SKF bearing is available judgment, the main consideration bearing damage degree, mechanical properties, importance, and operating conditions, to the maintenance of the next time during and decided to. If there is the following defects are not used again, must be replaced new bearing. Inner ring and outer, rolling body, keep frame of any a crack or a gap.

 

1, rings, rolling body any on the fracture.

 

2, rolling pavement, raised edge, showed the roller card injury.

 

3, maintains a significant or significant relaxation wear rivets.

 

4, rolling pavement, rolling body have rust, wound.

 

5, and NTN bearing groove surface, rolling elements have serious indentation and play marks.

 

6, inner circle diameter or outer diameter face to be obvious creep.

 

And, because of the heat resulting from the obvious.

 
8, sealing grease into the NACHI bearing, sealing ring or dust cover the breakage of the obvious.



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