20pcs 608ZZ Ball Bearings Carbon Steel Single Row 8x22x7mm ABEC-7 Deep Groove Miniature Bearings for Skateboard Scooter Feature: -Miniature ball bearing 8x22x7mm 608ZZ is a single row bearing used to support radial load. -Bearings are made of carbon steel, with durability and resistance to heavy load deformation, and are shielded to prevent lubricants and impurities from entering. -The size of the warehouse makes it suitable for skateboards, inline skates and scooters, etc. These bearings are supplied in sets of 20 pieces. -Rolling bearings use rolling elements to maintain the spacing between moving parts to reduce rotational friction and support radial and axial loads. -Rolling bearings have a wide range of applications, from agricultural machinery to transportation equipment, robots, dental equipment, elevators, rolling mills, boating waves and aggregate crushers. Specification: Material: Carbon steel Size: 8x22x7mm/0.31x0.87x0.28in Quantity: 20pcs Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3mm measuring deviation due to manual measurement. 20 X Bearings