Currently some powerful bearing manufacturers are optimistic about the market of miniature bearings and have started the development and production.
But it is difficult to find out the reason when the channel of bearing was damaged by impurities after assembling the ring during the production.
How does it happen?
1, The cleaning of ring is not well.
2, The ring is very clean, but some anthropogenic pollution was happened when the ring was assembled as a finish product during the processing .
3, The component is not clean enough.