Utilizing VXB009200BCPU makes it feasible to pull and push items instead of transport Diameter size of the caster wheel has a metric standard 200mm which is equal to 7.874" inch with imperial units. The wheel has a width of 50mm=1.969" inch. The Caster with the wheel from end to end is 268mm = 10.551" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 138mm x 110mm x 10mm with the holes distance of 110mm x 75mm. The Precision double ball bearing design will enable the Cast iron polyurethane tire to roll easily with a core made of Cast iron polyurethane. Each caster will carry the load of 1543 lb and is Swivel type. The caster temperature range = -40 to 180 F. Very important notice, you need to buy the VXB009200BCPU in order to get one :).