Discrimination Specifications for NTN Imported Bearings
Source: China Bearing Network | Date: March 31, 2013
If any of the following issues are present, the NTN imported bearings should no longer be used and must be replaced with new ones. These signs indicate potential failure or reduced performance: 1. Cracks or gaps in the inner ring, outer ring, rolling elements, or cage. 2. Any crack on the raceway or rolling components. 3. Severe scoring, scratches, or damage on the raceway, ribs, or rolling elements. 4. Significant wear on the cage, or loose rivets. 5. Rust or surface damage on the raceway or rolling elements. 6. Deep dents, scratches, or marks on the raceway or rolling bodies. 7. Noticeable deformation or creep on the inner or outer diameter surfaces. 8.明显的 color change due to overheating or thermal stress. 9. Damage to the seal or dust cover in sealed bearings, leading to contamination. It is crucial to regularly inspect NTN bearings for these signs to ensure safe and efficient operation. Proper maintenance can extend the lifespan of the bearings and prevent unexpected failures.
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