1601-2RS Bearing, categorized as regular section, double sealed, radial, deep groove ball bearing,1601-2RS bearing is made of Chrome Steel with chrome steel balls and steel cage,1601-2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination,1601-2RS bearing is sealed and self lubricated,the quality is set to EMQ (electric motor quality) to ensure high speed,1601-2RS bearing is lubricated with grease.