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Inspection of bearings after operation

Bearing Failures and Solutions

The bearing is generally usable up to the end of the rolling fatigue life if handled properly. If it fails earlier, it may be due to some fault in the selection, handling, lubrication, and/or mounting of the bearing.

It is sometimes difficult to determine the real cause of bearing failure because many interrelated factors are possible. It is, however, possible to prevent the recurrence of similar problems by considering possible causes according to the situation and condition of the machine on which the bearings failed. Also, installation location, operating conditions, and surrounding structure of the bearings should be taken into consideration.

Bearing failures are classified and illustrated in photos in this section. Use this section as a guide for troubleshooting.

Here show the names of bearing parts referred to in the descriptions of the failure cases.