These 4-inch shopping cart caster wheels are made of durable polyurethane and carbon steel materials with a 500-pound load capacity. They feature double ball bearings for smooth and quiet operation, thicker axles, and easy installation. These versatile wheels are suitable for various applications, including shopping carts, furniture carts, warehouse trucks, and trolleys.

FEATURES: 

• High-quality materials: These shopping cart caster wheels are made of selected high-quality polyurethane and carbon steel, ensuring durability, wear resistance, and a long service life.

• Smooth and quiet operation: The caster wheels feature double ball bearings, thicker axles, and stable roller wheel structures, which enable them to run smoothly and quietly, without the annoying noise of traditional shopping wheels that are prone to jamming.

• Easy installation: These shopping cart caster wheels are easy to install, thanks to their design and included nuts.

• Versatile use: These wheels can be used in various applications, including shopping carts, furniture carts, warehouse trucks, and trolleys, making them ideal for both commercial and personal use.

• High load capacity: With a load-bearing capacity of up to 500 pounds, these shopping cart caster wheels can handle heavy loads with ease, making them a reliable choice for transporting goods.

SPECIFICATIONS: