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RC Car & truck Orange Seal Ceramic bearing 4 packs are the true secret weapon for serious rc racers. ABEC 7 tolerances makes the Orange Seal line the closest precision tolerance that Boca Bearings has to offer. The removable, non-contact rubber seals results in a bearing with less drag and that requires less maintenance than a typical shielded bearing. The Grade 5 ceramic Si3N4 balls will allow the bearing to be lighter and spin 50% faster than a traditional steel bearing. Each size supplied in two different versions. One with AF2 oil for on road or clean environments and NB2 grease for off road or dirty environments. Free seal replacements are supplied upon request. KIT (4) SMR616C-2OS #7 NB2, (6x16x5) MM
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