3806-2RS rubber Sealed Ball Bearing 30mm x 42mm x 10mm One Bearing 3806-2RS Sealed Ball Bearing is double sealed, angular and deep groove ball bearing. made from durable 52100 alloy steel, commonly known as chrome steel with chrome steel balls and steel cage, and closed with rubber seals to protect the bearing from dust or any possible contamination. Bearing is sealed and self lubricated with grease. 3806-2RS Ball Bearing Deep Groove Angular Ball Bearing Cage: Steel Balls: Chrome Steel Angular Clearance: C0 Material: Chrome Steel Quality: Electric motor quality Closures: Double sealed with rubber seals RS/RS1/2RS1 Lubrication: Pre-lubricated with grease Bearing Size: 30mm x 42mm x 10mm Inner Diameter (ID): 30mm Outer Diameter (OD): 42mm Width: 10mm Quantity: 1 Bearing 3806-2RS Rubber sealed Bearing 30x42x103806-2RS