roller bearing

noun

Definition of roller bearing 

: a bearing in which the journal rotates in peripheral contact with a number of rollers usually contained in a cage

Illustration of roller bearing

Illustration of roller bearing

roller bearing: 1 outer race, 2 cage, 3 roller, 4 inner race

Examples of roller bearing in a Sentence

Recent Examples on the Web

Dorella was the one who kept the family going, working up to 12 hours a day at the Mac factory, assembling hulking mechanical toolboxes, fitting each roller bearing and drawer just so. Chris Ballard, SI.com, "Same Warrior, New Battle: Brian Grant Won't Back Down From Parkinson's Disease," 2 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'roller bearing.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of roller bearing

1857, in the meaning defined above

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The first known use of roller bearing was in 1857

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More from Merriam-Webster on roller bearing

Britannica.com: Encyclopedia article about roller bearing

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