FAG bearing card injury analysis

FAG bearing card injury analysis:
Damage state: The so-called jam is a surface damage caused by a combination of minute burns generated on the sliding surface. The slide surface, the linear flaw in the circumferential direction of the rolling surface. Cycloidal flaws on the end of the roller. A jam on the collar face near the end face of the roller.
Cause: Excessive load, excessive preload.
       Poor lubrication.
       Foreign body bites like.
       The inner ring, the outer ring is inclined, the shaft, and the bearing box have poor precision.
Action: Check the size of the load.
       Preload should be appropriate.
       Improve lubricants and lubrication methods.
       Check the accuracy of the shaft and bearing housing.

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