NTN Bearing 6004 Single Row Deep Groove Radial Ball Bearing, Normal Clearance, Steel Cage, 20 mm Bore ID, 42 mm OD, 12 mm Width, Open: Amazon.com: Industrial & Scientific
Wheel Bearings C3 Clearance ABEC 1 Precision 32mm OD 12mm Bore Single Row ORS 6201 ZZ NR C3 Deep Groove Ball Bearing Double Shielded 10mm Width Steel Cage Accessories Tires & Wheels