Low cost solution to the heavy weight objects movement, Wheel casters like our VXB009C300BCPU are used to roll your machine or equipment back and forth. The wheel diameter is 300mm or 11.811" inch in inches. Dimensions of the caster wheel is 75mm (2.953" inch). The caster dimensions heightwise is 365mm/14.370" 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. Bearing in mind that every caster wheel has the load capacity of 3307 lb with a Swivel type. The caster temperature range = -40 to 180 F. Very important notice, you need to buy the VXB009C300BCPU in order to get one :).