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Hamilton Spinfinity Maxi-Duty Rigid Caster with 18" x 9" Natural Polyurethane (93A Ester) Presson Wheel with 2" Sealed Precision Ball Bearings MSRP Hamilton

Hamilton Spinfinity Maxi-Duty Rigid Caster with 18" x 9" Natural Polyurethane (93A Ester) Presson Wheel with 2" Sealed Precision Ball Bearings MSRP

Volume discounts applied at checkout

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

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$6,261.00 USD

Status: In Stock

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

PRODUCT CODE: R-ZFMD-1890POYB-ULTRA

Product Overview

Hamilton Spinfinity Maxi-Duty Rigid Caster with 18" x 9" Natural Polyurethane (93A Ester) Presson Wheel with 2" Sealed Precision Ball Bearings MSRP

Introducing the Hamilton Caster Maxi-Duty Caster-the ultimate solution for your heavy-duty mobility needs. This extraordinary caster is designed to provide unparalleled strength, durability, and maneuverability, making it the perfect choice for industrial applications where heavy loads are involved. With its impressive capabilities and exceptional build quality, this caster is sure to exceed your expectations.

Crafted with precision engineering and built to last-the Maxi-Duty Caster boasts a robust construction that can handle extreme loads with ease. Its kingpinless design eliminates the common weak point found in traditional casters, providing superior strength and stability. You can trust this caster to effortlessly carry heavy machinery, equipment, and materials, even in demanding environments.

The caster features a large 18-inch wheel made from high-quality polyurethane-ensuring smooth and quiet operation while protecting your floors from damage. The wheel is engineered to withstand heavy loads and offers excellent resistance to wear and tear, making it suitable for both indoor and outdoor use.

Installation is a breeze with the caster's plate mount design-which provides a secure and stable attachment to your equipment or platform. The caster is designed for ultra-low mounting height, maximizing stability and minimizing the overall height of your setup.

Invest in the Hamilton Caster Maxi-Duty Caster-and experience the unmatched strength, durability, and reliability it offers. Whether you need to move heavy machinery, industrial equipment, or other substantial loads, this caster is your go-to solution for smooth and efficient mobility.

Technical Specs

Swivel or Rigid caster Rigid
Load Capacity (lbs.) @ 3 mph 15,600 lbs
Wheel Diameter (in.) 18
Wheel Face (in.) 9
Overall Height (in.) 21.75
Mounting Plate (in.) 8 1/2 x 8 1/2
Mounting Bolt (in.) 0.625
Caster Color/Finish Crimson Powder
Wheel Type TerraTech Ultra
Wheel Color/Finish Natural Poly on CNC-Machined 1045 Blank
Bearing Type Precision Sealed Ball
Replacement Wheel W-1890-POYB-ULTRA-2
Wheel Material @ Tread Polyurethane
Shipping Weight (lbs.) 386
Bolt Holes (in.) 7 x 7
Caster Rig Type Weldment

Key Features

Extra-heavy-duty construction for extreme load capacity
Weldment design for superior strength and stability
18-inch polyurethane wheel for smooth and quiet operation
Excellent resistance to wear and tear
Suitable for indoor and outdoor use
Precision-machined, swivel double-ball bearing for effortless rotation
Grease zerk fitting for easy maintenance
Plate mount design for secure attachment
Ultra-low mounting height for enhanced stability
Ideal for heavy machinery, industrial equipment, and substantial loads

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?