Who said Canada do not sell caster wheel, eh? The VXB007075B1 can move your large heavy object. Dia. Measured of the caster wheel in metric standard 75mm which is equal to 2.953" inch with imperial units. Sizes of the caster wheel is 21mm (.827" inch). The caster dimensions heightwise is 93mm/3.661" inch. This wheel mounting is Top Plate with the dimensions of 65mm x 54mm and holes distance of 51mm x 38mm. Low drag was achieved by a Rubber core on a Rubber tire spinning freely with a Delrin bearing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 88 lb with a Swivel and Center Brake type. Ambient temperature range is -40 to 180 F. Order the VXB007075B1 now, just add the quantity to basket and click on Checkout.