The ultimate full ceramic 608 sized bearing.  Features pure Silicon Nitride (Si3N4) outer and inner races as well as full silicon nitride diamond polished balls. ABEC 7. Many applications, but these are the fastest fidget spinner bearing. From ACER Racing: world leaders in ceramic bearing engineering since 1989.

Doesn't get any better than these: plus they are super lightweight and require no lubrication. Try yours today. Price is per one ball bearing. No seals, no lube for the fastest spinner. NOT for use in skates, for 608 Ceramic Skate bearings choose our ultimate skate bearing under eBay item 260823171349

Price is for ONE bearing. 

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