234-6887, RS PRO, RS PRO 6901-ZZE Single Row Deep Groove Ball Bearing- Both Sides Shielded 12mm I.D, 24mm O.D, Brand RS Pro, Inside Diameter 12mm, Outside Diameter 24mm RS PRO 6901-ZZE Single Row Deep Groove Ball Bearing- Both Sides Shielded 12mm I.D, 24mm O.D