Certified Where It Matters | Exceeds ICWM Standards • ANSI Tested • NSF Certified • RoHS Compliant

The Most Trusted Source for Industrial Casters | 100,000+ Orders Fulfilled for OEMs & MRO Teams

Products Manufactured in ISO 9001:2015-Certified Facilities | Trusted by OEMs & MRO Teams

In Stock. Ready to Ship. Trusted by Industry Pros.

Caster Specialists Ready to Help | Get Fast Guidance for OEM & MRO Applications

Guaranteed Lowest Pricing on Bulk Orders | Automatic Discounts Applied Instantly at Checkout

Hamilton Spinfinity Maxi-Duty Dual Swivel Caster with 12" x 5.5" Black Rubber Presson Wheel with 1 1/4" Sealed Precision Ball Bearings - | CasterHQ

Hamilton Spinfinity Maxi-Duty Dual Swivel Caster with 12" x 5.5" Black Rubber Presson Wheel with 1 1/4" Sealed Precision Ball Bearings

Volume discounts applied at checkout

50-99 units: 5% Off
100-199 units: 10% Off
200+ units: 15% Off

.price-ui--loading { display: block !important; opacity: 1 !important; }

$5,253.00 USD - $5,292.06 USD

Status: In Stock

Most in-stock items ship same or next business day. Shipping rates shown at checkout.

PRODUCT CODE: S-ZFMDD-1255PORB

Product Overview

Hamilton Spinfinity Maxi-Duty Dual Swivel Caster with 12" x 5.5" Black Rubber Presson Wheel with 1 1/4" Sealed Precision Ball Bearings

Introducing the Hamilton Caster Part#: S-ZFMDD-1255PORB, a heavy-duty powerhouse designed to meet your material handling needs with unparalleled reliability and strength. With its impressive 4600 lbs capacity, this caster is built to tackle even the most demanding tasks with ease.

Crafted with precision engineering, the Hamilton Caster Part#: S-ZFMDD-1255PORB offers exceptional durability and longevity. Its robust construction ensures that it can withstand rigorous use in industrial environments, providing you with a reliable solution for your heavy-duty applications.

Equipped with smooth maneuverability, this caster allows for effortless mobility across various surfaces. Whether you need to transport heavy machinery or bulky loads, the Hamilton Caster Part#: S-ZFMDD-1255PORB provides optimal stability and control, ensuring safe and efficient movement.

Featuring a sleek and modern design, this caster adds a touch of sophistication to your equipment or machinery. Its aesthetic appeal is complemented by its functionality, making it an ideal choice for both practical and aesthetic purposes.

Technical Specs

Swivel or Rigid caster Swivel
Load Capacity (lbs.) @ 3 mph 4600
Wheel Diameter (in.) 12
Wheel Face (in.) 5.5
Overall Height (in.) 15.5
Mounting Plate (in.) 8 1/2 x 8 1/2
Caster Color/Finish Crimson Powder
Wheel Type TerraTech Black Rubber
Wheel Color/Finish Black Rubber on CNC-Machined 1045 Blank
Bearing Type Precision Sealed Ball
Replacement Wheel W-1255-PORB-1-1/4
Wheel Material @ Tread Rubber
Shipping Weight (lbs.) 225
Bolt Holes (in.) 7 x 7
Load Capacity (lbs.) @ 10 mph 2800
Load Capacity (lbs.) @ 6 mph 3900
Caster Rig Type Kingpinless

Key Features

Impressive 4600 lbs capacity for heavy-duty applications.
Durable construction ensures long-lasting performance.
Smooth maneuverability for effortless transportation.
Provides optimal stability and control.
Sleek and modern design enhances the aesthetics of your equipment.

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?