A comprehensive engineers' reference source for radial ball bearings and thrust ball bearing



           Ball bearing failure
              Ball bearing overview
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              Ball Bearing Mounting and fitting

              Ball bearing wear


Preload is the force that is applied to a bearing assembly during installation to remove the axial play and to further compress the bearing to provide both axial and radial stiffness. It is an important design parameter, affecting rotational performance and lifetime of a bearing assembly. After preload, the resulting ball contact angle a must be considered.


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