Structure of  BALL BEARING -Bearing Brands-NSK,

The basic structure of a "BALL BEARING" consisting 4 simple parts as following :

(1)OUTER WHEEL

Large track wheel on the outside.










(2)INNER WHEEL

Small track wheel inside.



(3)STEEL BALL

Balls between outer and inner wheels.












(4)RETAINING RING

Positioning parts for rolling elements.