Made In China Medium Heavy Duty 4 inches PU Caster Easy Installation Plated Fixed

1.Wheel material: PU 2. Size: 3inch, 3.5inch,4inch,5inch 3. Usage: Hotel Trolley , Cart ,Home 4. Wheel Diameter:75mm,88mm,100mm,125mm 5.Finish: Zinc Plated ( Galvanized ) 6. Installation:Plate Fixed 7. Standard:GB ISO ANSI 8. Certification: ISO9001, SGS, BV 9. Tired width: 30mm for 3inch, 32mm for 3.5inch,4inch,5inch 10.Capacity:105kg for 3inch, 115kg for 3.5inch,135kg for 4inch,145kg for 5inch 11.Bearing: Annular Ball Bearing 12.Medium tire hardness, exlcellet wearable level,Silent, floor protection is very good 13.Galvanied bracket 14.Thinckness of top plate is 3.5-4mm, thinckness of bracket is 2.5-4mm 15.It is widely used in electronics, textile, machinery, medical and other industries