16x608 RS bearings for skateboard - ABEC-9 rolling bearings for longboard and hockeyABEC-9 rating: the higher the rating the better the precision and efficiency and our rating is at the top of the spectrum.<br> Suit for: skateboards, longboards, and roller skates, being compatible with any size wheel. also suitable for spinner toys.<br> Sealing: each ball bearing has two low friction blue single lip rubber seals.<br> All Weathers: these bearings are waterproof, dust and dirt proof and will keep your wheels rolling.<br> Universal Size: 608rs classification with a 8mm core diameter. 22mm outer diameter with a 7mm width.<br> Specification:<br> Diameter: 22mm / 0.86inch<br> Hole Diameter: 8mm / 0.31inch<br> Thickness: 7mm / 0.27inch<br> Package Includes:<br> 16 Pieces Skate Bearings<br> Note:<br> Please allow 1-3mm measuring deviation due to manual measurement.<br> 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!