Low cost solution to the heavy weight objects movement, Wheel casters like our VXB005100ACPU are used to roll your machine or equipment back and forth. Diameter size of the caster wheel has a metric standard 100mm which is equal to 3.937" inch with imperial units. The wheel has a width of 50mm=1.969" inch. The Caster with the wheel from end to end is 142mm = 5.591" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 100mm x 115mm with 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 617 lb with a Swivel+Brake+Fixed type. The caster temperature range = -40 to 180 F. Buy the VXB005100ACPU now, just add the quantity to basket and click on Checkout.