Up to 350 lbs
Up to 7,000 lbs
Up to 16,000 lbs
Up to 40,000 lbs
Shock absorbing
Outdoor / rough terrain
View All Specialty Casters
Browse all specialty caster types
All measurements indicate the wheel diameter by the tread width.
The below capacity ranges indicate the working (dynamic) load that each caster will support. A safety factor should be included in your formula to determine your required load rating per caster.
W/(C-1)=R W is total weight needed to move. C is total number of casters required. R is ideal load rating, with safety factor built in. Divide the total load weight by one less caster than you will use to safely determine load rating.
Plate dimensions shown are overall mounting plate size.
When replacing existing casters, select the closest plate size and verify bolt-hole compatibility.
BHP = Bolt Hole Pattern, shown under each plate.

The Hamilton W-420-075-FUB-1/2 U-Grooved Wheel is engineered with high-quality 1045 steel for unmatched durability and performance. Designed for 3/4" track diameters, its 4" diameter and 2" face width are optimized for smooth, efficient motion in guided tracks, making it ideal for industrial applications.
Suited for a wide range of environments, this U-Grooved wheel excels in applications requiring precise alignment and stability, including conveyors, track systems, and mobile platforms. Its 2 1/2" hub length and 1/2" precision ball bearing ensure high load capacity and reduced friction for superior performance.
Upgrade your equipment with the Hamilton U-Grooved Steel Wheel for enhanced mobility and productivity. Its robust construction and precision design make it a key component in improving industrial operations. Contact us today to secure your solution for advanced material handling and track-based systems.
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.
The Hamilton U-Grooved 1045 Steel Wheel, model W-420-075-FUB-1/2, stands out with its precision engineering and high-quality construction. Designed for industrial applications, this wheel features a 4" diameter and 2" face, making it ideal for navigating 3/4" track diameters with unmatched efficiency. The 1/2" precision ball bearing ensures smooth operations under heavy loads, supporting up to high weight capacities with ease.
This U-Grooved wheel excels in various industrial settings, including manufacturing lines, warehouse operations, and aerospace applications. Its robust construction and precise design make it a reliable choice for ensuring operational efficiency and enhancing equipment mobility in demanding environments.
Elevate your operational standards with the Hamilton U-Grooved 1045 Steel Wheel. Experience unparalleled durability and performance in your industrial applications. Order now to take the first step towards optimized mobility and efficiency.
$199.00
| Identification | |
| Brand | Hamilton |
| Load & Performance | |
| Temp Range | -20°F to 180°F |
| Materials & Finish | |
| Frame Material | Zinc Plated Steel |
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