Rolling bearings. Linear motion rolling bearings

2015 ◽  
Keyword(s):  
Linear Motion ◽  
Rolling Bearings

Rating Life of a Linear Motion Assembly

1970 ◽  
Vol 92 (1) ◽  
pp. 34-38
Author(s):  
J. P. Hyer ◽  
T. A. Harris
Keyword(s):  
Fatigue Life ◽  
Rolling Bearing ◽  
Linear Motion ◽  
Rolling Bearings ◽  
Dynamic Capacity ◽  
Load Carrying ◽  
Analytical Development ◽  
Conventional Rolling

The linear motion assembly is a type of rolling bearing used to support and guide a translating member along a round shaftway. The load-carrying adequacy of this bearing for a given application is evaluated in the same way as for conventional rolling bearings by determining a statistical fatigue life. This paper presents an analytical development of the equations for dynamic capacity from which fatigue life can be calculated. Contact deflection and the effects of preload are also examined.

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