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Definition of ball bearing noun from the Oxford Advanced Learner's Dictionary

ball bearing

noun

/ˌbɔːl ˈbeərɪŋ/

/ˌbɔːl ˈberɪŋ/

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a ring of small metal balls used in a machine to enable the parts to turn smoothly; one of these small metal ballsTopics Engineeringc2

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See ball bearing in the Oxford Advanced American Dictionary

Check pronunciation: ball bearing

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C2

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