Heavy weight capability and Durability made the wheel casters like the VXB009C150BFS a must use, get your do it yourself object move around from our Toronto biz. Dia. Measured of the caster wheel in metric standard 150mm which is equal to 5.906" inch with imperial units. The thickness of the wheel is 75mm or 2.953" inch. The caster dimensions heightwise is 215mm/8.465" inch. This wheel mounting is Top Plate with the dimensions of 200mm x 153mm Top Plate: 14mm+housing: 10mm and holes distance of 160mm x 90mm. Low drag was achieved by a Cast iron polyurethane core on a Cast iron polyurethane tire spinning freely with a Precision double ball bearing. Each caster wheel will carry the load of 3307 lb and is Swivel type. Ambient temperature range is -40 to 180 F. Order the VXB009C150BFS now, just add the quantity to basket and click on Checkout.