Who said Canada do not sell caster wheel, eh? The VXB005200FPF can move your large heavy object. Wheel dia. is 200mm or 7.874" inch in inches. The wheel has a width of 45mm=1.772" inch. The caster dimensions heightwise is 241mm/9.488" inch. This wheel mounting is Top Plate with the dimensions of 100mm x 115mm and holes distance of 75mm x 85mm. Low drag was achieved by a co-polypropylene core on a co-polypropylene tire spinning freely with a Double ball beaing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 772 lb with a Fixed type. The caster wheel temperature range = -40 to 180 F. Buy the VXB005200FPF now, we ship on the same day.