619-0553, RS PRO, RS PRO 6208-2RS Single Row Deep Groove Ball Bearing- Both Sides Sealed 40mm I.D, 80mm O.D, Brand RS Pro, Inside Diameter 40mm, Outside Diameter 80mm RS PRO 6208-2RS Single Row Deep Groove Ball Bearing- Both Sides Sealed 40mm I.D, 80mm O.D