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.
Custom made to order. All sales final.
Each Hamilton product is custom manufactured for your order and ships in about 4-6 weeks. Please confirm all specs before checkout, since made-to-order items aren't eligible for returns, exchanges or refunds. Need help? Call 844-439-4335 or email info@casterhq.com and we'll verify fit for you.
Discover the Hamilton Aerospace Spring Loaded Spinfinity (FM) Swivel Caster - engineered for aerospace excellence. Its 8" x 3" Ergo-Glide Polyurethane (85A) on Cast Iron Wheel ensures unmatched durability while its 3/4" sealed precision ball bearings provide smooth, reliable operations. Ideal for aerospace professionals seeking quality and efficiency. Purchase this top-rated aerospace swivel caster for industry-leading performance.
Opt for Hamilton's renowned aerospace-grade Spinfinity swivel caster for enhanced mobility and long-lasting performance. This innovative caster, designed for high-demand aerospace applications, promises minimal maintenance and optimal efficiency. Invest in Hamilton – your trusted partner for premium aerospace casters.
Considering the Spinfinity (FM) series for your aerospace setup? Our dedicated Caster Experts are available to assist with all your queries. Contact us weekdays from 8 am - 5 pm for bespoke caster solutions tailored for you.
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 Aerospace Spinfinity (FM) Swivel Caster stands as a testament to Hamilton's commitment to quality and innovation in the aerospace industry. Delve deeper to understand what makes this caster a top choice for professionals.
Crafted with the aerospace sector in mind, the Hamilton Spinfinity (FM) Swivel Caster is ideal for scenarios that require high precision and reliability. Whether you're moving aerospace equipment or need a caster that can handle extreme conditions, this product is tailored to deliver optimal performance consistently.
At Hamilton, we prioritize both innovation and quality. Each Spinfinity (FM) Swivel Caster undergoes rigorous testing to meet industry standards. By choosing Hamilton, you're investing in a product backed by years of expertise and a commitment to excellence.
Have questions or need more insights about the Spinfinity (FM) series? Hamilton's dedicated team of Caster Experts is always ready to assist. Partner with us and experience unparalleled support and solutions tailored to your unique needs.
This Hamilton 8"x3" Ergo-Glide Polyurethane Spring Loaded Swivel Caster – 2000 lb is rated to 2000 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 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 with a 4-1/2" x 6-1/2" plate and a 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4" bolt pattern. 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 -5°F to 160°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.
The overall height (floor to top of plate or stem) is 13". 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).
$1,652.00
| Identification | |
|---|---|
| Part Number / SKU | S-AEZFFM-83SPB |
| Replacement Wheel Part No | W-8030-SPB-3/4 |
| Core | |
| Load Capacity | 2000 lbs |
| Wheel Diameter | 8" |
| Wheel Width | 3" |
| Floor to top of mounting plate (or stem shoulder).Overall Height (OAH)?Floor to top of mounting plate (or stem shoulder). | 13" |
| Rig Type | Swivel |
| Brake | No Brake |
| Horizontal distance from the swivel centerline (kingpin) to the wheel axle.Swivel Lead (Offset)?Horizontal distance from the swivel centerline (kingpin) to the wheel axle. | 4-9/16" |
| Mounting | |
| Mount Style | Plate |
| Plate Size | 4-1/2" x 6-1/2" |
| Center-to-center spacing of the top-plate mounting holes.Bolt Hole Pattern (BHP)?Center-to-center spacing of the top-plate mounting holes. | 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4" |
| Recommended Mounting Bolt | 1/2" |
| Wheel | |
| Wheel Material | Polyurethane |
| Wheel Core Material | Cast Iron |
| Wheel Color | Blue Poly on Gray Center |
| Bearing Type | Precision Sealed Ball Bearing |
| Construction | |
| Frame / Finish | Platinum Powder |
| Temperature Range | -5°F to 160°F |
| Unit Weight | 46 lbs |
| Compliance | |
| Buy American | Yes |
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 within the same duty class, all in stock.
| Casters (in stock) | Load capacity | Wheel | Type | Overall height | Price | |
|---|---|---|---|---|---|---|
| 2000 lbs | 8" × 3"Polyurethane | Swivel | 13" | $1,652.00 | Viewing | |
| 2500 lbsHeavier duty | 8" × 3"Polyurethane | Rigid | 10-1/8" | $117.00 | View → | |
| 2500 lbsHeavier duty | 8" × 3"Phenolic | Rigid | 10-1/8" | $150.00 | View → | |
| 2500 lbsHeavier duty | 8" × 3"Ductile Iron | Rigid | 10-1/8" | $247.00 | View → | |
| 2500 lbsHeavier duty | 8" × 3"Polyurethane | Rigid | 10-1/8" | $156.00 | View → |





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