Precision parts in the NSK bearings, NSK bearings for mechanical service, preventive maintenance, status monitoring and a series of maintenance decision support system realization of optimizing plant asset efficiency and maintenance work. NSK bearing for some industries, have played a crucial role.
　　But as NSK bearings spoken the following defects, you can no longer continue to use, NSK bearings should be replaced immediately. As follows:
　　(1) the NSK bearing inner ring, outer ring, rolling elements, cages of any cracks or gaps in the a;
　　(2) the NSK bearing rings, rolling elements on any one fault;
　　(3) the NSK bearing Raceway surface, rib, rolling a remarkable card hurt;
　　(4) the NSK bearing cage wear significantly, or rivet significant relaxation;
　　(5) the NSK bearing Raceway surface, scrolling there is rust on the body, injury;
　　(6) the NSK bearing Raceway surface, rolling, there was serious pressure marks and marks;
　　(7) the NSK bearing inner ring diameter or outer ring outside diameter surface creep is evident;
　　(8) color clear due to heat.
　　So when NSK bearing for the above cases, please do not continue to use new NSK bearings should be replaced immediately. Avoid unnecessary accident.


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