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Abstract
An analytical and experimental analysis was conducted to determine the effects of surf ace finish on the elastohydrodynamic performance of a group of 168-mm bore diameter, gas turbine engine, main shaft ball bearings found to have discrepant outer raceway surface finishes. The fatigue life determined during component test was found, to be significantly less than the life of similar bearings with proper finishes and considerably less than predicted by available analytical methods. As a result of test and analysis, engines having suspect bearings were successfully retrofitted to preclude the possibility of premature bearing failures.
Presented at the 33rd Annual Meeting in Dearborn, Michigan, April 17–20, 1978
Notes
Presented at the 33rd Annual Meeting in Dearborn, Michigan, April 17–20, 1978