Efficient VXB009C300BFSF makes it feasible to pull and push items instead of transport Wheel dia. is 300mm or 11.811" inch in inches. The wheel has a width of 75mm=2.953" inch. The caster dimensions heightwise is 365mm/14.370" 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. 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 wheel will carry the load of 3307 lb and is Fixed type. Ambient temperature range is -40 to 180 F. FYI, you will need to buy the VXB009C300BFSF in order to get one :).