zirconia
All-ceramic bearings have the characteristics of magnetoelectric insulation, wear and corrosion resistance, oil-free self-lubrication, high temperature and cold resistance, etc., which can be used in extreme harsh environment and special working conditions. The ring and rolling body are made of zirconia (ZrO2) ceramic material, and the reholder is made of polytetrafluoron (PTFE) as standard configuration. Generally, glass fiber reinforced nylon 66 (RPA66-25), special engineering plastics (PEEK, PI), stainless steel (AISISUS316), brass (Cu) and so on can also be used.
Silicon nitride
Silicon nitride all-ceramic bearing ring and rolling body are made of silicon nitride (Si3N4) ceramic material, rPA66-25, PEEK, PI, and phenolic laminated bakelite tube can also be used. Compared with ZrO2, SiN4 all-ceramic bearings are suitable for higher speed and load capacity, as well as higher ambient temperature. Precision ceramic bearings for high speed, high precision and high rigidity spindles are also available, with maximum manufacturing accuracy UP to CLASS P4 to UP
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