- a bearing in which the moving parts revolve or slide on freely rolling metal balls so that friction is reduced
- any of such metal balls
ball bearing
ball bearing ball bearing
Webster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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ball bearing
noun
Abbr. bb- A friction-reducing bearing consisting essentially of a ring-shaped track containing freely revolving hard metal balls against which a rotating shaft or other part turns.
- A hard ball used in such a bearing.
THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"Ball bearing." YourDictionary. LoveToKnow. www.yourdictionary.com/ball-bearing.
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Ball bearing. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/ball-bearing
- A ring-shaped track containing hard metal balls that roll freely, used to reduce friction where a rotating element (such as an axle) is attached to a fixed point.
- A hard ball used in such a track.
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"Ball bearing." YourDictionary. LoveToKnow. www.yourdictionary.com/ball-bearing.
APA Style
Ball bearing. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/ball-bearing
English Wiktionary. Available under CC-BY-SA license.
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MLA Style
"Ball bearing." YourDictionary. LoveToKnow. www.yourdictionary.com/ball-bearing.
APA Style
Ball bearing. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/ball-bearing
