Beefy 4 Inch Polyurethane On Cast Iron Wheel Caster Set With Half Inch Bore Roller Bearings Heavy Duty 3200 Lb Capacity 4 Pack For Carts Dollies Workbenches Shelving And Industrial Trolleys

Durable 4-Inch Polyurethane Caster Wheels on Cast Iron for Heavy Loads
✔️ 4-inch wheels with 1/2-inch bore and 800 lb capacity each, polyurethane tread on cast iron, includes 4-pack set for carts and dollies

These caster wheels combine tough polyurethane treads with a sturdy cast iron base, making them a solid pick for moving heavy gear in warehouses, factories, or on workbenches where smooth rolling is key.

✅ Wheel diameter: 4 inches, axle bore: 1/2 inch, hub length: 2-7/16 inches
✅ Bearing size: 3/4-inch roller, tread width: 2 inches, durometer: 75 Shore A
✅ Temperature range: -40F to 180F, weight capacity per wheel: 800 lbs for 4-inch size
✅ Material: polyurethane on cast iron, color: gray, set includes 4 wheels

💡 How do roller bearings boost performance in industrial wheels like these?
Roller bearings play a big role in making wheels last longer under tough conditions.
- They cut down on friction to keep things rolling smoothly
- They handle heavier loads without wearing out fast
- They work well in high-speed setups for better efficiency
- They require less upkeep, saving time on the job