Utilizing VXB009C300BFSB makes it feasible to pull and push items instead of transport And rolling on wheel that has 300mm diameter/11.811" inch. Dimensions of the caster wheel is 75mm (2.953" inch). The Caster with the wheel from end to end 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. The Precision double ball bearing design will enable the Cast iron polyurethane tire to roll easily with a core made of Cast iron polyurethane. 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 and Upper Brake type. Temperature range is -40 to 180 F. Very important notice, you need to buy the VXB009C300BFSB in order to get one :).