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 VXB20040AL. 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 dimensions heightwise is 257mm/10.118" inch. This wheel mounting is Top Plate with the dimensions of 38mm x 38mm and holes distance of 129mm x 74mm. This caster wheel core made of Acrylonitrile Butadiene Styrene (Plastic) and has a Acrylonitrile Butadiene Styrene (Plastic) tire spinning over Roller bearing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 55 lb with a Swivel type. The Temperature range is -40 to 180 F. Buy the VXB20040AL now, we ship on the same day.