Date: 2013-08-20

How to qualify the TIMKEN bearing location selection principles

Most axis double support structure, the radial position of the shaft supported by two common qualifying, each supporting offices have been centripetal or radial location effect of angular contact ball bearings. Axial position can be supported by two limit the axial displacement of one direction, or by an axial displacement of the bearing restrictions in both directions, in normal circumstances, different running accuracy of the shaft to the positioning can be different. Therefore, when designing a support structure should be based on the running accuracy of the shaft and work conditions, select axis to locate the specific programmes.
1) TIMKEN bearings ring relative to the load's status relative to the load direction is rotating or swinging rings, you should choose an interference fit or transition fit. Fixed relative to the direction of load rings should select a clearance fit. When inseparable bearing walk when supported, it should be fixed relative to the direction of load rings as swimming rings, select a clearance fit or transition fit.
2) type and size of load when when subjected to impact loads or heavy loads, generally lighter than normal, you should choose load when closer cooperation. For radial spherical plain bearings, load sizes to equivalent dynamic radial load Pr divided compared with the radial dynamic load rating Cr. Large load, combined with larger interference.
3) TIMKEN bearing size with increasing bearing size, select an interference fit its large interference; a clearance fit its large gap.
4) TIMKEN bearing clearance interference would lead to reduced bearing clearance, clearance of the bearing should be tested after installation meets the requirements for correct selection of tie and bearing clearance.
5) other factors influence of shaft and housing materials, external, strength and thermal conductivity and thermal conductivity of heat generated in the TIMKEN bearing and its ways, supporting installation and tuning performance, affect the selection of fit.

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Hot Products:

Product Model	Inside Diameter	Outside Diameter	Thickness
RLM2525 NSK	25	32	25
RLM2520 NSK	25	32	20

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