Operating characteristics of a high-speed, jet-lubricated 35-millimeter-bore ball bearing with a single-outer-land guided cage
Fredrick T. Schuller, Stanley I. Pinel, Hans R. Signer, United States. National Aeronautics and Space Administration. Scientific and Technical Information Office, Lewis Research Center
National Aeronautics and Space Administration, Scientific and Technical Information Office, 1980 - Technology & Engineering - 12 pages
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2000 Lubricant flow 35-millimeter-bore ball bearing 35-mm-bore bearing 60 Shaft speed angular-contact ball bearing Bamberger bearing operating Bearing power loss bearing temperature cage slip decreased cm'/min gal/min cm3/min cmVmin 0.50 gal/min cnr/min combined 667-N combined load combined-load contact angle cooling oil flow curves different load conditions effect of load Effect of lubricant Effect of shaft epicyclic cage speed heat rejection increased with shaft increasing lubricant flow inner-ring temperatures jet lubrication jet velocity Lewis Research Center load conditions tested load of 667 load was doubled lubricant flow rate maximum thrust load MIL-L-23699 specifications NASA Nominal shaft speeds oil flow rate oil-in temperature oil-out temperature Outer-ring cooling oil outer-ring temperature percent cage slip radial load rate on test-bearing rate to test shown in figure single-outer-land single-outer-land-guided cage speed and load strain gage temperature of 394 test bearing Test conditions included test machine thermocouples three different load Thrust and 222