234-6899, RS PRO, RS PRO S6203-2RS Single Row Deep Groove Ball Bearing- Both Sides Sealed 17mm I.D, 40mm O.D, Brand RS Pro, Inside Diameter 17mm, Outside Diameter 40mm RS PRO S6203-2RS Single Row Deep Groove Ball Bearing- Both Sides Sealed 17mm I.D, 40mm O.D