Industrial Ceramic Parts Ceramic Bearings
Silicon oxide full ceramic bearings
The rings and rolling elements of silicon hydride full ceramic bearings are made of silicon hydride (SI3N4) ceramic material, and the retainer uses polytetrafluoroethylene (PTFF) as standard configuration. Generally, GRPA66-25, PEEK, and bakelite can also be used. Compared with Zr02 material, SI3N4 full ceramic bearings can be used for higher speeds and load capacities, and are suitable for higher ambient temperatures. At the same time, precision ceramic bearings for high-speed, high-precision, and high-rigidity bearings can be provided, with the highest manufacturing accuracy reaching P4 to UP level.
Oxide full ceramic bearings
The rings and rolling elements are made of oxide (Zr02) ceramic material, and the retainer uses polytetrafluoroethylene (PTFF) as standard configuration. Generally, glass fiber reinforced nylon (GRPA66-25), special engineering plastics (PEEK I PI), stainless steel (ALSI SUS316, SUS304), brass (cu), etc. can also be used.
Full-filled all-ceramic bearings
Full-filled all-ceramic bearings have a gap for adding balls on one side. Because of the cage-free design, more ceramic balls can be loaded than standard bearings, thereby improving the load capacity in the diameter direction. In addition, the restrictions on the cage material can be avoided, and the corrosion and temperature resistance of ceramic cage-type all-ceramic bearings can be achieved. This series of bearings is not suitable for high speeds. When installing, it should be noted that the gap surface is installed on the end that does not bear the radial load. Because the inner and outer rings of the bearing have a gap for adding balls, it is not suitable for applications with large radial loads.
Ceramic cage all-ceramic bearings
Ceramic cages have the advantages of wear resistance, high strength, corrosion resistance and self-lubrication. All-ceramic bearings made of ceramic cages can be used in harsh environments such as extremely strong corrosion, ultra-high and low temperatures and high vacuum. The commonly used cage ceramic material is Zr02.
Hybrid Ceramic Ball Bearings
Ceramic balls, especially hydride silicon balls, have the characteristics of low density, high hardness, low friction coefficient, non-magnetic and electrical insulation, wear resistance, self-lubrication and good rigidity. They are particularly suitable for high-speed, high-precision and long-life hybrid ceramic ball bearings (inner and outer parts are metal). Generally, the inner and outer parts are made of bearing steel
(GCrlS) or stainless steel (ALS1440C, 316 304), and ceramic balls can be made of Zr02, Si3N4, or SiC materials.
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