Definition of ball race in English:

ball race


  • Either of the ring-shaped components of a ball bearing that have grooves in which the balls run.

    ‘Ball bearings consist of polished steel balls that ride in polished ball races.’
    • ‘The Mörrum has a lightweight one-piece aluminium spool, perfectly balanced, and running with turbine smoothness on oversized ball races.’
    • ‘Note that the ball race sets do not include the additional shafts & grease supplied in some.’
    • ‘The auxiliary ring itself is fixed by means of an external auxiliary ring flange to the side of the bearing flange facing the inner ball race.’


ball race

/bôl rās/ /bɔl reɪs/