Low cost solution to the heavy weight objects movement, Wheel casters like our VXB009C150BCPUB are used to roll your machine or equipment back and forth. Diameter size of the caster wheel has a 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 caster can be mounted using a Top Plate with the dimensions of 200mm x 153mm Top Plate: 14mm+housing: 10mm and 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. Each caster will carry the load of 3307 lb and is Swivel and Upper Brake type. Environment temperature range is -40 to 180 F. Buy our VXB009C150BCPUB, we wish all the best.