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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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of roller bearing

First recorded in 1855–60


Example Sentences

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

From New York Times ● Sep. 13, 2014

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

Saltigas feature 14 ball bearings and a roller bearing, which provide the smooth operation necessary to deal with big fish.

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

A lever handle, R, when pressed forward, raises T' by means of a roller bearing U, and when the handle is raised the total weight of the cylinders is supported on the platforms.

From Respiration Calorimeters for Studying the Respiratory Exchange and Energy Transformations of Man by Francis Gano Benedict

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