Rolling bearing normally comprise bearing rings(inner ring and outer ring),rolling elements and a cage.Rolling elements are arranged between inner and outer rings,and a cage to make the rolling elements in correct relative position,so they do not contact each other.With this structure,a rolling motion is operation interval.
The load of beating is supported by the contact surface or point of rolling elements and rings rolling.And another part cage is not direct brace the bearing,besides interval sustain the right positon of the rolling elements,also prevent dropping out during installation.
