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Compared with the properties of four kinds of bearing materials, common bearing steel AISI52100(GCR15) , stainless steel AISI440(9Cr18) , silicon nitride (Si3N4) and Zirconia (ZRO2) , ceramic bearing is an important mechanical base component, because of its excellent performance which can not be compared with metal bearing, high temperature resistance, super strength and other new materials in the world. In the past ten years, it has been widely used in various fields of national economy and people's livelihood.
Compared with the properties of four kinds of bearing materials, common bearing steel AISI52100(GCR15) , stainless steel AISI440(9Cr18) , silicon nitride (Si3N4) and Zirconia (ZRO2) , ceramic bearing is an important mechanical base component, because of its excellent performance which can not be compared with metal bearing, high temperature resistance, super strength and other new materials in the world. In the past ten years, it has been widely used in various fields of national economy and people's livelihood.