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