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

Hamilton Spinfinity Maxi-Duty Swivel 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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$6,820.00 USD - $6,859.06 USD

Status: In Stock

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

PRODUCT CODE: S-ZFMD-1890POYB-ULTRA

Product Overview

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

Introducing the Hamilton Caster ZFMD-1890POYB-ULTRA-the ultimate solution for your heavy-duty industrial mobility needs. This Maxi-Duty Kingpinless Caster is engineered with the highest standards of quality and durability to withstand the toughest environments and support substantial loads with ease.

Built to outperform traditional casters-the Hamilton ZFMD-1890POYB-ULTRA is designed with an innovative kingpinless construction, eliminating the traditional weak point and enhancing the caster's overall strength and stability. This cutting-edge design ensures smooth and reliable movement, even under extreme conditions, making it a reliable choice for demanding industrial applications.

The ZFMD-1890POYB-ULTRA features a robust polyurethane wheel that excels in both indoor and outdoor environments-The durable polyurethane material offers excellent resistance to abrasion, chemicals, and impact, ensuring longevity and reducing maintenance costs. With a diameter of 18 inches and a load capacity of 15,600 lbs, this caster effortlessly supports heavy loads, making it ideal for industrial machinery, heavy equipment, and material handling applications.

Hamilton Caster understands the importance of safety in industrial settings-that's why the ZFMD-1890POYB-ULTRA is equipped with a reliable ultra-precision ball bearing swivel assembly that enables smooth 360-degree rotation. This feature enhances maneuverability and minimizes the risk of accidents caused by sudden jolts or jerks.

Whether you need to transport heavy machinery across a factory floor or navigate obstacles in a warehouse-the ZFMD-1890POYB-ULTRA delivers exceptional performance. Its ergonomic design includes a precision-machined swivel section, heat-treated raceway, and a large diameter ball bearing, all of which contribute to its smooth operation and prolonged service life.

Technical Specs

Swivel or Rigid caster Swivel
Load Capacity (lbs.) @ 3 mph 15,600 lbs
Wheel Diameter (in.) 18
Wheel Face (in.) 9
Overall Height (in.) 21.75
Swivel Offset (in.) 3.25
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.) 406
Bolt Holes (in.) 7 x 7
Caster Rig Type Kingpinless

Key Features

Maxi-Duty Kingpinless design for enhanced strength and stability
Polyurethane wheel for excellent abrasion, chemical, and impact resistance
18-inch wheel diameter for optimal load distribution
Load capacity of 15,600 lbs for heavy-duty applications
Ultra-precision ball bearing swivel assembly for smooth rotation
Ergonomic design with precision-machined swivel section and heat-treated raceway
Large diameter ball bearing for enhanced performance and longevity
Suitable for both indoor and outdoor use
Ideal for industrial machinery, heavy equipment, and material handling applications.

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.

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