What is Needle Roller Bearings

With thin and long needle bearing roller (roller length of 3 to 10 times the diameter, angular contact bearing the diameter of generally not more than 5mm), and therefore radial structure is compact, its diameter size and load capacity and other types of bearings, outer The minimum diameter, especially for radial bearing installation dimensions restricted structure of needle roller bearings according to different occasions, can be used without an inner ring of the bearing or needle roller and cage assembly, this time bearing mating journal surface and the housing bore directly on the surface as the inner and outer rolling surface of the bearing, in order to ensure load capacity and operating performance and have the same bearing rings, shaft or housing bore raceway surface hardness, machining accuracy and surface quality should be bearing rings. Uses a combination of roll needle bearing is a bearing unit to the heart needle roller bearings and thrust bearing components portfolio, its compact structure, small size, high precision rotation, can withstand high radial load at the same time bear certain axial load. And product structure forms, wide adaptability, easy to install. Combined needle roller bearings are widely used in machine tools, metallurgical machinery, textile machinery and printing machinery and other machinery and equipment, and mechanical system design allows very compact and nimble.

Installation Backing bearings

When assembling the joint bearing series, it is necessary to pay special attention to the location of the outer surface of the split. Consistent with a direct role in order to avoid the cut surfaces, the need to maintain the dividing surface at right angles to the direction of compliance. Backing Bearings When the applied load and the speed of the swing movement generated by the very hour, Backing bearings to the oil-type spherical plain bearings can operate without lubrication conditions. Nevertheless, under normal circumstances have to be jacked up to add grease. Operation during the initial installation, tapered bearing manufacturer is recommended lubrication intervals should be moderately reduced. Circumstances non-oil type joints lubricated bearings can no longer use the following. However, if before the operation adding lithium soap grease, use the term joint bearing stresses may be more prolonged. If injected into the space around the bearing grease, Backing bearings joints will be more effective protective dust and foreign matter intrusion.

Cylindrical roller bearing and improve market competitiveness

In recent years, Cylindrical roller bearing Co. seize the rapid development of China's auto industry brings opportunities bearings, vigorously develop large size heavy-duty vehicle bearing products, double row cylindrical roller bearing while improving production technology and innovation to enhance the level of manufacturing equipment, and achieved significant results. The company has always attached great importance to the development of innovative new products and processes, and to accelerate and promote the transformation of scientific and technological achievements. Especially since the company with its provincial technology development center through the acceptance of an opportunity to give full play to the advantages of hardware and software, and promote product development and process innovation. At the same time, the company implemented the project contracting for new product development and process innovation, introduced a related incentives. In addition, Taper bearing the company has invested several million dollars in funding for research and development every year, Cylindrical roller bearing industry and regularly invite well-known experts and professors of the technical staff training, to ensure that at least a month to develop a 1 to 2 new products or improve a process . In 2004, the company's technical staff developed a total of 22 new products, process improvements more than 10, and all put into production and use, LYSN bearings the output value of nearly 30 million yuan, cost more than 200 million yuan, profits and taxes over 400 million. Cylindrical roller bearing transformation Yimeng Bearing Company is also often caught a heavy work. In recent years, the company under the tight financial situation, tapered bearing has raised millions of dollars for upgrading production equipment. Which the company implemented throw "grinding production line reconstruction project" a total investment of nearly 20 million yuan, the purchase of six of the most advanced production line grinding bearing rings. The company has invested more than 400 million purchase of dozens of technologically advanced, high-precision machining and automation level of CNC lathes, grinders equipment. According to the National Development Plan and the automotive industry in Shandong province, combined with the company's actual total investment of 160 million yuan of escalation "to expand the production capacity of the bearing transformation projects" will be implemented this year. The implementation of these technology projects to improve the Yimeng bearing the company's processing capacity and quality assurance capabilities, and enhance the competitiveness of the market.

Backing bearings priority development sectors

Backing bearings for its excellent reputation for quality and the bird, and has become the backbone of large enterprises bearing manufacturer named products ordered, thereby increasing product visibility, stable domestic market share. Third, to achieve a specialized production. angular contact bearing  the bearing production the field of Zhejiang Province, middle, inside and outside the ferrule, roller, cage, seals and other accessories are to achieve a specialization production, to create the conditions for continuously improve product quality, reduce production costs. Four is the targeting the international market. In expanding the domestic market, Cylindrical roller bearing to enter the international market, has always endeavors bearing manufacturing enterprises in Zhejiang Province. Now Backing bearings produced about half of exports to the US and Southeast Asian countries and regions. Backing bearings for precision, performance, longevity and species diversity have become increasingly demanding, no longer satisfied the requirements for general use bearings, steering for high precision, low noise, long life product demand.

Such is mainly used for needle roller bearings

Roller bearings are mainly radial cylindrical roller, double row spherical roller, tapered roller and thrust roller and structure type.
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Roller Bearings

Cylindrical roller bearings
Such roller is mainly used for cylindrical roller bearings, roller assemblies can also be used directly for machinery. This class roller has been standardized in size, can be used as commodities roller for design and user choice. [1]
Long cylindrical roller backing bearings
This class roller shaft divided in two with and without shaft, mainly for long cylindrical roller bearings, roller assemblies can also be used directly for machinery.
Needle roller Stainless steel slewing bearing
Such is mainly used for needle roller bearings, needle bearing universal joints and thrust needle roller bearings, needle roller assembly can also be used directly for machinery. This class roller has been serialized in size for the design choices. Bearing structure according to the needs of both ends of the needle shape of cone-shaped head, flat head shape, round shape.
Tapered Roller Bearings
A circular truncated cone, the cone angle is typically 1 ° ~ 4 ° 20 ', is also less than 1 ° or greater than 4 ° 20', mostly 2 °. Roller length is generally not more than twice the diameter of the large end rollers. Such rollers are used for tapered roller bearings, roller large cone angle is basically used for thrust tapered roller bearings.
Spherical roller bearings
Roller raceway spherical shape. With this roller bearings with self-aligning properties, can withstand large loads. Spherical roller of asymmetric and symmetric shape, generally large end asymmetrical spherical, symmetrical both end faces of the flat face. Symmetrical spherical roller better performance, rather than the symmetrical form for elimination. Such roller for spherical roller bearings and spherical roller thrust bearings.