Who said Canada do not sell caster wheel, eh? The VXB009C200BCPUF can move your large heavy object. Dia. Measured of the caster wheel in metric standard 200mm which is equal to 7.874" inch with imperial units. The wheel has a width of 75mm=2.953" inch. The height of the wheel caster is 275mm = 10.827" inch. This wheel mounting is Top Plate with the dimensions of 200mm x 153mm Top Plate: 14mm+housing: 10mm and 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 could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 3307 lb with a Fixed type. The Temperature range is -40 to 180 F. FYI, you will need to buy the VXB009C200BCPUF in order to get one :).