Diameter:4”5”6”and 8”
Tread width:2”
Material:red or orange polyurethane on cast iron
Bearing:precision double ball bearing 6203
Top plate size:4″x4-1/2″
Finish:zinc plated
Features:
Round PU wheel material with hardness shore A90,excellent wear-resisting performance, protects your floor from scratches ,providing a smooth, quiet ride.
Cast iron core to support heavy duty application.
The housing made of pressed steel,double ballrace swivel head.
Zinc plated housing increase effectively corrosion resistance.
Double welding to make the housing stonger to support heavy duty use.
Perfect casters for trolley cart,platform cart,heavy duty equipment,garbage container,material handling equipment,heavy duty platform,and so on.