Hot pressed silicon nitride has excellent rolling contact fatigue resistance, good wear characteristics, and excellent dimensional stability in addition to its known physical properties of a low density and excellent elevated temperature strength and hardness. Precision quality roller bearings have been fabricated with silicon nitride rolling elements and M-50 steel races and, also, with both races and the rollers made from silicon nitride. These bearings, tested at speeds to one-half million DN (bore diameter × speed in rpm) and under heavy loads to give accelerated test conditions, show promise for the use of hot pressed silicon nitride as a bearing material.


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    Title :

    Ceramic Roller Bearings for High Speed and High Temperature Applications


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    1974 Automotive Engineering Congress and Exposition ; 1974



    Publication date :

    1974-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English






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