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NSK rolling mill bearing noise causes regular maintenance

wallpapers Low Carbon 2020-09-27
When the NSK bearings disassembled during the regular maintenance, operation and replacement of peripheral parts of the rolling mill are out of service, it is necessary to determine in turn whether the NSK auxiliary bearings parts can be used again and record the operating conditions.
1. Any one of the inner ring, outer ring, rolling element and bearing has cracks and chipping.
2. Strip off any one of the inner and outer rings and rolling elements.
3. The surface of the raceway, the ribs and rolling elements are severely stuck.
4. The bracket is severely worn or the rivet is loose and violent.
5. The surface of the raceway and rolling elements are rusty and scratched.
6. The rolling surface and rolling body have obvious indentations and scratches.
7. There is creep on the inner diameter surface of the inner ring or the outer diameter of the outer ring.
8. Overheat and change the color drastically.
9. The sealing ring and dust cover of the grease-sealed bearing have been severely damaged.

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Tag: NSK   Bearings   NSK bearings  
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