Up to 350 lbs
Up to 7,000 lbs
Up to 16,000 lbs
Up to 40,000 lbs
Shock absorbing
Outdoor / rough terrain
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All measurements indicate the wheel diameter by the tread width.
The below capacity ranges indicate the working (dynamic) load that each caster will support. A safety factor should be included in your formula to determine your required load rating per caster.
W/(C-1)=R W is total weight needed to move. C is total number of casters required. R is ideal load rating, with safety factor built in. Divide the total load weight by one less caster than you will use to safely determine load rating.
Plate dimensions shown are overall mounting plate size.
When replacing existing casters, select the closest plate size and verify bolt-hole compatibility.
BHP = Bolt Hole Pattern, shown under each plate.
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Introducing the Hamilton Spinfinity S-ZFFM-83MB - a flagship member of the revered ZFFM Series. Engineered for those who don't compromise on quality, this swivel caster promises unmatched performance and longevity.
Break free from the limitations of traditional casters. The kingpinless design of the S-ZFFM-83MB ensures increased strength, longevity, and resilience against wear and tear - a true hallmark of Hamilton's innovation.
With an 8" x 3" wheel constructed from premium cast iron, expect robustness that stands the test of time. This metal wheel is designed to tackle challenging terrains, making mobility a breeze in any environment.
Experience movement like never before. The sealed precision ball bearings guarantee reduced friction and smooth operations. Whether you're in a warehouse or a factory, the S-ZFFM-83MB ensures every move is effortless.
Save on time and costs. Hamilton's commitment to quality is evident in the maintenance-free design of this swivel caster. Stay focused on what truly matters - efficient operations and seamless productivity.
Choose the Hamilton Spinfinity S-ZFFM-83MB Swivel Caster. Choose excellence in mobility.
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
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.
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.
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.
When it comes to industrial-grade swivel casters, the Hamilton Spinfinity S-ZFFM-83MB is in a league of its own. As a paramount member of Hamilton's distinguished ZFFM Series, this product encapsulates innovation, quality, and unparalleled performance.
This unique swivel caster has been meticulously designed keeping both functionality and durability at the forefront. Here's an in-depth look into what makes it stand out:
Steer clear of the shortcomings of traditional casters. Hamilton's kingpinless feature ensures the caster remains resilient against rigorous wear, while also promising augmented strength and an extended lifespan.
The inclusion of 3/4" sealed precision ball bearings facilitates reduced friction, ensuring each movement is as seamless as the last. This makes it ideal for warehouses, manufacturing units, and various industrial settings.
The S-ZFFM-83MB swivel caster showcases Hamilton's commitment to quality and convenience. Its maintenance-free nature ensures you save on both time and costs, allowing you to concentrate on what truly matters - achieving optimal productivity.
The Hamilton Spinfinity S-ZFFM-83MB Swivel Caster isn't just another product in the market - it's a testament to Hamilton's expertise and commitment to excellence. Opt for this swivel caster, and pave the way for a smoother, more efficient operational experience.
This caster runs a Cast Iron wheel with a 3" tread width. Steel / iron wheels give maximum capacity and durability on smooth, hard industrial floors and tolerate heat.
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.
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.
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.).
The Cast Iron wheel performs best on smooth, hard industrial floors. For non-marking or clean-environment needs, ask us about matching tread options.
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).
$365.00
| Identification | |
| Brand | Hamilton |
| Dimensions & Mounting | |
| Wheel Diameter | 8" |
| Wheel Tread Width | 3" |
| Mount Style | Plate |
| Rig Type | Swivel |
| Load & Performance | |
| Temp Range | -20°F to 180°F |
| Brake Type | No Brake |
| Materials & Finish | |
| Wheel Material | Cast Iron |
| Frame Material | Zinc Plated Steel |
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8" x 3" Foam Filled Rigid Flat Free Caster – 275 lb | CasterHQ
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View all 8′ x 3′ casters & wheels →
Your selection is highlighted. Every option shares its wheel size and mount; a Direct fit tag means the same mounting plate — a drop-in replacement. Step up or down in load rating, all in-stock.
| Casters (in stock) | Load capacity | Wheel | Type | Overall height | Price | |
|---|---|---|---|---|---|---|
| — | 8" × 3"Cast Iron | Swivel | — | $365.00 | Viewing | |
| 275 lbsHeavier duty | 8" × 3"Polyurethane | Rigid | 9-3/4" | $101.00 | View → | |
| 275 lbsHeavier duty | 8" × 3"Polyurethane | Swivel | 9-3/4" | $74.00 | View → | |
| 275 lbsHeavier duty | 8" × 3" | Swivel | 9-3/4" | $110.00 | View → | |
| 2500 lbsHeavier duty | 8" × 3"Polyurethane | Rigid | 10-1/8" | $117.00 | View → |





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