Whatever you are building needed to be on wheels, here come the 5inch-Lock-Swivel-Caster-016. This wheel caster has a wheel diameter of 125mm or 4.921" inch in inches. Dimensions of the caster wheel is 40mm (1.575" inch). The Caster with the wheel from end to end is 165mm = 6.496" inch. Top Plate is the method of installing the caster to your equipment, the dimensions are 110mm x 100mm x 4mm fork:3.5mm with the holes distance of 85mm x 75mm. Low drag was achieved by a Polyurethane and Polypropylene core on a Polyurethane and Polypropylene tire spinning freely with a ball bearing. Each caster will carry the load of 661 lb and is Swivel and Upper Locking type. Temperature range = -40 to 180 F. Buy the 5inch-Lock-Swivel-Caster-016 now, just add the quantity to basket and click on Checkout.