About TIMKEN bearing preventive maintenance considerations - bearing knowledge

Of TIMKEN bearing equipment preventive maintenance, and peripheral parts replacement operation were removed TIMKEN bearing inspection, need to determine whether the TIMKEN bearing parts in turn can be used again and record the usage of good or bad. Will carefully investigate and record the tear open come down to the TIMKEN bearing and appearance. In order to explore the residual amount of investigation and lubricant, after sampling, to clean the TIMKEN bearing very well. Second check TIMKEN bearing raceway surface, rolling surface and cooperate with the surface condition and wear conditions of cage with and without damage to watch the race and abnormal situation especially the running track. Judgment TIMKEN bearing can use again, the extent of the damage to considering the TIMKEN bearings, machine performance, importance, operating conditions, such as inspection period to decide later. Test results, if found damage and TIMKEN bearing abnormal situation, please according to the TIMKEN bearing damage phenomenon to find out the reason, to develop countermeasures. In addition, the test results, there are some defects, if the TIMKEN bearing can't use, need to replace new TIMKEN bearings. 一个。 Inner and outer ring, rolling body, to keep any of them are cracks and debris. b。 Inner and outer ring, rolling body any one strip. c。 Raceway surface, guard, significant injury of roller. d。 Maintains a badly worn or loose rivet badly. e. Raceway surface, rust and roller has a scar. f。 Had a remarkable indentation rolling surface, rolling body and make a mark. g。 Inner ring diameter or outer diameter on the creep. h。 Discoloration of overheating. 我。 Grease seal TIMKEN bearing seal ring and dust cover damage to serious.