Who said Canada do not sell caster wheel, eh? The VXB011150SSPUF can move your large heavy object. Wheel dia. is 150mm or 5.906" inch in inches. The thickness of the wheel is 50mm or 1.969" inch. The height of the wheel caster is 195mm = 7.677" inch. Top Plate is the method of installing the caster to your equipment, dimensions are 100mm x 115mm with the holes distance of 75mm x 85mm. This caster wheel core made of Stainless steel fork and Polyurethane and has a Stainless steel fork and Polyurethane tire spinning over Double ball beaing. Having in mind that every caster wheel has the load capacity of 617 lb with a Fixed type. The Temperature range is -40 to 180 F. FYI, you will need to buy the VXB011150SSPUF in order to get one :).