4x9x4
- 4mm Inside diameter
- 9mm Outside diameter
- 4mm wide
- mr684 mr 684 2rs 4x9
- Abec 3
- Pre greased
- Chrome steel
- Rubber seals
Chrome Steel
This is our standard bearing that we have been stocking since the beginning. Chrome Steel is a great budget friendly bearing that will work in most any application.
- Abec 3
- Pre Grease
- Chrome steel
- Rubber seal
440 Stainless Steel
Stainless Steel bearings offer 75-85% of the strength as the Chrome Steel bearing, but will not corrode when used in wet applications. Stainless Steel also will run safely at a higher temperature than a chrome steel
- Abec 3
- Pre Greased
- 440 Stainless Steel balls retainers & races
- Rubber sealed
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.
- Abec 5
- Light oil
- Ceramic Silicon Nitride Si3N4 balls
- Chrome steel races and retainers
- Rubber sealed
