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Silicon Nitride (SI3N4) is an ideal material for bearings. Ceramic bearings have good wear and corrosion resistance, and great mechanical strength under high temperature. We can supply full ceramic and hybrid bearings products made by Silicon Nitride, Zirconia as well as SiC.
Comparison of ceramic and Steel for bearings
Thermal expansion coeff.
Silicon Nitride ceramic is ideal for bearing parts. Si3N4 bearing balls have already been applied in automobiles, rockets high-speed engines, equipment working in a corrosive environment and some performance model cars. Compared with steel, high-performance ceramic balls have better mechanical properties under high temperature and could survive from most the corrosive chemicals. As the price of ceramic materials decreased, it could have more applications.