61912-2RS Sealed Ball Bearing 60mm x 85mm x 13mm 61912-2RS Bearing is double sealed, radial, deep groove ball bearing,61912-2RS bearing is made of Chrome Steel with chrome steel balls and steel cage,61912-2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination,61912-2RS bearing is self lubricated,61912-2RS bearing is already greased.