ZRO2 Ceramic deep groove ball bearings
Groove ball bearings just play simple to prevent dust from entering the bearing raceways. Oil- proof seal, which can effectively prevent the grease within the bearing spillover. Its structure is simple, easy to use,is the production of the most common, the most widely used class bearings.
Name: Full zro2 ceramic bearing
Dimensions-IDd：（mm） 50
density: 6.05g/cm3.
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