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 Maintenance-Free Kingpinless ZFWH Series Swivel Caster with 4" x 2" Nylast High Performance Cast Nylon Wheel with 1/2" Sealed Precision Ball Bearings Hamilton

Hamilton Spinfinity Maintenance-Free Kingpinless ZFWH Series Swivel Caster with 4" x 2" Nylast High Performance Cast Nylon Wheel with 1/2" 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; }

$344.00 USD - $497.68 USD

Status: In Stock

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

PRODUCT CODE: S-ZFWH-4NYB

Product Overview

Hamilton Spinfinity Maintenance-Free Kingpinless ZFWH Series Swivel Caster with 4" x 2" Nylast High Performance Cast Nylon Wheel with 1/2" Sealed Precision Ball Bearings

The Hamilton Caster Part#: S-ZFWH-4NYB is a high-quality and reliable caster designed to offer smooth and efficient mobility for a variety of applications. With a robust load capacity of 2000 lbs, this caster is built to handle heavy loads with ease, making it an ideal choice for industrial settings and other demanding environments.

The Hamilton Caster Part#: S-ZFWH-4NYB is a dependable and versatile heavy-duty caster that offers exceptional load capacity and smooth mobility. Whether you need to move heavy machinery or other substantial loads, this caster is a reliable solution that will get the job done efficiently.

Technical Specs

Swivel or Rigid caster Swivel

Load Capacity (lbs.) @ 3 mph 1000 lbs
Wheel Diameter (in.) 4
Overall Height (in.) 5.625
Swivel Offset (in.) 1.75
Mounting Plate (in.) 4 x 5
Mounting Bolt (in.) 0.375
Caster Color/Finish Crimson Powder
Wheel Type Nylast
Wheel Color/Finish Charcoal Gray
Replacement Wheel W-420-NYB-1/2
Wheel Material @ Tread Nylon
Shipping Weight (lbs.) 10
Caster Rig Type Kingpinless

Key Features

Heavy-Duty Construction: The S-ZFWH-4NYB is constructed with durable materials to ensure long-lasting performance and withstand the rigors of heavy-duty usage. Its sturdy build provides exceptional strength and stability during transportation, even when carrying substantial loads.

Load Capacity: With a maximum load capacity of 2000 lbs, this caster is capable of moving large and heavy items with ease. It ensures reliable and efficient transportation of heavy machinery, equipment, and other weighty materials.

Smooth Mobility: Equipped with high-quality wheels, the S-ZFWH-4NYB guarantees smooth and effortless mobility across various surfaces. Whether on smooth floors or rough terrains, this caster rolls with ease, allowing for efficient maneuverability.

Non-Marking Nylon Wheel: The caster comes with a non-marking nylon wheel that is gentle on floors and surfaces, preventing unsightly marks and scratches during operation. This feature makes it suitable for indoor applications where floor protection is essential.

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?