S6904-2RS Bearing Sealed ABEC-5 Si3N4 Ceramic 20x37x9mm dust resistant With G100 precision and a

With G100 precision and a smooth polished surface

✅ Outer diameter: 16mm

hydraulic drives

✅ Oil Limiting Speed: 7

Fits White Industries H3 Rear HUB Bicycle

S6904-2RS Bearing Sealed ABEC-5 Si3N4 Ceramic 20x37x9mm dust resistant With G100 precision and aS6904 2RS Sealed ABEC 5 Ball Bearing With Si3N4 Ceramic Balls 20mm x 37mm x 9mm S6904 2RS Sealed ABEC 5 Ball Bearing With Si3N4 Ceramic Balls, S6904 2RS bearing is made from stainless steel with silicon nitride Ceramic Balls (Si3N4) and Nylon cage,S6904 2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, S6904 2RS bearing is sealed and self lubricated,the quality is set to EMQ (Premium ABEC 5