Specification: 608Z (single sided metal seal); Size: 8*22*7mm
Bearing material: silicon nitride black ceramic ball + special grade steel inner and outer ring
Bearing accuracy: ABEC-11
Number of balls: 7 silicon nitride black ceramic balls
Ball size: 3.969mm
وصف
ball bearing
Precision Si3n4 ceramic balls can withstand higher temperatures and the balls will not expand when the bearing is spinning at very high speeds. This helps to ensure faster speeds and longer bearing life.
Use: For most roller skates speed skates skateboards universal suitable for flat flower braking brush street skateboard.
Package included: 608skb032----16pcs/box