GOIYZTTR 30pcs Bearing Wheel 608 ZZ Both Sides Shielded Skateboard Ball Bearings,Carbon Steel Bearings,Smooth,Long Life,Durable,for Skateboards,Inline Skate, Scooter, Rollerblading Etc/Silver

❶ The ball bearings are made of high-quality carbon steel, with a high-hardness load-resistant shell; anti-rust and wear-resistant, durable, and resistant to deformation even under heavy loads ❷ There are a total of 30 pieces of 608ZZ ball bearings in the package, the dimensions are: inner diameter =8mm, outer diameter =22 mm, thickness =7mm ❸ Deep groove ball bearings are equipped with non-contact detachable protective covers on both sides, which can not only prevent the entry of water and dust, but also achieve the best lubrication effect and ensure the bearing speed and service life ❹ These small ball bearings are pre-lubricated, which is easier to maintain daily; the surface is polished and smooth, the friction is small, the speed is higher, and the heat production is less ❺ Widely used: suitable for skateboards, inline skates and scooters, etc