Heavy weight capability and Durability made the wheel casters like the VXB009C150BFSF 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 with the wheel from end to end is 215mm = 8.465" inch. Top Plate is the method of installing the caster to your equipment, dimensions are 200mm x 153mm Top Plate: 14mm+housing: 10mm with the holes distance of 160mm x 90mm. The weehl core material is Cast iron polyurethane and has a Cast iron polyurethane tire with a low friction Precision double ball bearing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 3307 lb with a Fixed type. The Temperature range is -40 to 180 F. Order the VXB009C150BFSF now, just add the quantity to basket and click on Checkout.