20-Pack 608 Full Ceramic Si3N4 Open Skate Bearings

608 Full Ceramic Skate Bearings - Open Design
✔️ 8mm ID - 22mm OD - 7mm Wide

This wholesale 20-pack of 608 full ceramic bearings is designed for maximum speed and zero corrosion. Made entirely from silicon nitride with a PTFE cage, these open-style bearings are perfect for serious skate enthusiasts, clean environments, or high-speed tools needing low rolling resistance and high heat tolerance.

✅ Type: Full ceramic ball bearings (open)
✅ Inside diameter: 8mm
✅ Outside diameter: 22mm
✅ Width: 7mm
✅ Balls: Silicon nitride (Si3N4)
✅ Inner/outer races: Silicon nitride (Si3N4)
✅ Cage: PTFE (Polytetrafluoroethylene)
✅ Size: 8 x 22 x 7 mm
✅ Quantity: 20 bearings
✅ Best for: Skateboards, inline skates, cleanroom and lab equipment
✅ Bearing style: Open (no seals)

💡 What’s the advantage of open-style full ceramic bearings?

They offer less friction for higher speeds - perfect for racing and dry conditions.
No metal = no rust, and they’re non-magnetic and thermally stable.
Ideal for pro skaters and extreme-performance machinery.

If you want raw speed and precision without compromise - grab this 20-pack and feel the difference!