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 VXB20050AL. Dia. Measured of the caster wheel in metric standard 51mm which is equal to 2.008" inch with imperial units. Sizes of the caster wheel is 51mm (2.008" inch). The height of the wheel caster is 257mm = 10.118" inch. Mounted via a Top Plate that has a size of 47mm x 47mm and 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). Each caster wheel will carry the load of 77 lb and is Swivel type. The caster wheel temperature range = -40 to 180 F. Order the VXB20050AL now, just add the quantity to basket and click on Checkout.