Tens of thousands of different kinds to select from to have your office Desk/chair sliding easily right and left, install the VXB005150FP. The wheel diameter is 150mm or 5.906" inch in inches. The wheel has a width of 45mm=1.772" inch. The caster dimensions heightwise is 191mm/7.520" 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. The weehl core material is co-polypropylene and has a co-polypropylene tire with a low friction Double ball beaing. Each caster will carry the load of 661 lb and is Swivel type. The caster temperature range = -40 to 180 F. Buy the VXB005150FP now, just add the quantity to basket and click on Checkout.