608 Full Ceramic Skate bearing that works in all skate applications like skateboard, inline skate, rollerblades, roller hockey,and even the 8mm quad rollers, these bearings can be used inline skate, rollerblade, roller hockey. These bearings can be used for competitions or racings, you will need 8 bearings for skateboards and 16 for all other skate applications. They will be shipped with black or white ceramic balls.

• Item: 608 Skate Ball Bearing
• Type: Full Ceramic Ball Bearing
• Cage: PTFE
• Inner/outer races: ZrO2 (zirconium oxide) Ceramic
• Balls: ZrO2 zirconium oxide ceramic or Silicon Carbide (black balls)
• Size: 8mm x 22mm x 7mm
• Inner Diameter: 8mm
• Outer Diameter: 22mm
• Width: 7mm
• Quantity: One Bearing
• Highest Temperature: 356 F (degrees fahrenheit) = 180 C (degrees Celsius)