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
6001 2RS MAX / 6001VRS / 6001 LLU MAX Ball Bearing Full Ball Bearing 12 x 28 x 8 mm ABEC3 Industrial Bearing 6001RS : Amazon.de: Sports & Outdoors
uxcell 606-2RS Deep Groove Ball Bearing 6mm x 17mm x 6mm Double Sealed High Carbon Steel Z1 Bearings 8pcs: Amazon.com: Industrial & Scientific