4 Pcs 50mm Sliding Gate Wheels, Steel Wheels with U-Groove, U-Groove Wheel for Inverted Track, Industrial Machine, Rolling Door, Load Capacity 300kg

MATERIAL: This U-groove wheel is made of high-quality galvanized steel, strong, waterproof, and anti-corrosion. SIZE: The wheel diameter is 50mm, the inner width of the outer width is 27mm. Suitable for 19mm round tube orbits. LOAD CAPACITY: With a 3mm thick bracket, each U-groove gate wheel can bear a load of 300kg, easy to carry for heavy gates, sliding smoothly and stably. Roller Bearings: Double ball bearings make the sliding stable and smooth, easy to push the gate. PERFECT FOR: Entrance gate, factory gate, sliding fence, dog gate, inverted track, industrial machine, rolling door, container shelf.