Whatever you are building needed to be on wheels, here come the 6inch-Swivel-Caster-003. This wheel caster has a wheel diameter of 150mm or 5.906" inch in inches. The thickness of the wheel is 50mm or 1.969" inch. The caster dimensions heightwise is 195mm/7.677" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 100mm x 115mm and holes distance of 75mm x 85mm. The caster core is made of Stainless steel fork and Polyurethane and has a Stainless steel fork and Polyurethane tire with a low friction Double ball beaing. Here come the maximum load that should be applied on every wheel, remember to add safety factor, when calculating the load capacity 617 lb with a Swivel type. The temperature range is -40 to 180 F. Enjoy our 6inch-Swivel-Caster-003, we wish all the best in your project.