On the Geometrical Imperfections in Ball Bearings

[+] Author and Article Information
P. K. Gupta

PKG Inc, Clifton Park, New York 12065

J. Tribol 110(1), 19-25 (Jan 01, 1988) (7 pages) doi:10.1115/1.3261567 History: Received February 06, 1987; Online October 29, 2009


Computer simulations of dynamic bearing performance, as obtained by the computer code ADORE, are used to develop correlations between key performance parameters and geometrical imperfections in both oil and solid lubricated ball bearings. The influence of race out-of-roundness, variation in groove curvatures and the variation in ball size, is modeled in terms of the effects on bearing life, heat generation and cage stability characteristics. The results demonstate the significance of the computer modeling approach to optimization of geometrical tolerances in practical bearing design.

Copyright © 1988 by ASME
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