Judgment bearing will use again, to bearing damage degree, the machine performance, importance, operating conditions, such as checking cycle later decided. Check the results, if it is found that the bearing damage and abnormal situation, hurt a section to find out the reason, wheel bearing countermeasures. In addition, the inspection results, if there are some defects in it, the bearing can not be used, need to replace new bearing.
A. inner and outer ring, rolling body cage, in which any cracks and debris.
B. inner and outer ring, rolling body which any split.
C. raceway, rib, rolling card significantly hurt.
D. retainer wear or loosen rivets.
E. raceway surface, rolling rust and bruises.
F. surface of rolling, rolling a significant indentation and trace.
A creep of G. inner self aligning ball bearing diameter of surface or outer diameter.
H. thermal discoloration.
I. grease sealed bearings seals and shields to serious damage. 
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