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 help radial load. -Bearings are made from carbon steel, with durability and resistance to heavy load deformation, and are shielded to forestall lubricants and impurities from entering. -The size of the warehouse makes it appropriate for skateboards, inline skates and scooters, etc. These bearings are provided in units of 20 pieces. -Rolling bearings use rolling elements to preserve the spacing between moving parts to reduce rotational friction and help radial and axial loads. -Rolling bearings have a variety of applications, from agricultural machinery to transportation equipment, robots, dental equipment, elevators, rolling mills, boating waves and aggregate crushers. Specification: Material: Carbon metal Size: 8x22x7mm/0.31x0.87x0.28in Quantity: 20pcs Note: Due to the various video display and lightweight effect, the actual coloration of the thing might be barely diversified from the colour showed on the pictures. Thank you! Please enable 1-3mm measuring deviation because of manual measurement. 20 X Bearings