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Stainless Steel Hybrid Ceramic Bearing

Ceramic materials have various kinds, its composition, microstructure and propertiesare all different. It was proved that when using for bearing, the silicon nitride materials show the best physical, mechanical performance. At present the whole world production of silicon nitride ball is estimated in millions of grains.

Compared with the same type of all steel bearings, the most important characteristics of the hybrid ceramic bearings are:

1 Operation speed increased. Because the low density of silicon nitride ball means the small centrifugal force .

2 Rigid increased. For the elastic modulus of silicon nitride is larger than steel bearing over 50%.

3 Fever decreased. Because silicon nitride ball has the advantages of small friction coefficient and good movement characteristics.

4 Better thermostability. This is because the oefficient of thermal expansion of silicon nitride is only 1/3 of the steel material.

5 More flexible to design. Because silicon nitride material have great properties, so when make bearings, the designer can change parameter differently without considering the influence.

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