RESEARCH PAPERS: Gas Turbines: Vehicular

Predicting Steady-State Temperature, Life, Skid, and Film Thickness in a Greased Preloaded Hybrid Ball Bearing

[+] Author and Article Information
J. V. Poplawski

J. V. Poplawski & Assoc., Bethlehem, PA 18017

D. R. Atwell, M. J. Lubas, V. Odessky

General Dynamics Corporation, Groton, CT 06340; Avenel, NJ 07001

J. Eng. Gas Turbines Power 118(2), 443-448 (Apr 01, 1996) (6 pages) doi:10.1115/1.2816609 History: Received March 10, 1995; Online November 19, 2007


This paper describes the use of the SHABERTH computer program supplemented with experimental temperature and skid data to quantify steady-state bearing operation. Parametric studies on ball diameter and number, contact angle, curvature, grease type, and preload are presented with their influence on contact stress, fatigue life, skid load, film thickness, and inner and outer race temperatures. These results are compared for a steel versus hybrid bearing set in a DB and DFSL mounting. The method presented can be applied to the design of other steel and hybrid ball thrust bearing systems.

Copyright © 1996 by The American Society of Mechanical Engineers
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