Up to 350 lbs
Up to 7,000 lbs
Up to 16,000 lbs
Up to 40,000 lbs
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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.
PRODUCT CODE: W-420-125-SSUB-1-2
The Hamilton W-420-125-SSUB-1/2 U-Grooved Wheel showcases the pinnacle of engineering excellence and material quality. Designed for 1 1/4" track diameters, this 4" diameter stainless steel wheel, with a 2" face and 2 1/2" hub length, is equipped with a 1/2" precision ball bearing to ensure smooth, reliable operation in demanding environments. Its stainless steel composition offers unmatched durability and resistance to corrosion, making it ideal for a wide range of industrial applications.
Whether you're navigating the rigors of manufacturing, material handling, or any application requiring precise movement along a track, the Hamilton U-Grooved Wheel is your solution. Its unique U-groove design ensures accurate alignment and smooth motion, while the precision ball bearings reduce friction and wear, extending the life of the wheel.
Designed to meet the needs of a diverse range of industrial applications, this wheel seamlessly integrates into existing systems. Its dimensions and specifications cater specifically to 1 1/4" track diameter requirements, ensuring a perfect fit and optimal performance for your machinery or equipment.
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All pricing and quantity discounts are applied automatically. No promo codes required and no post-checkout price changes.
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Shipping is calculated by order size and weight. Final shipping costs are shown before payment so there are no surprises.
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We support bulk orders, repeat purchases, and fast quotes for larger or custom requirements.
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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.
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.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.
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.
Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.
The W-420-125-SSUB-1/2 model is a testament to Hamilton's commitment to quality and performance. With its 4" diameter, 2" face, and 2 1/2" hub length, it’s designed for precision and durability. The U-Grooved design and 1/2" precision ball bearing ensure smooth and efficient movements, making it a game-changer for heavy-duty industrial applications.
From manufacturing to warehousing, the W-420-125-SSUB-1/2 wheel stands out with its robust construction and capacity to handle demanding environments. Experience the synergy of precision, durability, and performance with every move, ensuring optimal material handling and operational efficiency.
The W-420-125-SSUB-1/2 wheel is made of high-quality stainless steel, ensuring durability and resistance to corrosion. This makes it an excellent choice for applications that require a high level of cleanliness and corrosion resistance.
The U-Grooved design of the W-420-125-SSUB-1/2 wheel enhances wheel grip and control on tracks. This feature is particularly beneficial in applications where precise movement is required.
The 1/2" precision ball bearing of the W-420-125-SSUB-1/2 wheel allows for smooth and efficient movements. This feature reduces friction and ensures effortless operation, even under heavy loads.
Elevate your operational capacity with the Hamilton U-Grooved Stainless Steel Wheel W-420-125-SSUB-1/2. Every feature is engineered with the modern industrial environment in mind, blending cutting-edge innovations and premium materials to exceed the expectations of the most demanding applications.
$417.00
| Wheel Diameter | 4" |
| Wheel Tread Width | 2" |
| Temp Range | -40°F to 180°F |
| Wheel Material | Polyurethane |
| Frame Material | Zinc Plated Steel |
Designed for engineers, manufacturers, and material handling professionals
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