This paper presents a novel technique for improving the life of a rolling element bearing by selectively altering the stiffness of the structure, resulting in raceway deformation that results in an improved contact stress profile and/or circumferential load distribution. The technique has been verified through tapered roller bearing testing. Unmodified bearings were tested under high load and misalignment conditions. The exterior profile was then modified and verified through a unique proprietary method called Signature™ testing. A second endurance test using modified bearings showed that the technique does enhance bearing fatigue life.


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    Title :

    Bearing Race Load Distribution Optimization


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    1997 SAE International Off-Highway and Powerplant Congress and Exposition ; 1997



    Publication date :

    1997-09-08




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Bearing race load distribution optimization

    Bailey,T.E. / Frayer,R.W. / NTN Technical Center,US | Automotive engineering | 1997


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