Specialty Casters
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Skid Wheels & Casters for RVs
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Shopping Cart Wheels & Casters
Band Equipment Casters & Wheels
Low Profile Casters
Cart Wheels & Casters
Toolbox Caster Sets
Bakery & High Temperature Casters
Kitchen Prep Table Caster Sets
Wire Shelving Casters
Silent Glide Casters
Engineered for efficiency and reliability, the Durastar 4" x 1-1/4" Polyolefin Wheel is a go-to solution for industrial and commercial users seeking strength and performance in a compact design. With a high-strength polyolefin composition, this wheel offers excellent resistance to impacts, chemicals, and moisture—ensuring long-lasting use even in demanding environments.
The 3/8" plain bore design provides compatibility with a wide range of axle types and hardware, making it an adaptable choice for custom assemblies and replacement needs. With a 300-pound load capacity, this wheel excels in medium-duty applications across warehouses, assembly lines, retail equipment, and utility carts.
Backed by Durastar’s reputation for quality manufacturing, this polyolefin wheel delivers smooth, consistent performance with minimal maintenance. Its non-marking tread ensures protection for floors while maintaining ease of maneuverability on a variety of surfaces.
Enhance your mobility solutions with the trusted durability of Durastar wheels. Designed for reliability, precision, and ease of use—perfect for industries that demand performance and value.
Order processing
In stock. Orders placed before 12pm CT (Mon–Fri) typically ship the same or next business day from our Mansfield, TX warehouse.
Shipping method
Smaller orders ship parcel (UPS/FedEx Ground). Heavy or bulk quantities consolidate to LTL freight. The method and final cost are shown before payment, so there are no post-checkout adjustments.
Payment & procurement terms
New to CasterHQ? Open an account or request terms and send your resale or tax-exemption certificate before ordering so it is applied at checkout.
Volume pricing & quotes
Quantity discounts apply automatically — no codes needed. For large, recurring, or custom requirements, request a bulk quote and our team will confirm pricing, lead time, and total landed freight upfront.
Returns & warranty
Stock items carry a 30-day return policy in unused, resalable condition. Made-to-order and custom items are non-returnable once production starts. All products carry the manufacturer's warranty against defects.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas and freight deliveries may take longer.
For pallet freight, scheduled releases, or blanket purchase orders, contact our team and we'll confirm total landed cost before you commit. Direct line: 844-439-4335.
Experience long-lasting performance and reliability with the Durastar 4" x 1-1/4" Polyolefin Wheel, a medium-duty wheel designed for optimal strength and functionality in industrial and commercial environments. With a 300 lb load capacity and a 3/8" plain bore, this wheel offers a seamless blend of strength, ease of use, and maintenance-free operation.
The polyolefin construction provides exceptional resistance to chemicals, moisture, and impact, making it ideal for facilities where durability is non-negotiable. Its non-marking surface ensures clean floors, while the 4" diameter and 1-1/4" tread width deliver smooth, stable performance even when carrying substantial weight.
The 3/8" plain bore is engineered for hassle-free installation, making it an excellent choice for equipment maintenance or custom builds. Whether you're upgrading carts, fixtures, or material handling systems, this wheel is versatile enough to meet a wide range of operational demands.
Durastar is a trusted name in mobility solutions, known for delivering high-performance components that stand up to daily use in demanding environments. This 4" polyolefin wheel reflects Durastar’s commitment to quality, featuring rugged design, consistent performance, and a value-focused build.
Choose the Durastar 4" x 1-1/4" polyolefin wheel for a dependable, maintenance-free solution that delivers performance where it matters most. Upgrade your equipment with a wheel built for strength, safety, and efficiency.
This 4" x 1-1/4" Polyolefin Wheel Industrial Replacement Wheel – 300 lb is rated to 300 lbs per wheel. Divide the total load across the number of wheels in your rig and keep working loads within about 75-80% of the rating for continuous use.
This is a Polyolefin wheel. Polyurethane protects finished floors, rolls quietly, and resists most chemicals while carrying heavy loads.
4" diameter x 1-1/4" tread width. Verify your axle diameter and hub/bore length against your existing wheel before ordering.
Yes. Most wheels can be paired with a swivel or rigid rig to build a complete caster. Tell us your mount and load and we will spec the rig - request it on our bulk pricing page.
Rated for -20°F to 180°F. Operating outside the rated range can shorten wheel life and reduce capacity.
We accept purchase orders and offer Net 30 on approved accounts, ACH, and all major cards, plus tax-exempt ordering with a resale or exemption certificate. Volume discounts apply automatically; request a bulk quote for large or recurring orders. Stock items carry a 30-day return policy in unused condition (made-to-order items are non-returnable once production starts).
$12.00
| Identification | |
| Brand | Durastar |
| Dimensions & Mounting | |
| Wheel Diameter | 4" |
| Wheel Tread Width | 1-1/4" |
| Load & Performance | |
| Wheel Capacity | 300 lbs |
| Temp Range | -20°F to 180°F |
| Materials & Finish | |
| Wheel Material | Polyolefin |
| Frame Material | Zinc Plated Steel |
4" x 1.25" Polyurethane Swivel Caster – 300 lb | 1/2" x 1.5" Stem | CasterHQ
4" x 1-1/4" · 300 lbs
$23
4" x 1.5" Polyurethane Swivel Caster – 300 lb | 1/2" x 1.5" Stem | CasterHQ
4" x 1-1/4" · 300 lbs
$23
4" Polyurethane Swivel Caster – 300 lb | 1/2" x 1-1/2" Threaded Stem | CasterHQ
4" x 1-1/4" · 300 lbs
$23
View all 4′ x 1-1/4′ casters & wheels →
Your selection is highlighted. Every option shares its wheel size and mount; a Direct fit tag means the same mounting plate — a drop-in replacement. Step up or down in load rating, all in-stock.
| Casters (in stock) | Load capacity | Wheel | Type | Overall height | Price | |
|---|---|---|---|---|---|---|
| 250 lbsLighter duty | 4" × 1-1/4"Gray Rubber | Swivel with Total Lock Brake + brake | — | $24.00 | View → | |
| 260 lbsLighter duty | 4" × 1-1/4"Polyurethane | Swivel | 4-1/8" | $14.00 | View → | |
| 300 lbs | 4" × 1-1/4"Polyolefin | — | — | $12.00 | Viewing | |
| 300 lbsSame capacity | 4" × 1-1/4"Polyurethane | Swivel | 5-1/8" | $23.00 | View → | |
| 300 lbsSame capacity | 4" × 1-1/4"Polyurethane | Swivel | 5-1/8" | $23.00 | View → |
