roller bearing

American  

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 British  

noun

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

---

Etymology

Origin of roller bearing

First recorded in 1855–60

Example Sentences

Third, do you know the average timelife of a turbine's roller bearing ?

From New York Times • Sep. 13, 2014

The larger Stellas feature 15 ball bearings plus a roller bearing.

From Time Magazine Archive

The Timkens were among the first to discover the advantages of the roller bearing over the ball bearing.

From Time Magazine Archive

Henry Holiday Timken Jr., Harvard senior, son of the roller bearing maker, took his first flight in a $70,000 Ford tri-motor plane, the gift of his father.

From Time Magazine Archive

A loose fender or a worn roller bearing means nothing to him.

From Torchy and Vee by Ford, Sewell