Entry from US English dictionary
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.
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