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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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.
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Silent Glide Casters

Hamilton presents a masterpiece of engineering with enhanced strength and smooth movement, specifically designed for heavy-duty applications. Experience the perfect blend of durability and efficiency, ensuring your operations run seamlessly.
The 8" x 2" UltraGlide XC Polyurethane (70D) on cast iron wheel offers supreme resistance to wear. Coupled with the spring-loaded design, it ensures stability and adaptability to various surfaces and loads. The inclusion of 1/2" sealed precision ball bearings epitomizes efficiency and longevity.
Model S-SPWH-8SWF70D-1 is a testament to Hamilton’s commitment to innovation and engineering excellence. Whether tasked with moving heavy machinery or seeking stable, consistent mobility in an industrial environment, this spring-loaded swivel caster is the definitive solution.
Note: Hamilton - synonym with quality, innovation, and performance in the caster and wheel industry.
Engineered to support heavy loads with unparalleled stability and safety, enhancing operational efficiency and user confidence.
Experience smooth and effortless movement complemented by enhanced durability and wear resistance, ensuring optimal performance in every use.
Built with materials designed to resist rust and corrosion, promising an extended lifespan even in challenging environments.
A harmonious blend of functionality and ease of use, ensuring users enjoy a seamless, intuitive experience in every operation.
Note: Hamilton's S-SPWH-8SWF70D-1 is the epitome of quality and performance, encapsulating top-tier engineering into a user-friendly design.
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.
Experience the synergy of efficiency, durability, and maneuverability with Hamilton’s 8" Swivel Caster. Precision-engineered for industrial and commercial use, it features an UltraGlide XC wheel and a resilient platinum powder finish, effortlessly handling up to 620 lbs loads while minimizing wear.
Navigate corners and tight spaces effortlessly with the integrated swivel design. The robust 8" UltraGlide XC wheel ensures smooth transit, complemented by a platinum powder finish for aesthetics and corrosion resistance. Precision sealed ball bearings offer effortless operations, making this 620 lbs capacity caster a powerhouse for heavy-duty tasks.
With an 8" wheel diameter and 2" wheel face, this caster stands at an overall height of 10.1875". The integral forged kingpin and aluminum wheel core underscore its durability. The polyurethane tread ensures optimal grip, stability, and safety during operations.
The 4" x 5" mounting plate and adaptable bolt holes ensure easy installation. The included replacement wheel (W-820-SWF70D-1/2) guarantees minimal downtime, assuring continuous, efficient operation.
Weighing in at 17 lbs, this Hamilton caster promises cost-effective shipping. Each unit is packaged with precision to ensure it arrives ready for immediate installation and use, marking a new benchmark in mobility solutions.
Note: Delve into a world where efficiency meets durability with Hamilton’s precision-engineered casters, your ultimate partner for all heavy-duty applications.
This Hamilton S-SPWH-8SWF70D-1 8"x2" Polyurethane Swivel Spring Loaded Caster – 620 lb is rated to 620 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.
This caster runs a Cast Iron wheel with a 2" 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.
The overall height (floor to top of plate or stem) is 10.1875". Account for it when checking equipment clearance, dock height, and ergonomic working height.
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).
$704.00
| Identification | |
| Brand | Hamilton |
| Dimensions & Mounting | |
| Wheel Diameter | 8" |
| Wheel Tread Width | 2" |
| Overall Height | 10.1875" |
| Mount Style | Plate |
| Rig Type | Swivel |
| Load & Performance | |
| Wheel Capacity | 620 lbs |
| Temp Range | -20°F to 180°F |
| Brake Type | No Brake |
| Materials & Finish | |
| Wheel Material | Cast Iron |
| Frame Material | Zinc Plated Steel |
8" x 2" Thermo Rubber Polyolefin Industrial Wheel – 600 lb | CasterHQ
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8" x 2" Thermo Rubber Rigid Caster – 600 lb | 4" x 4-1/2" Plate | CasterHQ
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8" x 2" Polyolefin Thermo Rubber Industrial Replacement Wheel – 600 lb | CasterHQ
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View all 8′ 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 | |
|---|---|---|---|---|---|---|
| 600 lbsLighter duty | 8" × 2"Rubber | Swivel | 9-1/2" | $36.00 | View → | |
| 600 lbsLighter duty | 8" × 2"Rubber | — | — | $191.00 | View → | |
| 620 lbs | 8" × 2"Cast Iron | Swivel | 10.1875" | $704.00 | Viewing | |
| 700 lbsHeavier duty | 8" × 2"Gray Rubber | Rigid | 9-1/2" | $30.00 | View → | |
| 700 lbsHeavier duty | 8" × 2"Gray Rubber | Swivel | 9-1/2" | $32.50 | View → |





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