100 Bearings. 608RS Carbon Steel ball bearings. These bearings have built-in rubber seals in order to protect the moving elements from dust or any possible contamination, the color of cage could be different, these are self lubricated bearings (bearings are already lubricated with Greased),

• Item: 608-2RS Skateboard Bearings
• Type: Deep Groove Ball Bearings
• Inner & Outer Races:Carbon Steel
• Cage: Carbon Steel
• Balls: 7 Carbon steel balls
• Closures: rubber seals (could be easily removed and reinstalled)
• Quantity: 100 Bearings
• Dynamic load rating Cr: 3,300 N
• Static load rating Cor: 1,350 N
• Limiting Speed:
  • Grease Lubrication: 34,000 RPM
• Size: 8mm x 22mm x 7mm
• Inner Diameter: 8mm
• Outer Diameter: 22mm
• Width: 7mm
• Common application: Skateboard, inline skate and rollerblades
• Seal color may vary