Mounting VXB005200ACPUF is the Low cost solution of making a project to move around by pushing or pulling. The wheel diameter is 200mm or 7.874" inch in inches. The wheel has a width of 50mm=1.969" inch. Overall height of the wheel caster is 243mm = 9.567" inch. Mounted via a Top Plate that has the size of 100mm x 115mm and the holes distance of 75mm x 85mm. The Double ball beaing design will enable the Iron core and Polyurethane tire to roll easily with a core made of Iron core and Polyurethane. Bearing in mind that every caster wheel has the load capacity of 882 lb with a Fixed type. The caster temperature range = -40 to 180 F. Very important notice, you need to buy the VXB005200ACPUF in order to get one :).