Premium quality wheel bearing as used on the Jitsie wheels.Features:* made from chrome steel* pre-lubricated with grease* rubber seals on both sides to protect against dust, water and dirtBE6000-2RS* outside diameter: 26mm* inside diameter: 10mm* thickness: 8mm6800-2RS* outside diameter: 19mm* inside diameter: 10mm* thickness: 5mm6900-2RS* outside diameter: 22mm* inside diameter: 10mm* thickness: 6mm