Debris Damage in Rolling Bearings and Its Effects on Fatigue Life

[+] Author and Article Information
R. S. Sayles

Tribology Section, Department of Mechanical Engineering, Imperial College, London, UK

E. Ioannides

SKF Engineering and Research Centre B. V., 3430 DT Nieuwegein, The Netherlands

J. Tribol 110(1), 26-31 (Jan 01, 1988) (6 pages) doi:10.1115/1.3261569 History: Received March 08, 1987; Online October 29, 2009


Predictions of fatigue life from debris indented roller bearings are calculated by the methods described by Webster, Ioannides, and Sayles [9] and presented as a comparison to the actual fatigue history of the bearings. Research is also presented on the influence of debris type and geometry in relation to the formation of dents within nonconforming contacts. In particular, the concept of elastic conformity around entrained debris is studied in detail and it is shown that a critical debris aspect ratio may well exist which defines a boundary between debris that can damage the contact surfaces, and that which cannot.

Copyright © 1988 by ASME
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