12x18x4 Ceramic Rubber seal
- 12mm Inside diameter
- 18mm Outside diameter
- 4mm wide
- mr6701-2rs 6701 2rs 12x18
- Abec 5
- Light oil
- Ceramic Silicon Nitride Si3N4 balls
- Chrome steel races and retainers
- Rubber seals
Ceramic Hybrid
Ceramic Hybrids last up to 10xs longer than Chrome Steel bearings. These are used in applications where high speed, load and temperature are a factor. Ceramic balls are harder and rounder than stainless & chrome steel, so therefore they offer less rolling resistance.