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Hamilton R-ZFMD-1255POYB-ULTRA 12" x 5.5" Poly Rigid Caster – 5000 lb | CasterHQ

Volume discounts applied at checkout
  • 50-99 units: 5% Off
  • 100-199 units: 10% Off
  • 200+ units: 15% Off
Status: Custom Made to Order · 4-6 Weeks Lead
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Custom Made to Order. Built to spec from raw stock. Standard lead time is 4-6 Weeks from PO. Expedite available — call for quote.

PRODUCT CODE: R-ZFMD-1255POYB-ULTRA

Product Overview

Hamilton Spinfinity Maxi-Duty Rigid Caster with 12" x 5.5" Natural Polyurethane (93A Ester) Presson Wheel with 1 1/4" Sealed Precision Ball Bearings


Introducing the Hamilton Caster Part#: R-ZFMD-1255POYB-ULTRA, a heavy-duty caster designed to provide exceptional durability and reliable performance in a wide range of applications. With a staggering capacity of 5000 lbs, this caster is built to handle heavy loads with ease, making it an ideal choice for industrial and commercial settings where robust mobility is crucial.

Crafted with precision and engineered to perfection, the Hamilton Caster Part#: R-ZFMD-1255POYB-ULTRA boasts a host of remarkable features that set it apart from the competition. Its solid construction ensures long-lasting strength and resilience, allowing you to move even the heaviest objects effortlessly. Whether you're transporting equipment, machinery, or other substantial items, this caster delivers unbeatable stability and support.

The innovative design of the Hamilton Caster Part#: R-ZFMD-1255POYB-ULTRA incorporates advanced materials and cutting-edge technology, guaranteeing smooth and seamless maneuverability across various terrains. Its enhanced mobility enables you to navigate through obstacles and tight spaces with minimal effort, facilitating efficient operations and saving valuable time.

Durability meets versatility with this exceptional caster. The Hamilton Caster Part#: R-ZFMD-1255POYB-ULTRA is engineered to withstand the toughest conditions and environments, ensuring reliable performance under heavy usage. Its robust construction and high-quality components make it suitable for industrial applications such as manufacturing plants, warehouses, automotive facilities, and more.
Key Features
  • Impressive 5000 lbs capacity for heavy-duty applications
  • Solid construction for long-lasting strength and durability
  • Smooth and seamless maneuverability across various terrains
  • Enhanced mobility for navigating obstacles and tight spaces
  • Suitable for industrial applications in demanding environments
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?

Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.

Hamilton R-ZFMD-1255POYB-ULTRA 12
Hamilton R-ZFMD-1255POYB-ULTRA 12" x 5.5" Poly Rigid Caster – 5000 lb | CasterHQ

$2,864.00

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Technical Specifications

Wheel Diameter 12"
Wheel Tread Width 5-1/2"
Wheel Capacity 5000 lbs
Temp Range -20°F to 180°F
Wheel Material Polyurethane
Frame Material Zinc Plated Steel
Mount Style Plate
Rig Type Rigid
Brake Type No Brake
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