what is ball bearing
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a bearing in which the parts are separated by a ring of small freely rotating metal balls which reduce friction.
Explanation:
A ball bearing is a type of rolling-element bearing that uses balls to maintain the separation between the bearing races. The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads
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Answer:
BEARING IN WHICH THE PATH TOWARD SEPARATED BY THE RING OF SMALL FREELY ROTATING METAL BALLS WHICH REDUCE THE FRICTION
IT IS THE EXAMPLE OF REDUCING FRICTION
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