what is the purpose of using ball bearing in machine
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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. ... However, they can tolerate some misalignment of the inner and outer races.
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Ball bearing is a simple circular mechanical device which is mainly made out of strong metal and different internal rotating part.
This ball bearing is used in different machines to gain a axis or rotational motion where it is necessary.
The ball bearing can even replace the wheels due to it's higher mechanical work efficiency than the normal wheels.
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