6809RS Ball Bearing 45x58x7 mm Sealed Bearings 6809RS 6809RS Bearing, categorized as slim section, double sealed, radial, deep groove ball bearings, 6809RS bearings are made of Chrome Steel with chrome steel balls and steel cage, 6809RS bearing are closed with rubber seals to protect the bearing from dust or any possible contamination, 6809RS bearings are sealed and self lubricated, the 6809RS inner diameter is 45mm, the 6809RS outer diameter is 58mm and the 6809RS width is 7mm, the quality is set to EMQ (electric motor quality) to ensure high speeds up to 5,500 RPM, 6809RS bearings are lubricated with grease.