You might want to see other skateboard bearings. Size: 608,8*22*7 Axle: 8mm Rings: Zro2 Full Ceramic Skateboard Bearing Balls: ZrO2 Ceramic Cage: PTFE or PEEK Seal/Shield: Open or Both sides sealed Class: Full Ceramic Bearings Logo: Can be made as customer's request Packing: One tube of 8pcs Clearance: 8~15 Tolerance Codes: ABEC-1, ABEC-3, ABEC-5, ABEC-7,ABEC-9 Highest Temperature: 356 (degrees fahrenheit) = 180 (degrees Celsius)
