8 Skateboard Bearings, 608 Steel ball bearings are high speed solid Ceramic Balls, every bearing has a Steel high speed ball retainer, inside them there are Zirconia fibers 7 Ceramic balls, with a non-contact rubber seal, inner and outer races are made of Steel, 7 balls are made of Ceramic Zirconia fibers, each bearing has 2 non-contact rubber seal to protect the bearing from dust or any possible contamination.

• Type: Skateboard Hybrid Ceramic Bearing
• Item: 608 Skateboard Bearings
• Closures: Rubber Seals
• Type: Sealed Deep groove ball bearings
• Inner & Outer Races: Steel
• Cage: Nylon
• Balls: 7 Zirconia fibers Ceramic balls
• Seals: 2 non-contact rubber seal (could be easily removed and reinstalled)
• Size: 8mm x 22mm x 7mm
• Quantity: 8 Bearings