NTN Bearing 6001ZZ Single Row Deep Groove Radial Ball Bearing, Normal Clearance, Steel Cage, 12 mm Bore ID, 28 mm OD, 8 mm Width, Double Shielded: Amazon.com: Industrial & Scientific
CNBTR 6001ZZ Silver High Precision Steel Single Row Deep Groove Ball Bearing 12mm ID 28mm OD 8mm Pack of 10: Amazon.com: Industrial & Scientific