NTN Bearing 6207 Single Row Deep Groove Radial Ball Bearing, Normal Clearance, Steel Cage, 35 mm Bore ID, 72 mm OD, 17 mm Width, Open: Amazon.com: Industrial & Scientific
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PAGOW 20 Pack 608 ZZ Ball Bearing, Size Precision of 8 x 22 x 7 mm, Double Rubber Sealed Miniature Bearing-Steel, Deep Groove 608zz Bearings, for Skateboards, Inline Skates, Scooters,3D Printers: Amazon.com:
Heavy duty wheel steel C45 up to 15000 kg
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