roller bearing

noun

Machinery.

1. 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.

roller bearing

noun

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

Word History and Origins

Origin of roller bearing¹

First recorded in 1855–60

Example Sentences

Smith says roller bearings and the main expansion joint need to be repaired.

From Washington Times

The evacuee plaintiffs blame the company for a failed wheel roller bearing.

From Seattle Times

Reed assembles roller bearings at Rexnord, an industrial supplier that plans to send his job and 294 others from the Midwest to Mexico.

From Washington Post

Take the case of NTN-Bower in Hamilton, Alabama, one of the largest manufacturers of precision roller bearings in the United States.

From US News

CSX says a roller bearing initially failed near a crossing in Louisville.

From Seattle Times