Ultra Heavy Duty 4 Inch Caster Wheels Set Of 4 Tough As Nails Polyurethane On Cast Iron For Smooth Rolling Industrial Carts And Workbenches With Brakes

Heavy Duty 4 Inch Polyurethane Caster Set For Workshop Cart
✔️ Set of four 4 inch polyurethane wheels carrying 1600 pounds capacity

This pack of four caster wheels combines a tough cast iron hub with a grippy polyurethane tread for steady movement across workshop floors and warehouse aisles. These handy rolling mounts handle heavy toolboxes and material racks cleanly without dragging your hands out of alignment.

✅ Twin ball bearing swivel head design cuts push force and reduces floor scuffing
✅ Polyurethane shell bonded to gray iron core delivers quiet operation and chemical resistance
✅ Rigid plate measures three point six two five by two point three seven five inches with four inch wheel diameter
✅ Full setup rides at five point three inches overall height while tolerating temperatures from minus forty to one sixty degrees Fahrenheit

💡 What mounting configuration supports heavy shifting loads without damaging sealed workshop flooring?
- Dual ball bearing raceways distribute radial stress evenly across the wheel axis during tight turns
- Cast iron spider assembly anchors directly under high compression points while polyurethane grip absorbs vibration
- Integrated parking brakes clamp the tire treads firmly against concrete surfaces during static staging

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