4" Polyurethane Shopping Cart Caster Wheels - 2 Pack Stepped and Full Tread Face with Double Ball Bearings and Bolts - 500 lbs Total Capacity - Dark Blue Beige

These Shopping Cart Caster Wheels are made of high-quality polyurethane and carbon steel materials, with a load capacity of up to 500 pounds. Measuring 4 inches in diameter, 1.25 inches in width, and with a bore of 3/8", they feature double ball bearings for smooth and quiet operation. These versatile wheels are perfect for various applications, such as shopping carts, warehouse trucks, mobile carts, and furniture carts. They are also resistant to most chemicals, solvents, acids, and oils, making them ideal for any environment. FEATURES:  Durable Materials: Made of high-quality polyurethane and carbon steel, these caster wheels are wear-resistant and can bear up to 250 pounds per wheel. Smooth Running: With a newly upgraded design, these caster wheels offer a stable roller wheel structure and thicker axles for a smooth and quiet running experience, even in tough environments. Easy Installation: Measuring 4 inches in diameter, 1.25 inches in width, and with