Bearing
Model No. : 608RS hybrid skateboard bearing
Ball Material: ceramic (Zirconia)
Ring: Chrome steel
Cage: TN
Sealing: one side rubber sealed
Lubrication: ceramic balls are self-lubricating, so no need grease for lubrication.
Dimensions:
Inner diameter: 8mm
Outer diameter: 22mm
Width: 7mm
Grade: ABEC-9
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Hign-concerned Chemical :