7 white ceramic beads
High temperature, corrosion, and wear resistance
High-speed nylon cage, and suitable for highly environments
This bearing Shields on both sides keeping lubricant in and contaminants out.
Small size,,easy to carry and install.

Bearing type: Hybrid ceramic bearings
Shield: double-sided dust cover
608 Bearing Skateboard Dedicated
Colour: black
Material: composite material
Size: 22 x 8 x 7mm

Package Contents:
8 x Skateboard wheel bearings
Notice:
Please do not bear the bearings for jumping or other strong impact actions.
lubricants are not required.