Low cost solution to the heavy weight objects movement, Wheel casters like our VXB009C150BCPUF are used to roll your machine or equipment back and forth. And rolling on wheel that has 150mm diameter/5.906" inch. Dimensions of the caster wheel is 75mm (2.953" inch). The caster dimensions heightwise is 215mm/8.465" inch. Mounted via a Top Plate that has the size of 200mm x 153mm Top Plate: 14mm+housing: 10mm and 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. Each caster will carry the load of 3307 lb and is Fixed type. The caster temperature range = -40 to 180 F. Very important notice, you need to buy the VXB009C150BCPUF in order to get one :).