Effect of Silicon Nitride Balls and Rollers on Rolling Bearing Life

Three decades have passed since the introduction of silicon nitride rollers and balls into conventional rolling-element bearings. For a given applied load, the contact (Hertz) stress in a hybrid bearing will be higher than that of an all-steel rolling element bearing. The silicon nitride rolling-element life as well as the lives of the steel races were used to determine the resultant bearing life of both hybrid and all-steel bearings. Life factors were determined and reported for hybrid bearings. Under nominal operating speeds, the resultant calculated lives of the deep-groove, angular-contact, and cylindrical roller hybrid bearings with races made of post-1960 bearing steel increased by factors of 3.7, 3.2, and 5.5, respectively, from those calculated using the Lundberg-Palmgren equations. An all-steel bearing under the same load will have a longer life than the equivalent hybrid bearing under the same conditions. Under these conditions, hybrid bearings are predicted to have a lower fatigue life than all...

[1]  David V. Sundberg.  Ceramic Roller Bearings for High Speed and High Temperature Applications , 1974 .

[2]  J. M. Reddecliff,et al.  The Performance of a High-Speed Ball Thrust Bearing Using Silicon Nitride Balls , 1976 .

[3]  A. Palmgren,et al.  Dynamic capacity of rolling bearings , 1947 .

[4]  P. J. McCullagh,et al.  Silicon nitride as a rolling bearing material—A preliminary assessment , 1971 .

[5]  W. Weibull.  A statistical theory of the strength of materials , 1939 .

[6]  E. V. Zaretsky,et al.  Rolling-element fatigue life of silicon nitride balls. [as compared to that of steel, ceramic, and cermet materials] , 1974 .

[7]  G. Hosang.  Results and design techniques from the application of ceramic ball bearings to the Meradcom 10 kW turbine , 1987 .

[8]  E. V. Zaretsky,et al.  Fatigue life of high-speed ball bearings with silicon nitride balls , 1975 .

[9]  R. J. Parker,et al.  Rolling element fatigue life , 1979 .

[10]  Robert C. Hendricks,et al.  Determination of Rolling-Element Fatigue Life From Computer Generated Bearing Tests , 2003 .

[11]  H Robert Baumgartner,et al.  Ceramic Materials in Rolling Contact Bearings , 1976 .

[12]  Jennifer K. Chalsma,et al.  Design for life, plan for death , 1994 .

[13]  W. Weibull.  A Statistical Distribution Function of Wide Applicability , 1951 .

[14]  W. M. Wheildon,et al.  Rolling Contact Fatigue of Hot-Pressed Silicon Nitride Versus Surface Preparation Techniques , 1974 .

[15]  R. W. Snidle,et al.  Rolling contact silicon nitride bearing technology : a review of recent research , 2000 .

[16]  E. V. Zaretsky,et al.  Reevaluation of the stress-life relation in rolling-element bearings , 1972 .

[17]  F. R. Morrison,et al.  The load-life relationship for M50 steel bearings with silicon nitride ceramic balls , 1984 .

[18]  Kiyoshi Tanimoto,et al.  Hybrid Ceramic Ball Bearings for Turbochargers , 2000 .

[19]  K. TANIMOTO,et al.  Evaluation of Extra-Small Ceramic Ball Bearings , .

[20]  C. Dee.  Silicon nitride tribological applications of a ceramic material , 1970 .

[21]  J. R. Miner,et al.  F117-PW-100 hybrid ball bearing ceramic technology insertion , 1996 .

[22]  T. A. Harris,et al.  On the Accuracy of Rolling Bearing Fatigue Life Prediction , 1996 .

[23]  W. M. Wheildon,et al.  Silicon Nitride in Rolling Contact Bearings. , 1973 .

[24]  Erwin V. Zaretsky.  STLE life factors for rolling bearings , 1992 .

[25]  D. Scott,et al.  Hot pressed silicon nitride as a rolling bearing material—a preliminary assessment , 1973 .

[26]  Erwin V. Zaretsky,et al.  Ceramic bearings for use in gas turbine engines , 1989 .

[27]  W. Weibull,et al.  The phenomenon of rupture in solids , 1939 .