Si3N4 Silicon Nitride Full Ceramic Ball Bearing Full Balls Bearings Various size

The size of the products made in this way. The sintering is done by pressing silicon nitride powder with a small amount of additives at a pressure of 19.6MPA or more and at 1600~1700°C. After obtaining a certain degree of strength, it can be machined on the machine tool, followed by further nitriding at 1350~1450°C for 18~36H.

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