Model: 681ZZ. 100pcs 681ZZ Ball Mini Bearings. Miniature ball Bearings Fit for Skateboard Ball Bearings in Skateboard Bearings, 3D Printer RepRap Wheel, RollerSkates, Inline Skates. Ball bearings are used for high precision applications in a variety of markets, including aerospace, agriculture, construction, health, machine tool and general industry.
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