How to judge whether the bearing can continue to be used?

Bearing is a part of many mechanical equipment to ensure the normal operation of the equipment, so how do we judge whether the bearing can continue to use? Mainly from the bearing mechanical properties, degree of damage, importance, operating conditions and other aspects to consider, the following is the summary of the bearing manufacturers, about the bearing in these cases, you need to replace a new bearing, can not continue to use.
How to judge whether the bearing can continue to be used?
1. There is rust and damage on the raceway surface and rolling element.
2. Any one of the ferrule and rolling element is broken.
3. There are cracks or notches on any one of the inner ring, outer ring, rolling element or cage.
4. The cage is worn significantly or the rivet is loose significantly.
5. The discoloration caused by heat is obvious.
6. The inner diameter surface of inner ring or outer diameter surface of outer ring of miniature bearing has obvious creep.
7. The bearing sealed with grease, sealing ring or dust cover are obviously damaged.
8. There are obvious sticking injuries on the rolling surface, rib and rolling element.
9. There are serious indentations and marks on the raceway surface and rolling element.