Mounting VXB20040HLB is the economoical solution of building project to move around by pushing or pulling. Wheel dia. is 35mm or 1.378" inch in inches. The wheel has a width of 35mm=1.378" inch. The height of the wheel caster is 50mm = 1.969" inch. Mounted via a Top Plate that has a size of 42mm x 42mm and the holes distance of 129mm x 74mm. The Roller bearing design will enable the Polyurethane tire to roll easily with a core made of Polyurethane. Having in mind that every caster wheel has the load capacity of 44 lb with a Swivel and Upper Brake type. Ambient temperature range is -40 to 180 F. Buy the VXB20040HLB now, we ship on the same day.