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    A bearing smooth performance is assured by a combination of four basic working parts
    Hits:   Date:2020-07-09  

    • Outer race (also called outer ring or cup)

     • Inner race (also called inner ring or cone)

     • Rolling elements (either balls or rollers)

     • Separator (also called cage or retainer)

    The rolling elements, shaped as balls or rollers, provide the cushion that eases the moving friction of the shaft within its housing. These elements keep the outer and inner races separated and enable them to move smoothly and freely. The shape of the rolling elements depends on the type of load, operating conditions and particular applications. It is the rolling elements that distinguish the two basic bearing categories – ball bearings and roller bearings.


    There is a groove called the ball path on both the inner and outer races of ball bearings in which the balls roll. For roller bearings, the rollers roll on the flat surface of each race. This surface is called the roller path.

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