S6904 2RSC - 61904 2RS Ceramic Hybrid Ball Bearing
61904 2RS Ceramic Hybrid Bearing
(20mm x 37mm x 9mm)
White Ceramic Balls ZR02 (Zirconium Oxide)
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: 20
Dimension OD: 37
Dimension Width: 9