Mounting VXB005100CPU is the Low cost solution of making a project to move around by pushing or pulling. And rolling on wheel that has 100mm diameter/3.937" inch. The wheel has a width of 50mm=1.969" inch. Overall height of the wheel caster is 145mm = 5.709" inch. Mounted via a Top Plate that has the size of 100mm x 115mm and the holes distance of 75mm x 85mm. Low drag was achieved by a Iron core and Polyurethane core on a Iron core and Polyurethane tire spinning freely with a Double ball beaing. Bearing in mind that every caster wheel has the load capacity of 705 lb with a Swivel type. The caster temperature range = -40 to 180 F. Buy our VXB005100CPU, we wish all the best.