Besides primarily carrying radial load, cylindrical roller bearings with flanges or lips on both inner and outer raceways need also carry axial load in some applications. Because of the axial load, the equivalent dynamic load of the bearing will be increased and the bearing contact fatigue life will be decreased accordingly. The axial load effect on the roller bearing fatigue life had been studied by researchers in the past. Because of different assumptions used in their models, quite different predictions were made in their analysis. This work combines the methods used in the Fernlund-Synek and Brandlein models and studies general contact conditions such as partial contact along the roller length, partial loading zone of the bearing race, manufacturing tolerance and running-in effects on roller length, etc. New formulas for equivalent dynamic loads of the rotating and stationary races are derived. A fatigue limit load is also included in the life calculation to reflect the latest development in contact fatigue life analysis.
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April 2004
Technical Papers
Axial Load Effect on Contact Fatigue Life of Cylindrical Roller Bearings
Wangquan (Winston) Cheng,
Wangquan (Winston) Cheng
ArvinMeritor, 2135 W. Maple Road, Troy, MI 48084
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Shan Shih,
Shan Shih
ArvinMeritor, 2135 W. Maple Road, Troy, MI 48084
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John Grace,
John Grace
ArvinMeritor, 2135 W. Maple Road, Troy, MI 48084
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Wenke Tu
Wenke Tu
Henan University of Science & Technology, Henan, China
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Wangquan (Winston) Cheng
ArvinMeritor, 2135 W. Maple Road, Troy, MI 48084
Shan Shih
ArvinMeritor, 2135 W. Maple Road, Troy, MI 48084
John Grace
ArvinMeritor, 2135 W. Maple Road, Troy, MI 48084
Wenke Tu
Henan University of Science & Technology, Henan, China
Contributed by the Tribology Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for presentation at the STLE/ASME Joint International Tribology Conference, Ponte Vedra, FL October 26–29, 2003. Manuscript received by the Tribology Division February 25, 2003 revised manuscript received July 29, 2003. Associate Editor: L. Chang.
J. Tribol. Apr 2004, 126(2): 242-247 (6 pages)
Published Online: April 19, 2004
Article history
Received:
February 25, 2003
Revised:
July 29, 2003
Online:
April 19, 2004
Citation
Cheng , W. (., Shih , S., Grace, J., and Tu, W. (April 19, 2004). "Axial Load Effect on Contact Fatigue Life of Cylindrical Roller Bearings ." ASME. J. Tribol. April 2004; 126(2): 242–247. https://doi.org/10.1115/1.1614823
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