Whatever you are building needed to be on wheels, here come the 5inch-Lock-Swivel-Caster-005. This caster is rolled on a wheel that has 125mm diameter/4.921" inch inches. The thickness of the wheel is 50mm or 1.969" inch. The overall height of the caster is 210mm or 8.268" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 140mm x 108mm and holes distance of 105mm x 75mm. The caster core is made of Polyurethane and Cast iron core and has a Polyurethane and Cast iron core tire with a low friction Ball bearing. 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 and Upper Locking type. Last and not least the temperature range = -40 to 180 F. Enjoy our 5inch-Lock-Swivel-Caster-005, we wish all the best in your project.