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 VXB20040BPP2R. Dia. Measured of the caster wheel in metric standard 40mm which is equal to 1.575" inch with imperial units. Sizes of the caster wheel is 40mm (1.575" inch). The Caster with the wheel from end to end is 38mm = 1.496" inch. Mounted via a that has a size of 38mm x 38mm and the holes distance of 129mm x 74mm. The Roller bearing design will enable the Polypropylene tire to roll easily with a core made of Polypropylene. Having in mind that every caster wheel has the load capacity of 55 lb with a Swivel type. Ambient temperature range is -40 to 180 F. Order the VXB20040BPP2R now, just add the quantity to basket and click on Checkout.