3" 4" 5" cast iron core pu single wheel with double ball bearing for medium duty casters or machines.
Size: 2.5' 3" 4" 5"
Load Capacity: 80kg, 100kg, 120kg, 150kg
Soft and Eco-Friendly Thermoplastic rubber TPR wheels with 6" and 8" , Double welding housing brings 507lbs to 705lbs load capacity. Rubber and Nylon caster wheels material is workable.