Do you know the materials and types of super-complete ceramic bearings?
Silicon nitride full ceramic INA bearings
Silicon nitride full ceramic bearing rings and rolling elements are made of silicon nitride (Si3N4) ceramic material, and the retainer uses polytetrafluoroethylene (PTFE) as the standard configuration. Generally, RPA66-25, PEEK, PI, and phenolic clamps can also be used Cloth bakelite tube and so on. Compared with ZrO2 material, SiN4 full ceramic bearings can be applied to higher speed and load capacity, as well as higher ambient temperature. At the same time, it can provide precision ceramic bearings for high-speed, high-precision and high-rigidity spindles, with the highest manufacturing accuracy reaching P4 to UP.
full ceramic ball bearing
The full complement spherical full ceramic bearing has a ball-filling gap on one side. Due to the cageless structure design, more ceramic balls can be loaded than the standard structure bearing, thereby improving its load capacity and avoiding the limitation of cage material. , Can achieve the corrosion resistance and temperature resistance of ceramic cage type full ceramic bearings. This series of bearings are not suitable for higher speeds. When installing, pay attention to installing the notched surface on the end that does not bear the axial load.
Ceramic cage full ceramic bearing
Ceramic cages have the advantages of wear resistance, high strength, corrosion resistance and self-lubricating. All ceramic bearings made of ceramic cages can be used in harsh environments such as extremely strong corrosion, ultra-high and low temperature and high vacuum. Commonly used ceramic materials are ZrO2, Si3N4 or SiC
Zirconia Full Ceramic Bearing
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 ferrule and rolling elements are made of zirconia (ZrO2) ceramic material, and the retainer uses polytetrafluoroethylene (PTFE) as the standard configuration. Generally, glass fiber reinforced nylon 66 (RPA66-25), special engineering plastics (PEEK, PI), stainless steel (AISISUS316), brass (Cu), etc.
Hybrid ceramic ball bearings
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 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.