The Effect of Misalignment on the Life of High Speed Cylindrical Roller Bearings

[+] Author and Article Information
J. Y. Liu

Research Laboratory, SKF Industries, Inc., King of Prussia, Pa.

J. of Lubrication Tech 93(1), 60-68 (Jan 01, 1971) (9 pages) doi:10.1115/1.3451535 History: Received March 10, 1970; Online October 18, 2010


This paper describes an analytical investigation of the effects of misalignment and shaft speed on cylindrical roller bearing performance. Numerical results are presented for the contact load distributions and bearing fatigue lives under various amounts of misalignment for an NU308-type bearing operating under the load and speed conditions of a mainshaft bearing or a gearbox bearing in a helicopter gas turbine engine. The analysis is of use in bearing selection and in comparing different bearing designs for specific applications.

Copyright © 1971 by ASME
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