Tens of thousands of different kinds to select from to have your office Desk/chair sliding easily right and left, install the VXB005100BAPUB1. Diameter size of the caster wheel has a metric standard 100mm which is equal to 3.937" inch with imperial units. The thickness of the wheel is 50mm or 1.969" inch. The caster dimensions heightwise is 142mm/5.591" inch. Mounted via a Top Plate that has the size of 115mm x 100mm and the holes distance of 72mm x 85mm. Low drag was achieved by a Aluminum and Polyurethane core on a Aluminum and Polyurethane tire spinning freely with a Double ball beaing. Bearing in mind that every caster wheel has the load capacity of 661 lb with a Side Brake type. The caster temperature range = -40 to 180 F. Buy the VXB005100BAPUB1 now, just add the quantity to basket and click on Checkout.