4" 5" 6" 8" heavy duty cast iron caster wheel with double brakes
Housing：
Solid steel welded construction,
zinc plated double ballrace swivel head,
dustproof seal heat treated ballrace,
hardened steel balls
Wheel:
Materials: Cast Iron
Bearing type:Precision double ball bearing
Feature:
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Cast iron wheel, suitable for construction.
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Wildly use in industrial trolley.
Top plate dimension:
European type top plate is available:
Remark: All top plate size can be customized.
