RESEARCH PAPERS: Lubrication Symposium Papers

Rating Life of a Linear Motion Assembly

[+] Author and Article Information
J. P. Hyer

SKF Industries, Inc., King of Prussia, Pa.

T. A. Harris

Analytical Services Department, SKF Industries, Inc., King of Prussia, Pa.

J. of Lubrication Tech 92(1), 34-38 (Jan 01, 1970) (5 pages) doi:10.1115/1.3451333 History: Received February 27, 1969; Online October 18, 2010


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.

Copyright © 1970 by ASME
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