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isscx 10PCS 607ZZ Inner Dia:7mm;OD:19mm;Thickness:6mm;7mm x 19mm x 6mm Deep Groove Ball Bearing Metal Shielded Miniature Ball Bearings Single Row Fit for Skateboard Bearings Hand Spinner Brush Motor: Amazon.com: Industrial & Scientific
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NSK 607ZZ Deep Groove Ball Bearing, Single Row, Double Shielded, Pressed Steel Cage, Normal Clearance, Metric, 7mm Bore, 19mm OD, 6mm Width, 36000rpm Maximum Rotational Speed, 885N Static Load Capacity, 2340N Dynamic