ISO 9001:2015 Quality Manufacturing · ANSI ICWM Performance Tested

98.7% On-Time Ship Rate Across All Orders

200,000+ Orders Fulfilled for OEM & MRO Teams Nationwide

100+ Years of Combined Caster Industry Experience

4.8/5 Star Rating | Thousands of Verified Industrial Reviews

Automatic Bulk Pricing | OEM & MRO Volume Discounts Applied at Checkout

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

Hamilton Spinfinity Maxi-Duty Dual Rigid 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; }

$4,034.00 USD

Status: In Stock

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

PRODUCT CODE: R-ZFMDD-1255PORB

Product Overview

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

Introducing the Hamilton Caster Part#: R-ZFMDD-1255PORB, the heavy-duty solution for all your industrial transportation needs. This robust caster is designed to effortlessly handle a staggering weight capacity of 4600 lbs, making it an ideal choice for demanding environments where durability and reliability are paramount.

Crafted with precision engineering and built to last, the Hamilton Caster Part#: R-ZFMDD-1255PORB offers exceptional performance, ensuring smooth and efficient movement of your heavy loads. With its high-quality construction and advanced materials, this caster delivers unparalleled strength and resilience, even under extreme conditions.

Equipped with a state-of-the-art design, the Hamilton Caster Part#: R-ZFMDD-1255PORB guarantees superior maneuverability and easy navigation, allowing you to transport heavy items with minimal effort. Its innovative construction minimizes friction, reducing strain and fatigue on the operator, while maximizing productivity and efficiency.

The Hamilton Caster Part#: R-ZFMDD-1255PORB is engineered to provide optimal stability and support, ensuring that your valuable cargo remains secure throughout the transportation process. Its solid build and reliable performance make it an indispensable tool in a variety of industries, from manufacturing and warehousing to automotive and logistics.

Technical Specs

Swivel or Rigid caster Rigid
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.) 239
Bolt Holes (in.) 7 x 7
Load Capacity (lbs.) @ 10 mph 2800
Load Capacity (lbs.) @ 6 mph 3900
Caster Rig Type Weldment

Key Features

Exceptional weight capacity of 4600 lbs for heavy-duty applications
Precision engineering and durable construction for long-lasting performance
Smooth and efficient movement, even under demanding conditions
Superior maneuverability and easy navigation for enhanced productivity
Minimized friction for reduced strain and fatigue on the operator
Optimal stability and support to keep valuable cargo secure

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?