Easily distinguish whether NSK bearings can be reused

Source: China Bearing Network Time: 2013-04-06

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[Daily Bearing Network] NSK imported bearings are attributed to fine parts. NSK imported bearings are widely used; their application fields mainly include automobiles, motors (motors), gear equipment, injection molding machines, machine tools, mining machinery, construction machinery, motorcycles. , office equipment, paper machinery, pumps and compressors, railways, semiconductors, metallurgical equipment, wind turbines, etc.
It is precisely because NSK imported bearings are widely used; therefore, the bearings are abnormal, faulty problems and repairs are often found. So how to distinguish the bearings can be used again? Is there a trick?
After analysis and experience, when NSK bearings have the following shortcomings, they can no longer be used continuously; new NSK bearings should be replaced immediately. The details are as follows:
Cracks or nicks on either the inner ring, the outer ring, the roll body, or the cage,
Cracking on any one of the ferrule and the roll body,
Significant jams on the raceway, ribs, and rollovers.
The cage wears significantly; perhaps the rivets are significantly lax,
There is rust and injury on the raceway surface and the rolling body.
Severe indentations and marks on the raceway surface and the roll body.
There is significant creep in the inner diameter surface of the inner ring or the outer diameter surface of the outer ring.
The color change due to heat is significant.
When NSK imported bearings show the above situation, please do not continue to use; should replace the new NSK bearing immediately.

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