Ceramic bearing material classification

All-ceramic bearings have the characteristics of anti-magnetic and electrical insulation, wear resistance and corrosion resistance, oil-free self-lubrication, high temperature resistance and high cold resistance, and can be used in extremely harsh environments and special working conditions. The ferrules and rolling elements are made of zirconia (ZrO2) ceramic material, and the cage is made of polytetrafluoroethylene (PTFE) as standard configuration. Generally, glass fiber reinforced nylon 66 (RPA66-25), special engineering plastics (PEEK, PI), stainless steel (AISISUS316), brass (Cu), etc.

Zirconia
All-ceramic bearings have the characteristics of anti-magnetic and electrical insulation, wear resistance and corrosion resistance, oil-free self-lubrication, high temperature resistance and high cold resistance, and can be used in extremely harsh environments and special working conditions. The ferrules and rolling elements are made of zirconia (ZrO2) ceramic material, and the cage is made of polytetrafluoroethylene (PTFE) as standard configuration. Generally, glass fiber reinforced nylon 66 (RPA66-25), special engineering plastics (PEEK, PI), stainless steel (AISISUS316), brass (Cu), etc.

silicon nitride
Silicon nitride full ceramic bearing rings and rolling elements are made of silicon nitride (Si3N4) ceramic material. Generally, RPA66-25, PEEK, PI, and phenolic cloth bakelite tubes can also be used. Compared with ZrO2 materials, full ceramic bearings made of SiN4 are suitable for higher speeds and load capacities, as well as higher ambient temperatures. At the same time, we can provide precision ceramic bearings for high-speed, high-precision and high-rigidity spindles, with the highest manufacturing accuracy reaching P4 to UP levels.

full ball
Full ball type all-ceramic bearings have a gap for adding balls on one side. Due to the cageless structure design, more ceramic balls can be installed than standard structure bearings, thereby improving their load capacity. In addition, they can avoid the limitations of cage materials. , which can achieve corrosion resistance and temperature resistance of ceramic cage type all-ceramic bearings. This series of bearings are not suitable for higher speeds. When installing, attention should be paid to installing the notch surface on the end that does not bear axial load.

mix
Ceramic balls, especially silicon nitride balls, have the characteristics of low density, high hardness, low friction coefficient, wear resistance, self-lubrication and good rigidity. They are especially suitable for rolling elements (inner and outer rings) of high-speed, high-precision and long-life hybrid ceramic ball bearings. for metal). Generally, the inner and outer rings are made of bearing steel (GCr15) or stainless steel (AISI440C), and the ceramic balls can be made of ZrO2, Si3N4, or SiC materials.