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ball bearing
noun
: a part of a machine in which another part (such as a metal pole) turns easily
: one of the balls in a ball bearing
Full Definition of BALL BEARING
: a bearing in which the journal turns upon loose hardened steel balls that roll easily in a race; also : one of the balls in such a bearing
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First Known Use of BALL BEARING
1883
Rhymes with BALL BEARING
BALL BEARING Defined for Kids
ball bearing
noun
Definition of BALL BEARING for Kids
1
: a bearing in which the revolving part turns on metal balls that roll easily in a groove
2
: one of the balls in a ball bearing
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