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Antifriction Bearing Material-Zirconia and Silicon nitride

138 Published by admin Apr 26,2024

Antifriction Bearing -Ceramic material:Silicon nitride(Si3N4)

As an excellent high-temperature engineering material,Si3N4 ceramic material is most advantageous in its application in the field.It has high strength,especially hot pressed silicon nitride.Which is one of the hardest substances in the world.It has properties such as high strength,low density,and high temperature resistance.
Extremely resistant to high temperatures,the strength can be maintained up to 1200 ℃ without decreasing. After being heated,it won't melt into a molten body and decompose until 1900 ℃.It has amazing chemical corrosion resistance and can withstand almost all inorganic acids.Besides,less than 30% caustic soda solution,as well as the corrosion of many organic acids;It is also a high-performance electrical insulation material. Compared to metal bearings,it has higher accuracy,generates less heat,and can operate at higher temperatures and corrosive media.Compared to ZrO2 material, SiN4 made all ceramic bearings are suitable for higher speeds and load capacities, as well as for higher ambient temperatures. At the same time, precision ceramic bearings can be provided for high-speed, high-precision, and high rigidity spindles, with a maximum manufacturing accuracy of P4 to UP levels.

si3n4 Antifriction Bearing

Antifriction Bearing -Ceramic material:Zirconia(ZrO2)

It has excellent properties such as high melting and boiling points, high hardness, being an insulator at room temperature, and conductivity at high temperatures. Zirconia has high hardness and wear resistance, and can maintain performance in various harsh environments; Having good mechanical strength and fracture toughness, it is a reliable structural material; It has high corrosion resistance and can maintain stability in strong acid, strong alkali, and high temperature environments. Moreover, the low density and light weight of zirconia ceramics make them more convenient and easy to operate in certain applications. Can be used in extremely harsh environments and special working conditions.

Antifriction Bearing Zirconia