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18 Inch x 9 Inch Hamilton Spinfinity Maxi-Duty Swivel Caster - Black Rubber Wheel | 2 Inch Sealed Bearings Hamilton

18 Inch x 9 Inch Hamilton Spinfinity Maxi-Duty Swivel Caster - Black Rubber Wheel | 2 Inch Sealed Bearings

Volume discounts applied at checkout

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

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$5,304.00 USD - $5,343.06 USD

Status: In Stock

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

PRODUCT CODE: S-ZFMD-1890PORB

Product Overview

Hamilton Spinfinity Maxi-Duty Swivel Caster with 18" x 9" Black Rubber Presson Wheel with 2" Sealed Precision Ball Bearings

Introducing the Hamilton Caster Maxi-Duty Kingpinless Caster - the ultimate solution for heavy-duty applications!-With its exceptional durability and unmatched performance, this caster is designed to withstand the toughest environments and handle heavy loads with ease. Whether you need to move industrial machinery, large equipment, or other heavy items, the Hamilton Maxi-Duty Kingpinless Caster is the perfect choice to ensure smooth and reliable transportation.

This caster is expertly engineered by Hamilton Caster-a renowned leader in the industry, known for producing top-quality products. The Maxi-Duty Kingpinless Caster is built to deliver exceptional strength, stability, and longevity, making it an ideal option for demanding industrial settings, manufacturing facilities, warehouses, and more.

Featuring a kingpinless design-this caster offers superior swiveling capabilities, allowing for effortless maneuverability and precise steering. It eliminates the common problems associated with traditional kingpin casters, such as binding, swivel failure, and premature wear. With the kingpinless construction, you can rely on smooth and reliable performance, even under heavy loads and challenging conditions.

Crafted from premium materials-the Maxi-Duty Kingpinless Caster boasts outstanding load-bearing capacity, ensuring it can handle extreme weights without compromising its structural integrity. Its robust construction, combined with precision engineering, guarantees exceptional durability, reducing the need for frequent replacements and saving you both time and money in the long run.

Technical Specs

Swivel or Rigid caster Swivel
Load Capacity (lbs.) @ 3 mph 8,500 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 Black Rubber
Wheel Color/Finish Black Rubber on CNC-Machined 1045 Blank
Bearing Type Precision Sealed Ball
Replacement Wheel W-1890-PORB-2
Wheel Material @ Tread Rubber
Shipping Weight (lbs.) 406
Bolt Holes (in.) 7 x 7
Caster Rig Type Kingpinless

Key Features

Kingpinless design for effortless maneuverability and precise steering
Exceptional load-bearing capacity for heavy-duty applications
Premium materials and robust construction for unmatched durability
Smooth and reliable performance under challenging conditions
Suitable for industrial machinery, large equipment, and heavy items
Ideal for demanding industrial settings, manufacturing facilities, and warehouses

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?