Low cost solution to the heavy weight objects movement, Wheel casters like our VXB005100ACPUF 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. Dimensions of the caster wheel is 50mm (1.969" inch). Overall height of the wheel caster is 142mm = 5.591" 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. 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 Fixed type. Environment temperature range is -40 to 180 F. Very important notice, you need to buy the VXB005100ACPUF in order to get one :).