Tens of thousands of different kinds to select from to have your office Desk/chair sliding easily right and left, install the VXB005200CRB1. Diameter size of the caster wheel has a metric standard 200mm which is equal to 7.874" inch with imperial units. The thickness of the wheel is 50mm or 1.969" inch. The caster dimensions heightwise is 240mm/9.449" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 100mm x 115mm and holes distance of 75mm x 85mm. Low drag was achieved by a Rubber core on a Rubber tire spinning freely with a Roller bearing. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 661 lb with a Side brake type. Temperature range is -40 to 180 F. Buy the VXB005200CRB1 now, just add the quantity to basket and click on Checkout.