Comparison of Predicted and Experimental Thermal Performance of Angular-contact Ball BearingsNational Aeronautics and Space Administration, Scientific and Technical Information Branch, 1984 - Ball-bearings - 16 pages |
From inside the book
Results 1-3 of 12
Page 2
... race ( under- race ) lubrication with the same 35 - mm - bore bearings were reported in reference 19. For both of these sets of experiments , shaft speed and lubricant flow rates were varied , and bearing inner- and outer - race ...
... race ( under- race ) lubrication with the same 35 - mm - bore bearings were reported in reference 19. For both of these sets of experiments , shaft speed and lubricant flow rates were varied , and bearing inner- and outer - race ...
Page 5
... race temperature . ( c ) Oil - out temperature . ( d ) Bearing heat generation . Figure 3. - Predicted and ... Outer - race temperature , ° F 480 380 340 200 300 Outer - race temperature , K 440 460 400 420 ( b ) 260 400 Oil - out ...
... race temperature . ( c ) Oil - out temperature . ( d ) Bearing heat generation . Figure 3. - Predicted and ... Outer - race temperature , ° F 480 380 340 200 300 Outer - race temperature , K 440 460 400 420 ( b ) 260 400 Oil - out ...
Page 9
... Outer - race temperature , OF 420 380 340 300 T Outer - race temperature , K 500 900 480 460 440 420 ( b ) 260 400 380 340 300 1 Oil - out temperature , K 420 2.0 460 1.4 1.5 440 1.0 1.0 420 .6 .5 ( c ) 260 400 20 40 60 80x103 .2 ( d ) ...
... Outer - race temperature , OF 420 380 340 300 T Outer - race temperature , K 500 900 480 460 440 420 ( b ) 260 400 380 340 300 1 Oil - out temperature , K 420 2.0 460 1.4 1.5 440 1.0 1.0 420 .6 .5 ( c ) 260 400 20 40 60 80x103 .2 ( d ) ...
Common terms and phrases
167-mm-bore ball bearing 35-mm bearing 35-mm-bore ball bearing 35-mm-bore bearing 97 percent angular-contact ball bearings authors of references bearing cavity XCAV bearing data bearing pitch diameter bearing sizes investigated bearing temperatures bearing with jet bore cm³/min gpm comparison of experimental computer program Shaberth correlation coefficients dynamic program enters the bearing experimental heat experimental thermal performance figure 14 function of lubricant heat rejected inner race Inner-race temperature input jet lubrication K₁ Lewis Research Center lubricant flow rate lubricant percent volume lubricant volume percent nodal system oil-in temperature Oil-out temperature Outer race Outer-race temperature penetration ratio performance of 35-mm-bore performance of ball performance prediction Predicted and experimental predicted temperatures range of shaft rate through bearing references 14 rolling-element bearing shown in figure speeds and lubricant Support bearing temperature and heat test conditions three bearing sizes through-the-race lubrication Thrust load total bearing heat Total lubricant flow values of XCAV XCAV values