When sudden overheating occurs during rotation, the bearing becomes discolored. Then, the raceway rings, rolling elements, and cage will soften, melt and deform as damage accumulates. | - Poor lubrication
- Excessive load (Excessive preload)
- Excessive rotational speed
- Excessively small internal clearance
- Entry of water and debris
- Poor precision of shaft and housing Excessive shaft bending
| - Study the lubricant and lubrication method
- Reinvestigate the suitability of the bearing type selected
- Study the preload, bearing clearance, and fitting
- Improve the sealing mechanism
- Check the precision of the shaft and housing
- Improve the mounting method
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