Dynamics of Rolling-Element Bearings—Part I: Cylindrical Roller Bearing Analysis

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

Mechanical Technology Incorporated, Latham, N. Y. 12110

J. of Lubrication Tech 101(3), 293-302 (Jul 01, 1979) (10 pages) doi:10.1115/1.3453357 History: Received December 16, 1977; Revised May 16, 1978; Online October 20, 2010


An analytical formulation for the roller motion in a cylindrical roller bearing is presented in terms of the classical differential equations of motion. Roller-race interaction is analyzed in detail and the resulting normal force and moment vectors are determined. Elastohydrodynamic traction models are considered in determining the roller-race tractive forces and moments. Formulation for the roller end and race flange interaction during skewing of the roller is also considered. Roller-cage interactions are assumed to be either hydrodynamic or fully metallic. Simple relationships are used to determine the churning and drag losses.

Copyright © 1979 by ASME
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