显示标签为“tapered bearin”的博文。显示所有博文
显示标签为“tapered bearin”的博文。显示所有博文

2013年7月30日星期二

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.

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

2013年7月23日星期二

Supply roller bearings NUTR4090 main structure


Structural features 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 tapered bearin the eccentric, full type
One, without axial guidance
Structural features bearing code
RSTO no outer wall, a cage, curved rolling surface
RSTO .. ​​X sealed, no inner cylindrical roller surface
STO no outer wall, a cage, curved rolling surface
STO .. ​​X double sealed, no inner cylindrical roller surface
RNA22 .. 2RS outer pairs of ribs, with cage, curved rolling surface
RNA22 .. 2RS X double sealed inner cylindrical rolling surface
NA22 .. 2RS outer pairs of ribs, with roll cage curved surfaces
NA22 .. 2RS X double sealed inner cylindrical rolling surface
Two, with axial guidance
Structural features bearing code
NATR the cage with curved inner surface or cylindrical roller rolling surface
NATR .. PP has a cage inner curved surface or cylindrical roller rolling surface
NATV full complement needle roller surface or a curved inner surface of the cylindrical roller
NATV .. PP full complement needle roller surface or a curved inner surface of the cylindrical roller
NUTR full complement cylindrical roller rolling with curved inner surface
NUTR .. X full complement cylindrical roller with an inner ring cylindrical roller
Type
Number
(Mm) sealed cylindrical outer CF5 CF6 CF8 CF10 CF10-1 CF12 CF12-1 CF16 CF18 CF20 CF20-1 CF24 CF24-1 CF30 CF30-1 CF30-2
Spherical outer CF5R CF6R CF8R CF10R CF10-1R CF12R CF12-1R CF16R CF18R CF20R CF20-1R CF24R CF24-1R CF30R CF30-1R CF30-2R
A sealed cylindrical outer CF
5UU CF
6UU CF
8UU CF
10UU CF
10-1UU CF
12UU CF
12-1UU CF
16UU CF
18UU CF
20UU CF
20-1UU CF
24UU CF
24-1UU CF
30UU CF
30-1UU CF
30-2UU
Spherical outer CF
5UUR CF
6UUR CF
8UUR CF
10UUR CF 10-1UUR CF
12UUR CF 12-1UUR CF
16UUR CF
18UUR CF
20UUR CF 20-1UUR CF
24UUR CF 24-1UUR CF
30UUR CF 30-1UUR CF 30-2UUR

Curve of the wheel bolts as part of the raceway is hardened. To avoid stress concentration, thick-walled outer roller surface arc-shaped out of the loop. Curve with two rollers single and double seals, without seals, with seal ring a variety of models. Grease a large space with a storage ring, providing permanent lubrication, and extended lubrication intervals. N220 or PTFE gasket material for its operating temperature ranges of -30 ° C to +100 ° C or -30 ° C to +180 ° C. Dense loading curve wheel it can withstand heavy loads, but the speed is low, and it must always be lubricated.
Supporting roller has thick-walled outer ring, take advantage of this outer ring, the wheel can roll in the raceway, and can withstand large loads. VG-bearing roller pressure roller, eccentric roller, roller rocker. Wheel diameter cylindrical or spherical. Spherical outer ring can make use of the tilt position when installing compensated.
RSTO and STO-bearing rollers
DF-Series RSTO type roller bearing without inner ring, roller bearing can be directly used as a raceway shaft quenching operation. STO-belt inner ring, with its inner and outer rings and needle roller cage assembly can be installed separately. As RSTO and STO-bearing roller ring without ribs and the end, the installation must have axial guidance, its guiding surface is at least precision lathe.

RNA22 ... 2RS, NA22 ... 2RS-bearing roller
This wheel diameter wheel with STO same series. They just slightly wider, double sealed structure makes no maintenance, use temperature range is -20 ℃ -120 ℃. Installed without inner ring RNA22 ... 2RS series of roller bearing should pay attention not to damage the seals. Outer boot needs to end.

NATR and NATR ... PP-bearing roller
NATR series of roller bearing includes an outer ring, inner ring, roller cage assembly and pressed into and fixed to the inner side of the ring. NATR ... PP series also additional sealing ring. The wheel bearing grease with a large storage space, long-term use without greasing.

NATV and NATV ... PP-bearing roller
NATV series of roller bearing roller with NATR series is basically the same, the only difference is NATV series full complement needle roller type. So it can withstand heavy loads at low speeds, but must pay attention to regular lubrication. NATV ... PP series with seal structure.

NUTR-bearing roller
NUTR series of roller bearing is double row full complement cylindrical roller bearings, the outer ring guided by the ribs. All parts are made of bearing outer ring pressed into the sealing cap to form a complete unit, the sealing cover and the thrust ring together form a highly efficient clearance seal. The wheel bearing can withstand very heavy loads, because the rolling elements with axial guidance, even at high speeds can also withstand the impact of axial loads.

Tolerance
DF-bearing roller curve wheel size, shape and rotation precision usually is P0 level. Diameter with a circular arc curve roller bearing roller diameter tolerance is 0/-0.05mm, NATR, NATV, NUTR bearing width tolerance h12, curve wheel stud diameter tolerance h7.

Adjustable Mind
Diameter cylindrical roller bearing with adjustable concentric small. At low load, it is about 3-4 ', in the medium to high load of 5-7'. With arc-shaped outer concentric bearing wheel adjustable 15-20 '. When a larger angle error, according to the size of the load there is significant edge stresses, it will reduce bearing life.

KR and KR ... PP curve roller
In KR, KR ... PP curve roller, there is a cage-guided needle roller and outer ring on the ring via a bolt axial guidance. For heavy loads and medium speed. Because there is more inside the bearing grease storage space, so lubrication intervals have been extended. KR ... PP curve roller is in contact with the seal structure. Using a temperature of -30 ℃ -100 ℃.

KR and KR ... PP curve roller
KRV and KRV ... PP curve roller KRV and KRV ... PP type curve rollers
KRV, KRV ... PP curve roller and KR, KR ... PP curve roller same structure, only that they are full complement needle roller bearings. They can withstand heavy loads and low speeds. And must always grease.

NUKR curve roller
This series curve roller is double row full complement cylindrical roller structure. Cylindrical roller bearings like the same with the outer ring axially guided by the rolling body pressed into the outer casing and the wall composed of high-level effect of the gap seal.
This curve can withstand particularly high wheel loads, as well as due to the axial roller guide can also withstand the impact of axial load.

KRE, KRE ... PP, KREV, KREV ... PP, NUKRE curve roller
All models are available with eccentric roller curve supply. The end face of the roller bolt grooves can be adjusted. The bolt face marked "HSB" Department said eccentric sleeve highest point. Grease both ends by bolts.