10Pcs 608ZZ Deep Groove Ball Bearing Double Shield Miniature Bearing Single Row Ball Bearings for Skateboards Inline Skates Scooters. Feature: Efficient Radial Load Support, Durability and Resistance to Heavy Load Deformation, Enhanced Protection from Contaminants, Versatile Applications, Reduced Friction and Optimal Load Distribution. Specification: Origin - Mainland China, Material - Carbon steel, Size - 8x22x7mm/0.31x0.87x0.28in, Quantity - 10pcs. 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. Please allow 1-3mm measuring deviation due to manual measurement.