Up to 350 lbs
Up to 7,000 lbs
Up to 16,000 lbs
Up to 40,000 lbs
Shock absorbing
Outdoor / rough terrain
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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: S-MM2-43D70
Discover the power of the S-MM2-43D70 Hamilton Mini-Mite Low Profile Dual Wheel Swivel Caster. Perfectly designed for high-demand applications, this dual-wheel caster boasts 4" x 3" Polyurethane on Steel Rollers offering both durability and precision movement. The integration of (2) needle thrust bearings & (2) needle roller bearings on a 1" axle ensures maximum load-bearing capacity and smooth transitions, ideal for industrial and commercial settings.
The Hamilton Mini-Mite series redefines efficiency and sturdiness. With its low-profile design, it's not only space-saving but also remarkably efficient in weight distribution. By selecting the S-MM2-43D70, you're investing in a caster that's synonymous with reliability and state-of-the-art engineering.
Evaluating the S-MM2-43D70 for your setup? Our Hamilton Caster Experts are always on standby to provide insights and recommendations. Contact us on weekdays between 8 am - 5 pm and elevate your mobility solutions.
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.
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.
One of the standout features of the Hamilton Mini-Mite is its low profile design. This ensures the caster is not just compact but offers an advantage in spaces where height clearance is a constraint. Its design facilitates smooth navigation and maneuverability, especially in tight spaces often found in industrial settings.
With its dual-wheel construction, the S-MM2-43D70 distributes weight evenly. This translates to better balance, reduced wear and tear, and a longer operational lifespan. Moreover, the use of Polyurethane on Steel Rollers ensures not just durability, but also a smoother movement on a variety of floor surfaces.
The inclusion of dual needle bearings, consisting of both thrust and roller bearings, offers an unparalleled motion fluidity. Paired with a robust 1" axle, the caster can handle significant loads while ensuring the user experiences minimal resistance during movement.
Hamilton is synonymous with top-tier engineering and manufacturing standards. The Mini-Mite series is a testament to this legacy, bringing together cutting-edge design with a focus on practical utility. Whether you're in a commercial warehouse or an industrial factory setting, the S-MM2-43D70 promises to deliver performance that exceeds expectations.
With a fine balance of form and function, the Hamilton Mini-Mite S-MM2-43D70 stands as a beacon of caster innovation. It embodies the ideals of robust construction, user-centric design, and long-term operational efficiency. Choosing Hamilton means investing in reliability and performance that stands the test of time.
$4,102.00
| Wheel Diameter | 4" |
| Wheel Tread Width | 3" |
| Temp Range | -20°F to 180°F |
| Wheel Material | Polyurethane |
| Wheel Core Material | Steel |
| Frame Material | Zinc Plated Steel |
| Rig Type | Swivel |
| Brake Type | No Brake |
Designed for engineers, manufacturers, and material handling professionals
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