Heavy Duty 4 Inch Caster Wheels Set of 4 With Polyurethane On Cast Iron, Double Ball Bearings, 2 Rigid and 2 Swivel, 1800 Lbs Total Capacity for Carts, Workbenches, Tool Boxes and Equipment

Heavy Duty 4-Inch Caster Set of 4 for Carts and Workbenches
✔️ 4 wheels: 2 swivel, 2 rigid; 450 lb per caster, polyurethane tread

These 4-inch heavy-duty casters are built to move heavy carts, workbenches, tool boxes, and industrial equipment with ease. They are ideal for warehouses, shops, and garages where mobility and floor protection matter.

✅ 450 lb load rating per caster for stable movement on concrete and shop floors
✅ Double ball bearings for smooth rolling under heavy loads
✅ Quiet, vibration-absorbing polyurethane on a cast iron core
✅ Includes 2 swivel and 2 rigid casters for easy steering and straight-line tracking

💡 What is a common question about heavy-duty caster wheels and how they work? This handy answer provides quick guidance.

- How to select the right caster for heavy loads - What makes polyurethane tread good for floors - How double ball bearings reduce friction - When to use swivel vs rigid casters for stability