Scaffolding Caster PU wheel Hollow Tube Fixing

Wheel Diameter: 150mm, 200mm; Wheel Width 50mm ;
Wheel Material: Polyurethane tread bonded to Cast iron core;
Housing: high strength 5.5 mm thickness steel, Zinc finished;
Load Capacity: 300KG，350KG;
Mounting type: Hollow tube φ60/54×100mm ;
Swivel/Rigid: Swivel;
Brake device: Double Brake;
Wheel Hardness: 93±2 Shore A;
Bearing: Double ball bearing;
Temperature Range: 80℃~-20℃;