Light-duty castor with medium casters, heavy-duty casters distinction method

Light-duty castor: bearing weight of the small 1 inch caster wheel diameter is 25 mm, round 13 mm wide, 10 - load 20 kg1。 32 mm in diameter, 2 inch caster wheel 13 mm wide, 16 - load 35 kg1。 5 'castor 38 mm in diameter, wheel 17 mm wide, 20 - 40 kg2 inch caster wheel diameter of 50 mm, round 22 mm wide, 30 - 60 kg2。 Round 5 inch caster wheel diameter of 65 mm, width 40-27 80 kg3 inch caster wheel diameter is 75 mm, 27 mm wide, 50 - load 100 kg medium casters: bearing medium weight 3 inch caster wheel diameter is 75 mm, round of 32 mm wide, 100 - load 150 kg4 inch caster wheel diameter is 100 mm, round of 32 mm wide, 130 - load 195 kg5 inch caster wheel diameter is 125 mm, round of 32 mm wide, 140 - load 210 kg heavy duty castor, bearing heavy weight 4 inch caster wheel diameter is 100 mm, round 44 - wide 280-50 mm, load Kg5 inch caster wheel diameter of 125 mm, 420 rounds of 44 - wide 350-50 mm, load Kg6 inch caster wheel diameter of 150 mm, 525 rounds of 44 - wide 410-50 mm, load Kg8 inch caster wheel diameter of 200 mm, 615 rounds of 44 - wide 420-50 mm, load More than 630 kg (generally referred to as the heavy-duty casters, bearing capacity is bigger. Overload heavy castor, big load of 150 mm in diameter, 6 inch caster wheel 53 - wide 600-70 mm, load Kg8 inch caster wheel diameter of 200 mm, 900 rounds of 53 - wide 800-70 mm, load Kg10 inch caster wheel diameter of 250 mm, 1200 rounds of 64 - wide 1000-100 mm, load 6000 kg12 inch caster wheel diameter of 300 mm wide, 70 - 1200-120 - mm load 10000 kg14 inch caster wheel diameter of 350 mm wide, 70 - 1500-120 - mm load 12000 kg16 inch caster wheel diameter is 400 mm, 150 mm wide, 10000 kg20 inch caster wheel diameter is 500 mm, width of 150 mm, weight 12000 kg