Ball Motion and Sliding Friction in an Arched Outer Race Ball Bearing

[+] Author and Article Information
B. J. Hamrock

Lewis Research Center, Cleveland, Ohio

J. of Lubrication Tech 97(2), 202-210 (Apr 01, 1975) (9 pages) doi:10.1115/1.3452555 History: Received May 17, 1974; Online October 18, 2010


The motion of the ball and sliding friction in an arched outer-race ball bearing under thrust load is determined. Fatigue life evaluations were made. The analysis is applied to a 150 millimeter bore ball bearing. The results indicated that for high speed-light load applications the arched bearing has significant improvement in fatigue life over that of a conventional bearing. An arching of 0.254 mm (0.01 in.) was found to be an optimal. For an arched bearing it was also found that a considerable amount of spinning occurs at the outer race contacts.

Copyright © 1975 by ASME
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