Answer / guest

bearing is an machine element it give relative motion
between the contacting surfaces while carrying the load.
mainly two types of bearings 1.rolling contact 2.sliding contact

Answer / kiskugomke

Bearing is the machine component which is employed in-between the two contacting surface of machine in order to bear or resists the wearings and tearing of the contacting surface.

there are two types of bearing:

1. Ball bearing
2. Roller bearing

we have read that when the piston goes up and down then the engine works i.e. the suction,compression etc etc. then what happens in the case of big vehicles, which start at stable condition, i.e. how does their piston moves when they are at rest. how suction,compression etc

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