If you are looking for a smooth, long spinning bearing for your favorite fidget spinner this is the bearing you are looking for! It is a hybird Silicon Nitride Si3N4 deep groove ball bearing that comes ungreased and ready to spin! We have tested this bearing in a large range of spinners and we have achieved 4+ minute spin times in heavier weighted spinners and 2-3 minutes average spin time in lighter spinners! Perfect full ceramic bearing for your industrial application, skateboard, or fidget spinner toy! Deep groove bearing for support of axial and radial loading. Each bearing comes un-greased and un-caged for maximum spin times. Size 608 bearing measures 22mm OD, 8mm ID and 7mm thickness.
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