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 VXB007040F. Dia. Measured of the caster wheel in metric standard 40mm which is equal to 1.575" inch with imperial units. The thickness of the wheel is 17mm or .669" inch. The Caster with the wheel from end to end is 54mm = 2.126" inch. Top Plate is the method of installing the caster to your equipment, dimensions are 45mm x 40mm with the holes distance of 35mm x 28.5mm. The Delrin bearing design will enable the Rubber tire to roll easily with a core made of Rubber. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 44 lb with a Fixed type. Ambient temperature range is -40 to 180 F. Buy the VXB007040F now, we ship on the same day.