Question

How are bell bearings useful to reduce friction? ​

Answer 1

Answer:

Bearings reduce the friction of certain moving parts by replacing sliding friction with rolling friction. They are used to provide better linear motion or rotation around a fixed axis. Roller bearings are typically cylinders similar to free rollers, while ball bearings are spheres that are held in a track.

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Answer 2

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Answer :

The value of rolling friction is less than sliding friction. Ball bearings convert sliding friction into rolling friction and thus reduce friction. They are used in most of the industrial machinery that has moving parts,car,axles,etc.

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