Investigation Of Friction, Wear And Failure In Aerospace Bearings

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Report Number: AFFDL TR 66-75
Author(s): Staph, H. E., Ku, P. M.
Corporate Author(s): Southwest Research Inst San Antonio TX
Laboratory: Air Force Flight Dynamics Laboratory
Date of Publication: 1966-07
Pages: 64
Contract: AF 33)615)-1859
DoD Project: None Given
Identifier: AD0802110

Operation of a facility for measuring cage and inner race temperatures of lightly-loaded 20-mm angular-contact ball bearings at high speed and vacuum is described. Results of tests on 440C ball bearings with MoS2-epoxy compact cages at 300 F and with Niresist cages coated with MoS2-graphite-sodium silicate solid film at 600 F are given. The latter bearings, for the short (about 1 hour) test time, ran smoother and with less raceway damage than did the bearings with the epoxy-MoS2 cages.

Provenance: Lockheed Martin Missiles & Fire Control

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