INA bearing coat and seal the cover gap, oil spills, color, bearing the relocation of crack damage, corrosion, and so on. Once the inspection found that the characteristics of the appearance of failure, we must very careful judgment to determine the exact location of the fault. The shaft end of the outer ring and two sealing cover the gap is too large, the bearing outer ring around the end and sealing cover the gap is too large, and more grease to overflow, it is the joint bearing outer ring crack.

1.ring, rolling body on any fracture. Correctly, quickly and effectively to signal acquisition, data processing, manual or automatic identification and judgment. The bearing industry has entered a new high quality rapid period of development includes monitoring operation status, to supplement or replace lubricants, periodic disassembly inspection.
 
2.rolling plane, ribs, rolling card hurt. Bearing is available to judge the joint bearing damage, mechanical properties, the importance of operating conditions, to the next maintenance period. If the following defects can no longer use must be replaced with new bearings.

3.cage wear or rivets with relaxation.
 
4.Raceway, rolling rust injury.

5.Inner diameter surface or the outer ring outer diameter surface of the creep.

6. Serious indentation on the raceway and rolling element and hit marks.

7. due to heat caused obvious discoloration.



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