S6301-2RS sealed Ball Bearing Stainless Steel 12mm x 37mm x12mm S6301-2RS Double sealed ball Bearing, radial and deep groove ball bearing,S6301-2RS bearing is made of Stainless Steel and Stainless steel cage,S6301-2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination,bearings is sealed and self lubricated,S6301-2RS bearing is lubricated with grease.