1. Advantage of ceramic

high speed  ;  high temperature ; corrosion resistance

non-magnetic  ;  non-conductive  ;  vacuum condition  ;  lubrication & maintenance free

2. Material category

1) ceramic bearing of Zirconia materials ZrO2

This type of ceramic bearing have excellence performance as low thermal conductivity & non-magnetic ,corrosion resistance , lubrication and maintence free . With a high temperature melting point ( up to 800 degree C) and good chemical stability .

The outer/inner rings and balls are ceramic material ZrO2 , but the retainer made by PTFE ( up to 210 degree C ) , as an standard construction .

2) ceramic bearing of Silicon Nitride materials Si3N4

Fine ceramic bearing made by Si3N4 superior creep resistance , small thermal expansion coefficient , large thermal shock resistance .

Outer/inner ring and balls are Si3N4 material and retainer is made by PTFE (Chemical stability ) ,as a standard construction .

Si3N4 ceramic bearing can be used for high load and higher temperature , melting point is 400 degree C , high speed and high rigidity .

3) ceramic bearing of ceramic retainer

ceramic retainer has excellent performance and corrosion resistance condition , high strength ,lubrication and maintenance free during operating condition .

the bearing can be used in inclemency environments as corrosive , high tempreture ,high vacuum . Normal ceramic material are ZrO2 & Si3N4

4)Ceramic bearing of full complements balls 

this ceramic bearing is used for heavy load but low speed because of without retainer . same as above two type can used for high tempreture and corrosion resistance application .