12x28x8 Ceramic metal shield
- 12mm Inside diameter
- 28mm Outside diameter
- 8mm wid
- 6001-zz 6001 zz 12x28 Ceramic
- Abec 5
- Ceramic Silicon Nitride Si3N4 balls
- Chrome steel races
- Nylon retainers
- Metal no contact shields
- JimsBearings PTFE oil
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.