2 Pieces Ball Bearing 6001Rs 28mm x 12mm x 8mm Scooter: Amazon.com: Industrial & Scientific
NTN Bearing 6001 Single Row Deep Groove Radial Ball Bearing, Normal Clearance, Steel Cage, 12 mm Bore ID, 28 mm OD, 8 mm Width, Open: Amazon.com: Industrial & Scientific
Amazon.com: WPHMOTO 2PCS Deep Groove Ball Bearing 6001RS 12 x 28 x 10mm for Go Kart : Automotive
NTN Bearing 6001 Single Row Deep Groove Radial Ball Bearing, Normal Clearance, Steel Cage, 12 mm Bore ID, 28 mm OD, 8 mm Width, Open: Amazon.com: Industrial & Scientific