
MATERIAL: This U groove wheel is made of high quality galvanized steel, strong, waterproof and corrosion resistant SIZE: The diameter of the wheel is 50mm, the inner width of the wheel is 22mm, the outer width is 27mm, suitable for 19mm round tube orbital track LOAD CAPACITY: With 2.7mm thick bracket, each U groove gate wheel can bear 300kg load, easy to bear for heavy gates, sliding smoothly and stably ROLLER BEARING: Double ball bearings make the sliding stable and smooth, easy to slide the gate PERFECT FOR: Entrance gate, factory gate, sliding fence, dog gate, reverse track, industrial machine, rolling gate, container rack