Bearings
Specifications:
Type: Full Ceramic Ball Bearing
Cage: PTFE
Balls::Si3N4 Ceramic
Inner/outer races: Si3N4 Ceramic
Color:Black
Model Number :6909
Dimensions: 45*68*12mm
ID (inner diameter)/Bore:45mm
OD (outer diameter):68mm
Height/thickness:12mm
Si3N4 Ceramic Bearings 6909
Advantage
1. Use temperature up to 2400°C.
2. High density.
3. Low thermal conductivity.
4. Chemical inertness.
5. Resistance to molten meals.
6. Ionic conduction.
7. Weak resistance.
8. High fracture toughness.
9. High hardness.