Ceramic Ball Bearings | Ceramic Bearing Manufacturer
Ceramic ball bearing materials mainly use Si3N4 ceramics. The density of Si3N4 is 40% of that of general bearing steel, but the hardness is 2-3 times that of bearing steel. It is precisely because of the high hardness of the ceramic ball that it also directly improves the wear resistance. The hardness and strength of ceramic bearings will not ...
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