Who said Canada do not sell caster wheel, eh? The VXB20040NYS1B can move your large heavy object. Wheel dia. is 42mm or 1.654" inch in inches. The wheel has a width of 42mm=1.654" inch. The height of the wheel caster is 38mm = 1.496" inch. This wheel mounting is with the dimensions of 34mm x 34mm and holes distance of 129mm x 74mm. The weehl core material is Nylon and has a Nylon tire with a low friction Roller bearing. Each caster wheel will carry the load of 55 lb and is Swivel and Upper Brake type. Ambient temperature range is -40 to 180 F. Buy the VXB20040NYS1B now, we ship on the same day.