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 VXB015160. Dia. Measured of the caster wheel in metric standard 160mm which is equal to 6.299" inch with imperial units. The thickness of the wheel is 40mm or 1.575" inch. The Caster with the wheel from end to end is 240mm = 9.449" inch. is the method of installing the caster to your equipment, dimensions are 100mm x 115mm with the holes distance of 75mm x 85mm. The weehl core material is Rubber and Cast iron core and has a Rubber and Cast iron core tire with a low friction Roller bearing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 287 lb with a Swivel type. The Temperature range is -40 to 180 F. FYI, you will need to buy the VXB015160 in order to get one :).