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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Silent Glide Casters

Discover the revolution in mobility with the Hamilton Spinfinity S-ZFFM-83GB95 Swivel Caster. Specifically engineered to offer optimal performance in a multitude of applications, this caster promises:
Enhance your equipment's mobility with Hamilton's promise of quality and innovation. The Spinfinity S-ZFFM-83GB95 stands as a testament to superior engineering and durability.
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.
The Hamilton Spinfinity S-ZFFM-83GB95 is an exemplar of innovative engineering and design. Representing the pinnacle of mobility solutions, this swivel caster is crafted to perfection, ensuring seamless operation and durability.
Equipped with an 8"x3" DuraGlide Wheel (95A), this swivel caster guarantees a smooth maneuvering experience. The wheel's unique composition ensures reduced wear, making it suitable for high-frequency usage scenarios.
The inclusion of 3/4" Sealed Precision Ball Bearings is a testament to Hamilton's commitment to quality. These bearings not only facilitate effortless swiveling but also significantly enhance the caster's service life.
While the Hamilton Spinfinity S-ZFFM-83GB95 is built for heavy-duty applications, its user-friendly design ensures easy installation. Whether you're looking to transport substantial weights or integrate it into diverse applications, this caster is up to the task.
Opting for the Hamilton Spinfinity series is choosing a legacy of quality, innovation, and reliability. Every product in this lineup, including the S-ZFFM-83GB95, is a reflection of Hamilton's dedication to providing the best mobility solutions in the industry.
This caster runs a Polyurethane wheel with a 3" 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).
$539.00
| 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 | Polyurethane |
| Frame Material | Zinc Plated Steel |
Hamilton 8" x 3" Superlast Poly Swivel Kingpinless Caster | CasterHQ
8" x 3"
$0
Hamilton 8" x 3" UltraGlide Triple Wheel Swivel Caster – 3/4" Ball Bearing | CasterHQ
8" x 3"
$0
8" x 3" Foam Filled Rigid Flat Free Caster – 275 lb | CasterHQ
8" x 3" · 275 lbs
$101
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"Polyurethane | Swivel | — | $539.00 | 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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