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HAMILTON

Hamilton 12" x 5.5" Rubber Dual Swivel Caster – 4600 lb | CasterHQ

Wheel
12" x 5-1/2"
Capacity
4600 lbs
Mount
Plate
Made to Order · 4-6 Weeks Lead
Quantity
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Volume pricing: 50+ saves 5% · 100+ saves 10% · 200+ saves 15% · fleet orders: request custom pricing

PO Net 30 ACH Tax-Exempt VISA AMEX DISCOVER
Business Purchasing
  • Purchase orders accepted for approved accounts
  • Net 30 terms for qualified businesses
  • ACH, credit card, and tax-exempt ordering
  • Bulk and contract pricing on fleet quantities
Jordan W., Founder Bob C., Director of Sales
Not sure this is the right spec? Jordan (Founder) and Bob (45+ years in casters) review applications before you order.
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Product Overview
At a glance
Load capacity4600 lbs
Wheel12" × 5-1/2" Rubber
MountPlate
TypeSwivel
Temperature-20°F to 180°F

Hamilton Spinfinity Maxi-Duty Dual Swivel Caster with 12" x 5.5" Black Rubber Presson Wheel with 1 1/4" Sealed Precision Ball Bearings


Introducing the Hamilton Caster Part#: S-ZFMDD-1255PORB, a heavy-duty powerhouse designed to meet your material handling needs with unparalleled reliability and strength. With its impressive 4600 lbs capacity, this caster is built to tackle even the most demanding tasks with ease.

Crafted with precision engineering, the Hamilton Caster Part#: S-ZFMDD-1255PORB offers exceptional durability and longevity. Its robust construction ensures that it can withstand rigorous use in industrial environments, providing you with a reliable solution for your heavy-duty applications.

Equipped with smooth maneuverability, this caster allows for effortless mobility across various surfaces. Whether you need to transport heavy machinery or bulky loads, the Hamilton Caster Part#: S-ZFMDD-1255PORB provides optimal stability and control, ensuring safe and efficient movement.

Featuring a sleek and modern design, this caster adds a touch of sophistication to your equipment or machinery. Its aesthetic appeal is complemented by its functionality, making it an ideal choice for both practical and aesthetic purposes.
Key Features
  • Impressive 4600 lbs capacity for heavy-duty applications.
  • Durable construction ensures long-lasting performance.
  • Smooth maneuverability for effortless transportation.
  • Provides optimal stability and control.
  • Sleek and modern design enhances the aesthetics of your equipment.
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

Because of its size and weight, this item typically ships LTL freight on a pallet. Smaller add-on items may ship parcel. Freight cost is calculated by destination and shown before payment, or quoted for large orders.

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.

Frequently Asked Questions

What is the load capacity of this caster?+

This Hamilton S-ZFMDD-1255PORB 12" x 5.5" Rubber Dual Swivel Caster – 4600 lb is rated to 4600 lbs per caster. Size a set by dividing the total load by the number of casters, and for uneven floors assume 3 of 4 casters carry the load. Keep continuous-use loads within about 75-80% of the rating.

What wheel does this caster use?+

This caster runs a Rubber wheel with a 5-1/2" tread width. Rubber absorbs shock and protects floors, and runs quietly, which suits noise-sensitive and light-to-medium duty use.

What plate size and bolt pattern does it use?+

This caster uses a top-plate mount. Measure your existing mounting holes before ordering; if you are replacing casters, match the bolt pattern - most standard patterns interchange across brands.

Is this a swivel or rigid caster, and how does the brake work?+

This is a Swivel caster. Swivel casters rotate 360 degrees for full maneuverability. For most mobile equipment we recommend 2 swivel + 2 rigid, or 4 swivel with at least 2 brakes.

What temperature range can this caster handle?+

Rated for -20°F to 180°F. Operating outside the rated range can reduce wheel life and load capacity, so match it to your environment (wash-down, freezer, oven-adjacent, etc.).

What floors and applications is it best for?+

The Rubber wheel performs best on rough, uneven, or outdoor surfaces such as asphalt, gravel, and cracked concrete. For non-marking or clean-environment needs, ask us about matching tread options.

How do I order, and what are the terms?+

We accept purchase orders and offer Net 30 on approved accounts, ACH, and all major cards, plus tax-exempt ordering with a resale or exemption certificate. Volume discounts apply automatically; request a bulk quote for large or recurring orders. Stock items carry a 30-day return policy in unused condition (made-to-order items are non-returnable once production starts).

Hamilton S-ZFMDD-1255PORB 12
Hamilton S-ZFMDD-1255PORB 12" x 5.5" Rubber Dual Swivel Caster – 4600 lb | CasterHQ

$5,253.00

Technical Specifications

Identification
Brand Hamilton
Dimensions & Mounting
Wheel Diameter 12"
Wheel Tread Width 5-1/2"
Mount Style Plate
Rig Type Swivel
Load & Performance
Wheel Capacity 4600 lbs
Temp Range -20°F to 180°F
Brake Type No Brake
Materials & Finish
Wheel Material Rubber
Frame Material Zinc Plated Steel
Reference Dimensions
12" DIA 5-1/2" WIDE SIDE PROFILE
Wheel12" x 5-1/2"
Wheel MaterialRubber
Illustrative wheel profile drawn to this item's proportions — dimensions are manufacturer specification values. Confirm against the technical table before ordering.
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: 4600 lbs per caster. For dynamic loads, towing, or debris-strewn floors, apply additional safety factor · full engineering tools →

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