Who said Canada do not sell caster wheel, eh? The VXB005C100CPUB1 can move your large heavy object. Wheel dia. is 100mm or 3.937" inch in inches. The wheel has a width of 50mm=1.969" inch. The Caster with the wheel from end to end is 150mm = 5.906" inch. Top Plate is the method of installing the caster to your equipment, dimensions are 115mm x 100mm x 6mm with the holes distance of 72mm x 85mm. This caster wheel core made of Cast Iron and Polyurethane and has a Cast Iron and Polyurethane tire spinning over Roller bearing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 661 lb with a Swivel and Center Brake type. The caster wheel temperature range = -40 to 180 F. FYI, you will need to buy the VXB005C100CPUB1 in order to get one :).