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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.
roller bearing
noun
- a bearing in which a shaft runs on a number of hardened-steel rollers held within a cage
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Word History and Origins
Origin of roller bearing1
First recorded in 1855–60
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Example Sentences
A loose fender or a worn roller bearing means nothing to him.
From Project Gutenberg
And I didn't know a roller-bearing from three-point suspension!
From Project Gutenberg
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