General description These 8 pieces of ceramic bearings are designed for high-speed performance and wear resistance, making them ideal for skateboard wheels. They feature a high-temperature and corrosion-resistant construction, along with a high-speed nylon cage suitable for demanding environments. The bearings are compact, easy to carry, and simple to install. Technical specifications Bearing type: Hybrid ceramic bearings Shield: Double-sided dust cover Size (Inner x Height): 8 x 22 x 7 mm Material: Mixed material Color: Black + White Measurement allowed error: +/- 1-3 cm Usage Not suitable for jumping or other strong impact actions. Lubricants are not required. Other information Package contents: 8 x Skateboard wheel bearings Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product.