8 Skateboard Ceramic Black Bearing Sealed ZrO2 Outer Diameter - 4.921 inch (4.921") KT354027 Needle Roller Bearing Cage

KT354027 Needle Roller Bearing Cage

bearing is Eccentic Locking Collar

Equal Nachi 63102Z

Pack of 1000 Loose Stainless steel 3/8" inch Balls

and reduced rolling resistance

8 Skateboard Ceramic Black Bearing Sealed ZrO2 Outer Diameter - 4.921 inch (4.921") KT354027 Needle Roller Bearing CageSet of 8 Skateboard Black Ball Bearings with Ceramic Balls Skateboard ceramic black bearings set. The set has 8 Bearings 608 Steel ball bearings with high speed solid Ceramic Balls (not painted or filled with Ceramic Material), bearings have high speed ball retainer, inside them there are Zirconia fibers 7 Ceramic balls, with one non contact white rubber seal, inner and outer races are made from high strength Steel, 7 balls are made from high strength