Thousands of different kinds using our Canada based business to select from to have your office Desk/chair sliding easily right and left, install the VXB011200SSPU. Spinning on wheel that has 200mm diameter/7.874" inch. The thickness of the wheel is 50mm or 1.969" inch. The height of the wheel caster is 240mm = 9.449" inch. Top Plate is the method of installing the caster to your equipment, dimensions are 100mm x 115mm with the holes distance of 75mm x 85mm. The Double ball beaing design will enable the Stainless steel fork and Polyurethane tire to roll easily with a core made of Stainless steel fork and Polyurethane. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 661 lb with a Swivel type. The Temperature range is -40 to 180 F. Buy the VXB011200SSPU now, we ship on the same day.