The Effect of Cross-Sectional Geometry on the Life of Ball Bearings—An Experimental Investigation

[+] Author and Article Information
R. K. Kepple

New Departure–Hyatt Bearings Div., General Motors Corp., Sandusky, Ohio

R. L. Mattson

Vehicle Research Dept., Research Laboratories, General Motors Corp., Warren, Mich.

J. of Lubrication Tech 94(2), 112-116 (Apr 01, 1972) (5 pages) doi:10.1115/1.3451644 History: Received May 07, 1971; Online October 18, 2010


The effect of ball bearing cross-sectional geometry (ring stiffness) on spalling fatigue life of bearings under heavy radial load was investigated experimentally. For a circular undercut design, the particular case tried, the fatigue life was significantly increased, supporting the proposal that an “undercut” below the raceway is desirable. Static load tests showed that force oscillations are reduced in the more flexible bearing. Hence bearing-induced vibrations should be reduced.

Copyright © 1972 by ASME
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