8 Skateboard Bearing Shielded Black Linear Motion Systems - 12mm ✅ Bearing model: UCFL-206-18

✅ Bearing model: UCFL-206-18

The 6003-2RS is a fully ceramic deep groove ball bearing made entirely from Zirconia (ZrO₂) with a PTFE cage and white PTFE seals

inner diameter(bore) is 5/8" inch

6203 Full Ceramic Silicon Nitride Ball Bearing

🟢 Type: Twin block open linear motion slide unit

8 Skateboard Bearing Shielded Black Linear Motion Systems - 12mm ✅ Bearing model: UCFL-206-188 Skateboard Bearings 608ZZ Black Color 2 Metal Shields Set of 8 skateboard bearings, bearings are 8 Deep Groove Radial Ball Bearings,skateboard bearings are closed with Metal Shields,skateboard bearings are made from high strength Chrome Steel,each skateboard bearings has 2 Metal Shields to protect the rolling elements from dust or any possible contamination,also our skateboard bearings are pre lubricated with oil, our skateboard Bearings set are