Up to 350 lbs
Up to 7,000 lbs
Up to 16,000 lbs
Up to 40,000 lbs
Shock absorbing
Outdoor / rough terrain
View All Specialty Casters
Browse all specialty caster types
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.
Specialty Casters
Gate Casters
BBQ Pit & Smoker Casters
Keyed Drive Wheels
Drywall Cart Casters
Skid Wheels & Casters for RVs
Leveling Casters
Shopping Cart Wheels & Casters
Band Equipment Casters & Wheels
Low Profile Casters
Cart Wheels & Casters
Toolbox Caster Sets
Bakery & High Temperature Casters
Kitchen Prep Table Caster Sets
Wire Shelving Casters
Silent Glide Casters

Unleash the power of smooth mobility with our Hamilton Spinfinity Maintenance-Free Kingpinless Swivel Caster, model S-ZFHS-6SWF70D. Engineered to perfection, this high-quality caster offers superior performance and longevity in one compact package.
The S-ZFHS-6SWF70D is equipped with a 6" x 2" UltraGlide (70D) Twin Wheel, ensuring effortless movement even under heavy loads. The wheel's black tread on an aluminum core ensures it's both lightweight and robust.
Our Hamilton Spinfinity S-ZFHS-6SWF70D caster features 3/4" Sealed Precision Ball Bearings that guarantee a smooth, noise-free rolling experience. These bearings are sealed to prevent dirt and debris from affecting their operation, ensuring your caster remains maintenance-free.
With its kingpinless design, the S-ZFHS-6SWF70D Hamilton Spinfinity caster is truly maintenance-free. This design minimizes downtime and increases productivity in any setting - industrial, commercial, or residential.
Upgrade your equipment with the S-ZFHS-6SWF70D Hamilton Spinfinity Maintenance-Free Kingpinless Swivel Caster today for smooth, reliable, and efficient performance. Feel the difference with each move!
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
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.
The Hamilton Spinfinity S-ZFHS-6SWF70D Swivel Caster is a perfect combination of engineering excellence and robust materials. Its standout features and unmatched performance make it a popular choice in various settings—industrial, commercial, or residential.
At the core of the S-ZFHS-6SWF70D's design is the kingpinless system, a feature that eliminates the need for regular maintenance, significantly reducing downtime and increasing overall productivity. This design also enhances the caster's durability, ensuring it lasts longer even under heavy use.
The caster comes equipped with a 6"x2" UltraGlide (70D) Twin Wheel. This unique wheel design allows for effortless movement, even under heavy loads. This, combined with the lightweight yet robust aluminum core, ensures unparalleled mobility.
The S-ZFHS-6SWF70D features 3/4" Sealed Precision Ball Bearings that guarantee a smooth and noise-free rolling experience. The bearings are sealed to keep out dirt and debris, ensuring the caster remains maintenance-free and operates efficiently for longer.
Despite its lightweight construction, the Hamilton Spinfinity S-ZFHS-6SWF70D doesn't compromise on strength or durability. The black tread on the aluminum core offers excellent grip and stability, minimizing the risk of marking floors. Its robust build can withstand heavy loads without compromising on mobility.
With its versatile design, the S-ZFHS-6SWF70D is suitable for a wide range of applications, from industrial settings to commercial and residential use. Its simple setup allows for quick and easy installation, making it a user-friendly option for any need.
For an unmatched rolling experience, choose the Hamilton Spinfinity S-ZFHS-6SWF70D Kingpinless Swivel Caster. Experience the difference today!
This caster runs a Polyurethane wheel with a 2" tread width. Polyurethane protects finished floors, rolls quietly, and resists most chemicals while carrying heavy loads.
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 Polyurethane wheel performs best on smooth to semi-smooth floors including sealed concrete, tile, and epoxy. 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).
$433.00
| Identification | |
| Brand | Hamilton |
| Dimensions & Mounting | |
| Wheel Diameter | 6" |
| Wheel Tread Width | 2" |
| Mount Style | Plate |
| Rig Type | Swivel |
| Load & Performance | |
| Temp Range | -20°F to 180°F |
| Brake Type | No Brake |
| Materials & Finish | |
| Wheel Material | Polyurethane |
| Wheel Core Material | Aluminum |
| Frame Material | Zinc Plated Steel |
6" x 2" Foam Filled Swivel Caster with Brake – 250 lb | CasterHQ
6" x 2" · 250 lbs
$76
6" ATX Solid Thermo Rubber Rigid Caster – 80 Shore A | CasterHQ
6" x 2" · 350 lbs
$46
6" x 2" Thermo Rubber Swivel Off Road Caster – -20° F to 160° F | CasterHQ
6" x 2" · 350 lbs
$53
View all 6′ x 2′ 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 | |
|---|---|---|---|---|---|---|
| — | 6" × 2"Polyurethane | Swivel | — | $433.00 | Viewing | |
| 250 lbsHeavier duty | 6" × 2"Polyurethane | Swivel with Brake + brake | 7-1/2" | $76.00 | View → | |
| 350 lbsHeavier duty | 6" × 2"Gray Rubber | Rigid | 7-1/2" | $46.00 | View → | |
| 350 lbsHeavier duty | 6" × 2"Gray Rubber | Swivel | 7-1/2" | $53.00 | View → | |
| 500 lbsHeavier duty | 6" × 2"Gray Rubber | — | — | $25.00 | View → |





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