roller bearing


noun Machinery.

a bearing consisting of cylindrical or tapered rollers running between races in two concentric rings, one of which is mounted on a rotating or oscillating part, as a shaft.

Origin of roller bearing

First recorded in 1855–60

Example sentences from the Web for roller bearing

  • And I didn't know a roller-bearing from three-point suspension!

    Free Air |Sinclair Lewis

British Dictionary definitions for roller bearing

roller bearing

noun

a bearing in which a shaft runs on a number of hardened-steel rollers held within a cage