sampling, testing project which is a major project, which is a secondary project, check the level and the acceptance quality limit and so on. Inspection rules can be generic requirements, it can be self-bearing manufacturer's requirements, but not below industry standards. This chapter only bearing product testing principles, methods will be described.
Residual magnetic bearings on bearing life has a great influence. A residual magnetic bearing, is not easy to remain in the bearing surface of the metal wood cleansed, and even some equipment at work iron generated in the end, may also be adsorbed on the working surface of the bearing, this will accelerate the bearing wear, thereby reducing its life.

skf bearing automotive water pump bearing

Use conventional shaft Roller bearing steel (including shafts, outer ring, Ball & Roller) high carbon chromium bearing steel (GCr15). Because high-quality bearing steel smelting by vacuum deoxidation, electromagnetic stirring, oxide content is less, the contact pressure can withstand greater stress while the hypervariable withstand greater tensile stress by heat treatment, the hardness of the shaft raceway to 58-62HRC. Department raceway hardness of 60-64HRC, ball and roller hardness is 61-65HRC. When the shaft, outer carburizing bearing steel, the raceway hardness of 60-64HRC. Cage material usually used reinforced nylon 66, a ring of material generally use NBR, when asked high, can also be used Viton seals. Automotive water pump bearing

[1] clearance: manufacture conventional shaft bearing radial clearance clearance basis: in the absence of specific requirements, the no-load case, radial clearance is 15-35um, reasonable choice of the outer ring and the user sit hole with the amount of interference is very important, too large amount of interference causes the bearing radial clearance dropped, and damage the bearing, so that the pump does not work, practical work, in addition to the above reasons, but also need Taking into account the temperature rise caused by thermal expansion decreases the amount of clearance.

Domestic bearing foundry industry tends to high-end

 Our machinery casting industry in good shape, with the automotive, aerospace, medical and other industries to flourish, to the domestic machinery casting industry to provide a broad development platform, mechanical foundry industry forward in the traditional market stability department actively explore new markets simultaneously. Contemporary Chinese machinery foundry industry is moving high product quality and reduce manufacturing costs of the development direction.
China's stainless steel tools, hardware requirements increase, along with the rising status of China's economy and the continuous development of China's hardware industry, China's hardware products is also increasing exports to other countries, the increase in overseas demand directly stimulating our domestic foundry products increase in production. At present, China has constituted a metal bearing greater economies of scale, but because of the mode of development, industrial structure, innovation and brand building to enhance other aspects of stimulating domestic demand, will drive strong radiation effect large precision bearings and other basic mechanical casting industry as "Twelve Five-Year" development of key industries, and strive to reach or approach international advanced level.
Policy support is expected that by 2015, sales of high-end bearings foundry industry reached 222 billion yuan or so. Domestic high-end backing bearings foundry industry of high-end equipment entrusted with an important mission localization challenges, and taking into account scientific and technological excellence in research and development axes, casting and innovation, I believe the future will be able to prop up China's major equipment localization task.
In the five-year plan under the guidance of our high-end bearings foundry industry has developed industry development plan. Developed the project and export two carriages to boost domestic mold industry development policy. In rail transportation, medical equipment, new energy, aerospace, automotive lightweight, rail transportation and other fields development, driven by China's bearing foundry industry was significantly improved. Bearing foundry industry forward in the traditional market stabilization unit while actively explore new markets, even in the past ignored the edge of the market has also been developed, these factors make the mold market development with remarkable results.
The focus of global manufacturing shift to China for the Chinese bearing foundry industry provides a powerful driving force, but also on the domestic high-end manufacturer of bearings made increasing demands. Contemporary Chinese bearing casting industry must focus on improving product quality and reduce manufacturing costs, from the "big" to "strong" strategic change.

The hardness of the bearing important it? Rolling hardness Introduction

 The hardness of the Roller bearing detection criteria is a measure of the bearing, the bearing line, every process is very important, bearing production process of each step is very important,
Hardness is an important indicator of Lin bearing, which contact with the material fatigue strength, wear resistance even, elastic limit close relationship with the first, moving from the indirect effect of treatment on the right bearing sweet, soft he bearing of usually bear the load according to the shade manner and size of bearing size and wall thickness of the overall circumstances. Scroll material hardness N Unite Steel fierce appropriate, extraordinary or too small will affect the bearing life is well known, bearing failure modes azelaic to mouth contact with fatigue damage and wear parts 6l in poor or J44 Li Jiao stable precision bearings loss; bearing parts such as Xing lack a certain toughness, compared with people rushing in demand accounted for by the Dutch when will cut hair at first glance due to brittle fracture caused by bearing damage: So, according to the specific circumstances of the bearing and destruction way to determine the bearing hardness in the brake down due to fatigue or wear errands bearings precision bearings good losses of the military member should choose a higher hardness; impulse withstand greater loads on the bearings (such as rolling bearings, railway axis Qi Chinese automotive bearings, etc.) should when forced to reduce the hardness to improve the toughness of the bearing is divided necessary.
In order to stabilize the orbital motion of the cage, bearing rings should be adopted to guide the way and give attention to the guide surface sufficiently lubricated, high-speed conditions of the tapered roller bearing structure given improvements that will guide roller into the L-shaped cage Z-ring ribs guide cage.

The hardness of the bearing important it? Rolling hardness Introduction

   The hardness of the bearing detection criteria is a measure of the bearing, the bearing line, every process is very important, bearing production process of each step is very important,
Hardness is an important indicator of Lin Roller bearing, which contact with the material fatigue strength, wear resistance even, elastic limit close relationship with the first, moving from the indirect effect of treatment on the right bearing sweet, soft he bearing of usually bear the load according to the shade manner and size of bearing size and wall thickness of the overall circumstances. Scroll material hardness N Unite Steel fierce appropriate, extraordinary or too small will affect the bearing life is well known, bearing failure modes azelaic to mouth contact with fatigue damage and wear parts 6l in poor or J44 Li Jiao stable precision bearings loss; bearing parts such as Xing lack a certain toughness, compared with people rushing in demand accounted for by the Dutch when will cut hair at first glance due to brittle fracture caused by bearing damage: So, according to the specific circumstances of the bearing and destruction way to determine the bearing hardness in the brake down due to fatigue or wear errands bearings precision bearings good losses of the military member should choose a higher hardness; impulse withstand greater loads on the bearings (such as rolling bearings, railway axis Qi Chinese automotive bearings, etc.) should when forced to reduce the hardness to improve the toughness of the bearing is divided necessary.
In order to stabilize the orbital motion of the cage, bearing rings should be adopted to guide the way and give attention to the guide surface sufficiently lubricated, high-speed conditions of the tapered roller bearing structure given improvements that will guide roller into the L-shaped cage Z-ring ribs guide cage.

Bearing lubrication instructions for installation and initial

Roller bearing Installation
     All premature bearing failure, about 16% is due to improper installation or use proper installation techniques caused. For proper and efficient bearing installation, different applications may require the use of mechanical, hydraulic or heating method. Choose appropriate for your specific application installation methods to assemble the bearings will help extend bearing life and reduce premature failure of the bearing, and the resulting damage and costs incurred.
     Small and medium-sized bearings typically use cold installation. Traditionally, a hammer and a length of the old pipe mounting bearings. This approach has the mounting force to pass by the rolling elements, will damage the bearing raceway. SKF installation tool only contact with the mounting surface of the bearing rings force to avoid damage to the bearings during installation.
     Before installation, high temperature oil bath heated bearings are commonly used methods. However, this method may contaminate the bearing, resulting in premature bearing failure. Now, the induction heating method has become the most common bearing heating technology, since this method has a high degree of controllability, high efficiency and high safety. SKF Bearing induction heater for the development of established standards. SKF Bearing induction heater has many features, when heated to prevent bearing damage.
     SKF pioneered the hydraulic technology for bearing installation, such as SKF oil injection method (SKF Oil Injection Method) and SKF hydraulic drive method (SKF Drive-up Method). These methods help simplify bearing arrangement, to facilitate proper installation. SKF has developed a full range of hydraulic tools and equipment series, in order to apply these hydraulic technology.
Initial lubrication of bearings
     Slewing bearing are pre-lubricated, the installation does not require additional lubrication. However, the use of all applications open bearings, these bearings must be lubricated after installation. For your application choose the right bearing grease is to maximize bearing life is a critical step. SKF offers thirteen different grades of bearing grease specially developed by the SKF, for most bearing applications

Operations research report bearing industry outlook

Through the "2012-2016 China Bearing Industry analysis and investment prospects operational status report", the production enterprises and investment institutions will fully understand the product market, raw material supply, sales, market supply and demand, effective customers, potential customers and other detailed information for the study competitors, market positioning, product features, product pricing, marketing mode, marketing network and enterprise development to provide a scientific basis for decision making.
    Slewing bearing all kinds of mechanical and electrical products as an important support and maintenance of machine parts, with friction is small, easy to start, acceleration fast, compact, "three" (standardization, serialization, universal) level is high, adapt to the modern age mechanical requirements of the work performance, long life and easy maintenance features, its performance level, quality and performance of the precision of the host has a direct impact, are widely used in various fields of national economy.
    Bearings are our strategic focus on the development of basic industries, after sixty years of development, China's bearing industry already has a strong technical strength and large production capacity. "Eleventh Five-Year" period, China's bearing industry maintained steady and rapid development momentum, the main business income of an average annual increase of 18.20 percent, an average annual increase bearing 20.11% yield. Bearing industry has made great progress, for the completion of bearing power to lay a solid foundation.
    Since the second half of 2011, subject to national policy from the past "growth" in order to clear the "structural adjustment" as the main orientation of the transition, the hosting industry product development by the high level of growth into the escalating impact, coupled with the the international debt crisis in the Euro zone, especially since in August, exports for three consecutive months of decline. The combined effect of the situation at home and abroad, the bearing industry's economic emergence of the changes from high to low, but due to the rapid development of the first half of 2011 the industry remains a steady YoY growth.
    January-March 2012, bearing manufacturing sales revenue totaled 45,405,300,000 yuan, an increase of 19.60%; bearing manufacturing profit amounted to 1.8812 billion yuan.
    "Twelve Five" period of China's bearing industry will continue steady growth, first of all, the bearings are expendable machine parts, in addition to new projects and new machinery will pull the bearing requirements, machinery products increased ownership and use of rate increase will increase the consumption of the bearing; Second, with the continuous development of our national economy, increasing automation, the host requires increasingly high, and thus the bearing performance and technical requirements are growing, new product after another, demand will continue to increase

Use and maintenance of automotive bearing knowledge

  Please note that the carrying vehicle use and maintenance summary: Automobile Roller bearing Rated serious accidents caused by overloading of the most serious security failure load restrictions directly caused by overloaded vehicles early care instructions do not affect the normal weight-bearing vehicle breakdowns regularly check whether the conditions laid abnormal noise requirements for rapid warming phenomenon is often quantified using the local part of the bearing shell and static hydraulic couplings
  Maintenance instructions for the use of vehicles:
  Vehicles must be working in the payload, IKO bearings if severe overloading causes early failure led directly to the bearing overload will lead to more serious problems and safety in road traffic accidents;
Authorize exceptions shocked lifts;
Regularly check the status of use, SKF 22320EJA/VA405 spherical roller bearings to see an unusual noise zone turnover and a rapid rise in local temperature phenomenon;
  The need for regular, SKF 238/1060CAMA/W20 Spherical roller bearings quantitative filling oil or grease;
Depending on traffic conditions at least every six months completely replace petroleum, and double-check;
  The bearing holding verification: in the kerosene or gasoline support to disassemble and clean, careful observation of sliding or creeping phenomenon, the bearing raceway, external or internal and external cylinder does not fall off, pitting, conditions, and to maintain the stock if worn and deformed check the bearing plane, to determine whether to continue use conditions.

On the technical level of China's bearing industry development status

 China's rapid economic development to further promote a large number of high-precision, high-reliability needs of the bearing, but also for the steady development of the bearing industry has laid a good foundation, to create unlimited business opportunities.
China's Slewing bearing industry development up to now, already have considerable production scale and high technical and quality standards. Bearing enterprises of a certain size has grown to more than 1,500 the number of employees grow to nearly 80 million people, bearing production from 13.8 million units in 1949 to the current more than 20 million units, bearing varieties from more than 100 cumulative increase to over 7000, up more than 28,000 specifications.
Nearly 10 years abroad, bearing well-known companies such as SKF, FAG, NSK, NBM, KOYO, TIMKEN, TORRINGTON successively in our investments and technology to China increased levels of bearing design, production technology and production management norms, the level of production equipment modernization, product quality and use of performance improvement has played a significant role in promoting.
At present, China's bearing production up to 20 million units, the output value has more than 200 million yuan, the annual export volume of over 770 million units, exports amounted to approximately $ 700 million, ranked No. 4, to meet the domestic requirements for over 70% of product variety, to meet the required number of 90%, exports are also increasing at a higher percentage

Explain bearing shaker Precautions

 Vibrating screen Slewing bearing are one of the main components, improper disassembly vibrating screen bearings, bearing may cause internal damage. Contaminants may enter or re-installation of the bearing may produce errors. Therefore, demolition vibrating screen bearings must be very careful, the axis must be properly supported, otherwise disassemble strength may hurt bearings. Here is our summary of the points of high service company for your reference.
1, the external demolition
Removing the interference fit of the outer ring, the circumference of the housing in advance several outer extrusion screw is provided with a screw, the screw tightened equally side. While removal. These usually cover the screw holes blind plug, shaker tapered roller bearings, etc. separable bearings, the housing block set shoulders several incisions, the use of pads, with press dismantling, demolition, or gently pounding.
2, shaker cylindrical bore Roller bearing removal
Removal of the inner ring can be used to pull the latest simple mechanical pressure. At this time, pay attention to your inner bear its pullout.
Large vibrating screen bearing inner ring removal by hydraulic method. By setting the hydraulic pressure to the shaft hole, to make easy to pull. Large width of the bearing is oil law and drawing fixtures and use, disassembly operations.
NU, NJ type cylindrical roller bearing inner ring disassembly shaker can use induction heating method. Local heating in a short time, after drawing the inner ring expansion method.
3, tapered bore bearing removal
Removal more compact adapter sleeve bearings, fastening the shaft stopper supporting inner ring, the nut back several times, using the pads with a hammer and beat demolished.

The bearing skf bearing mastery of knowledge and accumulation

Our knowledge of the bearing to learn when we must seriously study a variety of content bearing empty seats when we must pay attention to the system to learn, we have to understand what we need to know what are the problems?
1) Structural diagram of the control shaft seeking understanding Wanbaogou ball, angular contact ball backing bearings Self-aligning ball bearing requirements, cylindrical roller bearings, spherical roller bearings, needle roller bearings and tapered roller bearings for the radial bearings; vertebral alai bearings, reported in the Stainless steel slewing bearing, thrust needle roller bearings, angular contact ball bearings at force, thrust spherical roller bearings and thrust tapered roller bearings for the measures to force bearings.
2) Rolling foot size divided by diameter miniature bearings, miniature bearings, bearing small, medium and large bearings, large bearings and large the bearing; 3) Order of integrated linear motion into linear rolling female exercise our powers to ball bearings, linear motion rolling bearings, ball rail line motion supporting Taiwan, blind female line motion roller guide roller linear motion guide bearing summing five.
3) Bearing integrated into radial spherical plain bearing, angular contact bearings, thrust bearings and rod ends righteousness owned uranium bearing, in addition, you can also use is divided into general bearings and special bearings, special bearings according to the application of the host can be divided into automotive bearings, railway bearings, machine tool bearings, rolling mill bearings, motor bearings, etc., such as by the use of performance again divided into high-speed bearings, high temperature bearings, corrosion-resistant bearings, etc.

skf bearing fag bearing nsk bearing Compare

FAG and NSK are the world's most influential bearing manufacturers.
Ranked in the world are: the merger of the German FAG & INA, Sweden SKF, American TIMKEN, Japan NSK, Japan, NTN, Japan NMB.
Emphasis on INA needle roller bearings, linear motion, spherical
Emphasis on TIMKEN Taper bearing, special steel
NMB emphasis on miniature bearings (I have not heard of more than 10mm diameter NMB bearings)
SKF, FAG, NSK can produce all currently known bearing

skf bearing fag bearing nsk bearing Compare

FAG and NSK are the world's most influential bearing manufacturers.
Ranked in the world are: the merger of the German FAG & INA, Sweden SKF, American TIMKEN, Japan NSK, Japan, NTN, Japan NMB.
Emphasis on INA needle roller bearings, linear motion, spherical
Emphasis on TIMKEN Tapered roller, special steel
NMB emphasis on miniature Slewing bearing (I have not heard of more than 10mm diameter NMB bearings)
SKF, FAG, NSK can produce all currently known bearing

Bearing 2011 exceeded 200 million units annual capacity

   Initially mainly produce deep groove ball backing bearings  as the global economic development, bearing in the past 16 years has made great progress, the annual production capacity showing rapid growth from 200 million units in 2010 increased to 2011 of 250 million sets.

2004, "F & D" brand. With the F & D development and growth, the brand has been promoted to become the industry's leading bearing brand, its products are sold in more than 30 countries. In order to adapt to the needs of the global market, Fuda Bearing expand the product range. In 2007, the company began to engage in spherical bearings and tapered roller bearing production. 2010, "Zhejiang Fuda Bearing Co., Ltd." to "Fuda Bearing Group Co., Ltd", the drive to become a leader in the future.

Bearings are also manufacturers exporters, 80% of domestic sales of its products, exports accounted for 20%. 2011 annual sales of $ 90 million and employs 2,500 people. Fuda Bearing always carry out the implementation of TQM (Total Quality Management) production process. Companies are large-scale use of automated production lines, and constantly high quality high-end products to meet the needs of the global market.

At present, the main products are deep groove ball bearing bearings: diameter from 5-120mm; spherical bearings: diameter from 10-90mm; Tapered Roller Bearings: diameter 15-60mm, Product applications include automotive motors, air conditioning motors, industrial sewing motor , textile machinery, power tools, pumps, washing machine motor, vacuum cleaner motor as well as other general motors.

Three long bearing 29 debut 2012 Sixth China pump and motor show

  January 29 to 31, long-Bearing Co., Ltd. Hangzhou in Zhejiang Wenling will participate in the 2012 Convention and Exhibition Center Sixth China pump and motor exhibition, booth number C53, welcome customers all walks of life, then come to visit exchanges.

Roller bearing Co., Ltd. Hangzhou three years for the Japanese Seiko NSK authorized agent, agent products are: NSK full range of bearings, linear guides, ball screws, ball bearings, ball screw support units, nuts, grease, seals, stainless steel bearings, one-way bearings, spherical bearings, automotive bearings, bearing, needle roller bearings, linear bearings and so on.

2012 Sixth China pump and motor show, is the State Administration for Industry and approved by the China Machinery and Electronic Products Import and Export Chamber of Commerce, Wenling Municipal People's Government jointly organized the GuoZiHao pump and motor products professional exhibitions. Wenling City since 2006 founded China pump and motor exhibitions since, after five years of careful cultivation, 2011 officially upgraded to GuoZiHao exhibition. Five years, the event attracted 1,637 exhibiting companies nationwide, domestic 80,000 spectators, 18 countries, 225 foreign visits foreign procurement, site turnover of 448 million yuan, the intention to reach 1.14 billion yuan contract.