Bearing of the judgment:
Bearing is available to judge the 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. The inner ring, outer ring, rolling body cage any cracks or gaps.
1， ring, rolling body on any fracture.
2, the scroll Tao face, ribs, on the the scroll body of there are the injury of significantly of the card.
3, cage wear or rivets with relaxation.
4, raceway, rolling rust injury.
5, raceway, rolling on a serious indentation and hit marks.
6, the inner diameter surface or the outer ring outer diameter surface of creep.
7, due to heat caused obvious discoloration.
The grease-enclosed bearings, seals, or a dust cover is damaged significantly.



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