Evaluation of Lubricants for High-Temperature Ball Bearing Applications

[+] Author and Article Information
R. J. Parker, E. V. Zaretsky

NASA-Lewis Research Center, Cleveland, Ohio

E. N. Bamberger

General Electric Co., Cincinnati, Ohio

J. of Lubrication Tech 90(1), 106-112 (Jan 01, 1968) (7 pages) doi:10.1115/1.3601524 History: Received July 11, 1967; Online August 23, 2011


Several lubricants that are considered candidates for ball bearing applications in the temperature range of 500 to 700 deg F were investigated in full-scale ball bearings and in a rolling-contact fatigue rig. Bearing endurance tests indicate that a synthetic paraffinic oil with an antiwear additive can perform beyond catalog rating at temperatures up to 600 deg F in a low oxygen environment. In a rolling-contact fatigue tester, this synthetic paraffinic oil exhibited at least twice the fatigue life at the 10 percent level of a fluorocarbon and a polyphenyl ether. Based on bearing race groove appearance, elasto-hydrodynamic lubrication was apparent at outer-race temperatures up to 700 deg F.

Copyright © 1968 by ASME
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