S6001-2RS Stainless Steel Sealed Ball Bearing 12mm x 28mm x 8mm One Bearing S6001-2RS Stainless Steel Sealed Ball Bearing is Double sealed, radial and deep groove ball bearing,bearing is made of Stainless Steel and Stainless steel cage,S6001-2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination,bearing is sealed and self lubricated,S6001-2RS bearing is lubricated with grease.