The performance of dry-lubricated, angular contact ball bearings in vacuum at a temperature of 20 degrees K has been investigated, and is compared with the in-vacuo performance at room temperatures. Bearings were lubricated using dry-lubricant techniques which have been previously established for space applications involving operations at or near room temperature. Comparative tests were undertaken using three lubricants: molybdenum disulphide, lead, and PTFE. Results obtained using the three lubricants are presented.


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    Title :

    The in-vacuo torque performance of dry-lubricated ball bearings at cryogenic temperatures


    Contributors:


    Publication date :

    1989-03-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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