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
Words nearby roller bearing
rolled paperwork,
rolled roast,
rolled-steel joist,
roller,
roller bandage,
roller bearing,
roller caption,
roller chain,
roller coaster,
roller derby,
roller gate
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