Make your life easier, have big objects easier to Maneuver using the VXB009C200BCPU Wheel Caster. 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 75mm=2.953" inch. The caster dimensions heightwise is 275mm/10.827" inch. Mounted via a Top Plate that has the size of 200mm x 153mm Top Plate: 14mm+housing: 10mm and the holes distance of 160mm x 90mm. This caster wheel core material is Cast iron polyurethane and has a Cast iron polyurethane tire spinning over Precision double ball bearing. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 3307 lb with a Swivel type. Environment temperature range is -40 to 180 F. Very important notice, you need to buy the VXB009C200BCPU in order to get one :).