Zero Ceramic 6902 Sealed Cartridge Bearing

Zero Ceramic bearings are the ultimate race day weapon. Oversized Grade 3 balls roll on races which are ground to a mirror finish after receiving Magnetite and then Cryogenic treatments for hardness and longevity, and slippery Silicone seals to produce minimum resistance. FEATURES: VV" type 2-lip non-contact Silicone labyrinth seals Nylon/graphite retainer SPECS: Thickness: 7 Material: Ceramic Bearing O.D. (mm): 28 Manufacturer Number: 6902 Bearing I.D. (mm): 15