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HAMILTON

Hamilton 4" Inferno Kingpinless Swivel Caster - 800 lbs Load

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Product Overview

Hamilton 4" x 2" Inferno Series Kingpinless Swivel Caster - S-HSK-4HNY

Load Capacity: 800 lbs

Top Features

  • Rated up to 550° F.
  • 4" x 2" Scorcher™ Wheel for exceptional performance.
  • 1/2" Roller Bearing with High Heat Grease for optimum functionality.
  • Kingpinless design ensures smooth swiveling.

Experience Hamilton's Superiority

Unveiling the resilience of Hamilton's High Heat HSK Inferno Series - a caster designed specifically for extreme temperatures. Whether your operations demand high heat resistance or smooth maneuverability, this caster promises to deliver optimum performance even in the most challenging environments.

Key Features

Top Features of Hamilton's 4" Inferno Series Swivel Caster - S-HSK-4HNY

Hamilton Excellence | 800 lbs Load Capacity

Distinguishing Features for Extreme Conditions

  • Brand Recognition: Designed by Hamilton, a leader in industrial casters.
  • Optimal Size: Boasts a 4" x 2" structure for enhanced durability.
  • High Load Capacity: Supports up to 800 lbs, ideal for heavy-duty applications.
  • Heat Resilience: Performs flawlessly at temperatures up to 550° F.
  • Superior Wheel: Features the unique Scorcher™ Wheel for optimal mobility.
  • Smooth Movement: Kingpinless design ensures seamless swiveling.
  • Efficient Bearings: Comes with a 1/2" Roller Bearing for smooth transitions.
  • Heat-resistant Grease: Uses special grease to endure high temperatures.
  • User Centricity: Prioritizes ease of use for maximum user satisfaction.
  • Clear Identification: Marked with model number S-HSK-4HNY for easy referencing.
Ordering & Shipping Information

Order processing

In stock. Orders placed before 12pm CT (Mon–Fri) typically ship the same or next business day from our Mansfield, TX warehouse.

Shipping method

Smaller orders ship parcel (UPS/FedEx Ground). Heavy or bulk quantities consolidate to LTL freight. The method and final cost are shown before payment, so there are no post-checkout adjustments.

Payment & procurement terms

Purchase orders — accepted from approved accounts
Net 30 terms — available on approved credit
ACH & all major cards — Visa, MC, Amex, Discover
Tax-exempt — submit your resale/exemption certificate

New to CasterHQ? Open an account or request terms and send your resale or tax-exemption certificate before ordering so it is applied at checkout.

Volume pricing & quotes

Quantity discounts apply automatically — no codes needed. For large, recurring, or custom requirements, request a bulk quote and our team will confirm pricing, lead time, and total landed freight upfront.

Returns & warranty

Stock items carry a 30-day return policy in unused, resalable condition. Made-to-order and custom items are non-returnable once production starts. All products carry the manufacturer's warranty against defects.

Typical transit times after shipment

Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas and freight deliveries may take longer.

Need an exact freight quote or blanket PO?

For pallet freight, scheduled releases, or blanket purchase orders, contact our team and we'll confirm total landed cost before you commit. Direct line: 844-439-4335.

Additional Information

Hamilton 4" Inferno Series Swivel Caster: A Complete Guide

Optimum Performance for High-Heat Environments | Robust Scorcher Wheel Design

Key Benefits & Capabilities

Expertly crafted by Hamilton, the 4" Inferno Series Swivel Caster showcases versatility and resilience, especially in extreme conditions. It embodies Hamilton's dedication to unparalleled quality and state-of-the-art innovation.

Unique Features & Advantages

  • Swivel Design: Enhancing movement and adaptability.
  • 4-inch Durable Wheel: Perfectly balances stability and agility.
  • High-Heat Endurance: Withstands up to 550° F, tailored for challenging scenarios.
  • Signature Scorcher Wheel: Augmented design for superior functioning.
  • Kingpinless Construction: Elevates swivel precision and extends product life.

Technical Data & Dimensions

Overall Height 5.625 inches
Swivel Offset 1.75 inches
Mounting Plate Size 4.5 x 6.5 inches
Wheel Core Material Nylon
Load Capacity @ 550° F 800 lbs

End Thoughts

The Hamilton 4" Inferno Series Swivel Caster stands out as the pinnacle of durability and performance. Designed for demanding industrial and high-heat contexts, this caster is the epitome of reliability, ensuring smooth operations across a spectrum of tasks.

Technical FAQs & Engineering Notes

Application guidance for load margin, wheel materials, and swivel construction. Confirm ratings against your duty cycle, floor, and temperature before final spec.

How do I properly factor the 25% safety margin into a multi-caster cart configuration?

Start with total system weight (payload + structure + fixtures), divide by casters that actually share the load, and keep continuous working load per caster at or below roughly 75% of catalog capacity (~25% margin). Heavy-duty kingpinless frames are often used on uneven floors, docks, and towed trains where dynamic load transfer is common — do not assume perfect four-caster share. If impact, drop-offs, or shock loading is expected, treat the margin as a floor, not a stretch goal, and confirm capacity at the wheel diameter and tread you select on this PDP. Dynamic and side loads are separate from static catalog ratings; call out towing or AGV duty when you quote so we can sanity-check the configuration.

When must an application bypass standard polyurethane and spec high-temperature glass-filled nylon or phenolic wheels?

Stay with polyurethane when floors are relatively smooth, temperatures stay inside the PU service window, and you want floor protection plus rollability. Move to phenolic, glass-filled nylon, or other high-temp / high-hardness options when heat, certain chemicals, or very high point loads push past what standard PU can sustain. Kingpinless construction solves swivel durability under thrust; it does not raise the wheel’s temperature or chemical limit. Use the wheel material and temperature fields on this product (and sibling SKUs) to match the environment — heat duty and side-thrust duty are independent selection axes.

Why do traditional kingpin swivel raceways fail prematurely under towing or AGV side-thrust loads compared to kingpinless alternatives?

Kingpin swivels concentrate clamping and much of the axial stack through one pin. Towing hitches, AGV corrections, and side scrub introduce lateral and moment loads that work that pin and the race faces harder than hand-pushed carts. Typical early wear modes include kingpin stretch or hole elongation, race brinelling, and increasing swivel play. Kingpinless designs replace that single-pin stack with a machined or forged raceway that carries thrust through the race path, which is why they are the usual spec for powered towing and higher side-load industrial carts. Pair kingpinless swivels with a wheel and bearing package rated for the same duty — the swivel upgrade alone does not fix an undersized tread or bearing.

Hamilton S-HSK-4HNY 4
Hamilton S-HSK-4HNY 4" x 2" Scorcher Swivel Kingpinless Caster – 800 lb | CasterHQ

$241.00

Technical Specifications

Specifications

Identification
Part Number / SKUS-HSK-4HNY
Core
Load Capacity800 lbs
Will This Caster Handle Your Load?
Enter your loaded weight — we derate to 3 effective casters on a 4-caster rig, per industry practice for uneven floors.
Rated capacity: 800 lbs per caster. For dynamic loads, towing, or debris-strewn floors, apply additional safety factor · full engineering tools →

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