Equipment preventive maintenance, inspection and peripheral parts replacement operation was removed when the bearings of check formula, a judge could use again or use of good and bad. Investigate and record is broken down and appearance of the bearing, in order to find out the rest of the lubricant and the quantity, sampling later, will make good cleaning bearing. Second check groove surface, face and cooperate with the rolling conditions and maintains a state of the wear and tear of the abnormal situation for any damage and to observe the groove especially running track.

Judge bearing can use again, to the extent of the damage in considering bearing, the machine performance, importance, operation conditions, check again later period and so on to decide. Check the result, if found bearing have damage and an excrescent circumstance, find out the reason, establishing countermeasure.

In addition, check the result, if there are some defects of words, bearing can't again used, need to change new bearing.

A. inside and outside circle, rolling body, maintains a any a crack and appear the debris.

B. inside and outside circle, rolling body any a detachment.

C. groove surface, raised edge, roller card of significant injury.

D. keep frame of severe worn or rivets loose the severe.

E. groove surface, rust and roller a wound.

F. scroll roller surface, showed the indentation and hit the mark.

G. inner circle diameter surface or outer diameter on the creep.

H. overheating discoloration of severe.
I. grease purgeable bearing sealing and dust cover seriously damaged.



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