Who said Canada do not sell caster wheel, eh? The VXB20050ALT1B-S can move your large heavy object. Wheel dia. is 50mm or 1.969" inch in inches. The wheel has a width of 50mm=1.969" inch. The height of the wheel caster is 257mm = 10.118" inch. is the method of installing the caster to your equipment, dimensions are 47mm x 47mm with the holes distance of 129mm x 74mm. The Roller bearing design will enable the Acrylonitrile Butadiene Styrene (Plastic) tire to roll easily with a core made of Acrylonitrile Butadiene Styrene (Plastic). Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 77 lb with a Swivel and Upper Brake type. Ambient temperature range is -40 to 180 F. Order the VXB20050ALT1B-S now, just add the quantity to basket and click on Checkout.