... rail wheel, industrial iron caster wheel, full iron wheel, industrial full iron caster wheel, dome full iron caster wheel, flat-roofed iron wheel, orbit round ... (U, I, V, T type), door wheel Light cast iron caster wheel 3-5 inches. Industrial heavy thickening 4-8 ... inches thick aggravating bearing 1-3 tons of heavy iron wheel, alien iron wheel manufacture.1.Heavy-duty casters wheel frame ...