689 2RS Ceramic Hybrid Ball Bearing 9x17x5
689 2RS (9mm x 17mm x 5mm)
Si3N4 high quality ceramic balls
Stainless Steel Inner & Outer Races (S440C)
Rubber Seal on both ends.
Why Choose Ceramic Ball Bearings ?
Ceramic balls make these the fastest, strongest, and lightest bearings available
Easy to clean
Simply the best out there.
Dimension Bore: 9
Dimension OD: 17
Dimension Width: 5