Four Inch Heavy Duty Caster Wheels Kitted Out With Positive Locking Brakes And Resilient Polyurethane Treads Molded Around Cast Iron Cores Deliver A Whisper Quiet Glide While Handling Four Hundred Pounds Of Gear Without Breaking A Sweat

4-Inch Polyurethane Caster Set With Locking Brakes
✔️ 4 In Polyurethane On Cast Iron 400 Lbs Each Wheel Lock

These heavy-duty caster wheels swap out old rollers for smooth performance. You get a set of four red casters that attach quickly to your projects. They work well for workshop carts, kitchen carts, or heavy trolleys. The polyurethane tread protects floors while you push loads around the garage or warehouse. You will feel how little effort goes into moving the weight.

✅ 4-inch polyurethane wheel with cast iron core handles 400 pounds each
✅ Double ball bearings provide a quiet and mark-free glide
✅ Positive locking brakes keep your cart stationary when needed
✅ Top plate measures 3-5/8 by 2-3/8 inch with 2-3/4 by 1-3/4 inch spacing
✅ Operating range from minus 40°F to plus 160°F suits any shop

💡 Why choose double row ball bearings for industrial caster applications?

Double row arrangements distribute radial stresses more efficiently than single rows.

- Enhanced rigidity prevents shaft misalignment under shock loads

- Extended service life results from optimized lubricant retention zones

- Lower operating temperature ensures consistent torque during sustained movement

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