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4" x 1-1/4" Polyolefin Industrial Replacement Wheel – 350 lb | CasterHQ

Volume discounts applied at checkout
  • 50-99 units: 5% Off
  • 100-199 units: 10% Off
  • 200+ units: 15% Off
Status: In Stock · Ships in 1-3 Business Days
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Typically Ships in 1-3 Business Days. Same-day processing for orders received before 12pm CT (Mon–Fri).

PRODUCT CODE: 414-DPO-82B

Product Overview

Durastar 4" x 1-1/4" Polyolefin Donut Wheel – 350 lbs Capacity with 3/8" Plain Bore


Key Features

  • Wheel Diameter: 4 inches
  • Tread Width: 1-1/4 inches
  • Bore Type: 3/8" Plain Bore for smooth axle fit
  • Material: High-impact polyolefin for long-lasting durability
  • Weight Capacity: Rated to support up to 350 lbs
  • Design: Donut-style tread for enhanced load distribution and mobility
  • Performance: Resistant to water, oils, and common chemicals
  • Application Use: Ideal for carts, dollies, and mobile fixtures in industrial or commercial settings

The Durastar 4" x 1-1/4" Polyolefin Donut Wheel is expertly engineered for durability, performance, and versatility in demanding environments. Crafted from high-impact polyolefin, this wheel resists chemicals, water, and general wear—making it an excellent choice for both indoor and outdoor use.

With a 350 lbs load capacity and a 3/8" plain bore, it offers an ideal balance between strength and maneuverability. The donut-style tread ensures even weight distribution, while the smooth bore allows seamless compatibility with a wide range of axle fittings.

Suited for carts, dollies, mobile racks, and general-purpose equipment, the Durastar Polyolefin Donut Wheel is a go-to solution for those seeking lightweight, corrosion-resistant performance without sacrificing strength or stability.

Dependable Mobility Starts Here

Upgrade your mobility solutions with the Durastar 4" Polyolefin Donut Wheel — designed for durability, reliability, and seamless performance across various commercial and industrial applications.

Key Features

Top 10 Product Features

  1. Durable Polyolefin Construction: High-impact polyolefin offers exceptional resistance to chemicals, moisture, and abrasion.
  2. 4" Wheel Diameter: Standard size ensures smooth rolling and compatibility with a variety of carts and mobile equipment.
  3. 1-1/4" Tread Width: Donut-style tread promotes even weight distribution and reliable floor contact.
  4. 350 lbs Load Capacity: Engineered to support heavy-duty applications in commercial and industrial settings.
  5. 3/8" Plain Bore: Designed for a snug, secure fit with axle systems requiring smooth bore mounting.
  6. Corrosion-Resistant Performance: Ideal for wet, humid, or chemically exposed environments.
  7. Lightweight and Strong: Combines ease of handling with heavy-duty strength for operational efficiency.
  8. Low Rolling Resistance: Promotes effortless mobility and reduces user fatigue in repetitive tasks.
  9. Maintenance-Free Design: No bearings or lubrication required, reducing downtime and upkeep.
  10. Multi-Application Use: Perfect for carts, dollies, material handling racks, and custom mobility projects.
Ordering & Shipping Information

Transparent pricing

All pricing and quantity discounts are applied automatically. No promo codes required and no post-checkout price changes.

Upfront shipping costs

Shipping is calculated by order size and weight. Final shipping costs are shown before payment so there are no surprises.

Business-friendly ordering

We support bulk orders, repeat purchases, and fast quotes for larger or custom requirements.

Real support from product specialists

Need help confirming fit, compatibility, or application? Our team works directly with engineers, maintenance teams, and buyers every day.

Trusted by industrial and commercial customers

CasterHQ supplies casters and wheels for manufacturing, material handling, retail, and distribution environments nationwide.

  • Flat-rate shipping by order size. Final shipping cost shown before payment.
  • No post-checkout shipping adjustments or re-billing.
  • Most orders ship from our Texas headquarters near Dallas.

When will my order ship?

In-stock items typically ship same or next business day. Weekend orders ship Monday or Tuesday unless stated otherwise.

Will shipping cost more at checkout?

Shipping is not free on most orders. Your final shipping cost is shown before payment.

Typical transit times after shipment

Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.

Made-to-order items (lead times)

Some custom products (select Made in USA casters, keyway wheels, drive wheels) are built after purchase and ship on a longer lead time. When applicable, the ship-time estimate is shown on the product page.

Need an exact freight quote for a large order?

Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.

Additional Information

Durastar 4" x 1-1/4" Polyolefin Donut Wheel – 350 lbs Capacity | 3/8" Plain Bore


Engineered for durability, mobility, and performance, the Durastar 4" x 1-1/4" Polyolefin Donut Wheel is the ideal choice for industrial, commercial, and utility cart applications. With its lightweight yet impact-resistant polyolefin construction, this wheel delivers dependable support in a wide range of environments—from warehouses to manufacturing facilities.

Engineered for Performance

This wheel features a donut-style tread that enhances stability and ensures even weight distribution under load. The 1-1/4" tread width and 4" diameter offer a reliable footprint for smooth, controlled mobility. Designed with a 3/8" plain bore, it integrates seamlessly with standard axle assemblies, making it a versatile component for new builds or replacement needs.

Built to Withstand Demanding Conditions

The high-impact polyolefin material provides superior resistance to water, oils, chemicals, and common solvents, ensuring long service life even in harsh operating conditions. Its 350 lbs load capacity allows it to support medium to heavy-duty applications while maintaining structural integrity over time.

Whether you’re outfitting dollies, mobile racks, or service carts, this wheel delivers smooth rolling and minimal maintenance with no bearings to grease or seals to replace.

Ideal for Versatile Applications

Thanks to its lightweight design, chemical resistance, and easy rolling characteristics, the Durastar polyolefin donut wheel is perfect for:

  • Industrial utility carts and dollies
  • Retail and stockroom material handling
  • Food service and janitorial carts
  • Mobile fixtures and custom equipment

Reliable Mobility Starts with Durastar

Trust in a wheel that combines strength, simplicity, and reliability. Choose the Durastar 4" x 1-1/4" Polyolefin Donut Wheel to enhance your mobility systems and reduce downtime across your operations.

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4" x 1-1/4" Polyolefin Industrial Replacement Wheel – 350 lb | CasterHQ

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Technical Specifications

Wheel Diameter 4"
Wheel Tread Width 1-1/4"
Wheel Capacity 350 lbs
Temp Range -20°F to 180°F
Wheel Material Polyolefin
Frame Material Zinc Plated Steel
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