How to distinguish between the caster wheels, the medium-sized foot wheel, and the heavy foot wheel?
Light Duty Casters: less weight The diameter of the 1-inch caster wheel is 25mm, the wheel width is 13mm, and the load is 10-20kg 1.2-inch foot wheel diameter 32mm, wheel width 13mm, loading 16-35kg 1.5-inch foot wheel diameter 38mm, wheel width of 17mm, 20-40kg2-inch foot wheel diameter 50mm, wheel width 22mm, 30-60kg 2.5-inch foot wheel diameter 65mm, wheel width of 27, 40-80kg The diameter of the 3-inch foot wheel is 75mm, the wheel width is 27mm, and the load is 50-100kg Middle-size foot wheel: moderate load-bearing amount The diameter of the 3-inch foot wheel is 75mm, the wheel width is 32mm, and the load is 100-150kg The diameter of the 4-inch foot wheel is 100mm, the wheel width is 32mm, and the load is 130-195kg The diameter of the 5-inch foot wheel is 125mm, the wheel width is 32mm, and the load is 140-210kg Heavy Duty Casters: large weights The 4-inch foot wheel is 100mm, the wheel width is 44-50mm, and the load is 280-420kg 5-inch foot wheel diameter 125mm, wheel width 44-50mm, load 350-525kg 6-inch foot wheel diameter 150mm, wheel width 44-50mm, loading 410-615kg The diameter of the 8-inch foot wheel is 200mm, the wheels width is 44-50mm, and the load is 420-630kg. Surgery foot wheel: large load capacity 6-inch foot wheel diameter 150mm, wheel width of 53-70mm, loaded 600-900kg The diameter of the 8-inch foot wheel is 200mm, the wheel width is 53-70mm, the load is 800-1200kg 10-inch 10-inch foot wheel diameter 250mm, the wheel width is 64-100mm, and the load is 1000-6000kg 12-inch foot wheel diameter 300mm wheel width 70-120mm load 1200-10000kg 14-inch foot wheel diameter 350mm wheel width 70-120mm load 1500-12000kg 16 -inch foot wheel diameter 400mm, wheel width 150mm, loading 10000kg20 -inch foot wheel diameter 500mm, wheel width 150mm, loading 12000kg 
