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HAMILTON

Hamilton 8" Rigid Caster | R-SEC-83DB Duralast Polyurethane

Pronto Ship. All sales final.

Pronto Ship: Ships in 24-48 hours from Hamilton. Please confirm all specs before checkout, since Hamilton 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.

Wheel
8" x 3"
Capacity
2500 lbs
Overall Height
10-1/2"
Plate Size
5-1/4" x 7-1/4"
BHP
3-3/8" x 5-1/4" and 4-1/8" x 6-1/8"
Bolt
1/2"
Pronto Ship · Ships in 24-48 hours
Quantity
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Volume pricing: 50+ saves 5% · 100+ saves 10% · 200+ saves 15% · fleet orders: request custom pricing

PO Net 30 ACH Tax-Exempt VISA AMEX DISCOVER
Business Purchasing
  • Purchase orders accepted for approved accounts
  • Net 30 terms for qualified businesses
  • ACH, credit card, and tax-exempt ordering
  • Bulk and contract pricing on fleet quantities
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Product Overview

Hamilton Super Endurance™ Rigid Caster with 8" x 3" Duralast® Polyurethane (95A) on Cast Iron Wheel with 3/4" Sealed Precision Ball Bearings


The Hamilton Part#: R-SEC-83DB is a cutting-edge component engineered to deliver exceptional efficiency and performance in industrial applications. With its advanced features and robust construction, this high-quality part is designed to meet the demands of even the most challenging industrial environments.

Upgrade your industrial operations with the Hamilton Part#: R-SEC-83DB and elevate efficiency and performance in your workplace. With its superior efficiency, reliable performance, robust construction, and precise engineering, this component is ready to optimize your productivity and maximize your operational success. Trust Hamilton for your industrial needs and experience the difference firsthand!

Key Features
  • Superior Efficiency: The R-SEC-83DB is engineered to optimize operational efficiency. Its innovative design and intelligent features streamline processes, minimize downtime, and maximize productivity. Experience a significant boost in workflow efficiency and operational effectiveness with this state-of-the-art component.

  • Reliable Performance: Hamilton's commitment to reliability is evident in the R-SEC-83DB. This part is built to provide consistent and dependable performance in demanding industrial environments. Count on its reliability to support critical operations and achieve optimal results.

  • Robust Construction: Built to withstand the rigors of industrial use, the R-SEC-83DB features a robust construction. Crafted with high-quality materials, it can withstand high temperatures, heavy loads, and harsh operating conditions. This ensures longevity and durability, reducing the need for frequent replacements and minimizing downtime.

  • Precise Engineering: The R-SEC-83DB is engineered with precision to deliver accurate and reliable results. Its precise dimensions and calibration guarantee optimal performance, ensuring precise control and efficient operations. Experience enhanced accuracy and control in your industrial processes with this exceptional component.

  • Easy Integration: The R-SEC-83DB is designed for seamless integration into your existing systems. With its compatible interfaces and user-friendly installation features, incorporating this part becomes a hassle-free process. Experience a smooth integration and enhanced functionality without disruptions to your operations.
Ordering & Shipping Information

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

Purchase orders — accepted from approved accounts
Net 30 terms — available on approved credit
ACH & all major cards — Visa, MC, Amex, Discover
Tax-exempt — submit your resale/exemption certificate

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.

Typical transit times after shipment

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.

Need an exact freight quote or blanket PO?

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.

Frequently Asked Questions

What is the load capacity of this wheel?+

This Hamilton R-SEC-83DB 8" x 3" Duralast Rigid Kingpinless Caster – 2500 lb is rated to 2500 lbs per wheel. Divide the total load across the number of wheels in your rig and keep working loads within about 75-80% of the rating for continuous use.

What wheel material is this, and where does it perform best?+

This is a Polyurethane wheel. Polyurethane protects finished floors, rolls quietly, and resists most chemicals while carrying heavy loads.

What are the wheel dimensions and bore?+

8" diameter x 3" tread width. Verify your axle diameter and hub/bore length against your existing wheel before ordering.

Can this wheel be supplied in a caster rig?+

Yes. Most wheels can be paired with a swivel or rigid rig to build a complete caster. Tell us your mount and load and we will spec the rig - request it on our bulk pricing page.

How do I order, and what are the terms?+

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).

Technical FAQs & Engineering Notes

Application guidance for load margin, wheel materials, and swivel construction. Confirm ratings against your duty cycle, floor, and temperature before final spec.

How do I properly factor the 25% safety margin into a multi-caster cart configuration?

Start with total system weight (payload + structure + fixtures), divide by casters that actually share the load, and keep continuous working load per caster at or below roughly 75% of catalog capacity (~25% margin). Heavy-duty kingpinless frames are often used on uneven floors, docks, and towed trains where dynamic load transfer is common — do not assume perfect four-caster share. If impact, drop-offs, or shock loading is expected, treat the margin as a floor, not a stretch goal, and confirm capacity at the wheel diameter and tread you select on this PDP. Dynamic and side loads are separate from static catalog ratings; call out towing or AGV duty when you quote so we can sanity-check the configuration.

When must an application bypass standard polyurethane and spec high-temperature glass-filled nylon or phenolic wheels?

Stay with polyurethane when floors are relatively smooth, temperatures stay inside the PU service window, and you want floor protection plus rollability. Move to phenolic, glass-filled nylon, or other high-temp / high-hardness options when heat, certain chemicals, or very high point loads push past what standard PU can sustain. Kingpinless construction solves swivel durability under thrust; it does not raise the wheel’s temperature or chemical limit. Use the wheel material and temperature fields on this product (and sibling SKUs) to match the environment — heat duty and side-thrust duty are independent selection axes.

Why do traditional kingpin swivel raceways fail prematurely under towing or AGV side-thrust loads compared to kingpinless alternatives?

Kingpin swivels concentrate clamping and much of the axial stack through one pin. Towing hitches, AGV corrections, and side scrub introduce lateral and moment loads that work that pin and the race faces harder than hand-pushed carts. Typical early wear modes include kingpin stretch or hole elongation, race brinelling, and increasing swivel play. Kingpinless designs replace that single-pin stack with a machined or forged raceway that carries thrust through the race path, which is why they are the usual spec for powered towing and higher side-load industrial carts. Pair kingpinless swivels with a wheel and bearing package rated for the same duty — the swivel upgrade alone does not fix an undersized tread or bearing.

Hamilton R-SEC-83DB 8
Hamilton R-SEC-83DB 8" x 3" Duralast Rigid Kingpinless Caster – 2500 lb | CasterHQ

$348.00

Technical Specifications

Specifications

Identification
Part Number / SKUR-SEC-83DB
Replacement Wheel Part NoW-830-DB-3/4
Core
Load Capacity2500 lbs
Wheel Diameter8"
Wheel Width3"
Floor to top of mounting plate (or stem shoulder).Overall Height (OAH)Floor to top of mounting plate (or stem shoulder).10-1/2"
Swivel ConstructionKingpinless
Mounting
Plate Size5-1/4" x 7-1/4"
Center-to-center spacing of the top-plate mounting holes.Bolt Hole Pattern (BHP)Center-to-center spacing of the top-plate mounting holes.3-3/8" x 5-1/4" and 4-1/8" x 6-1/8"
Recommended Mounting Bolt1/2"
Wheel
Wheel MaterialPolyurethane
Wheel ColorGreen Poly on Gray Center
Bearing TypePrecision Sealed Ball Bearing
Construction
Unit Weight30 lbs
Compliance
Buy AmericanYes
Reference Dimensions
10-1/2" OVERALL HEIGHT 8" x 3" WHEEL DIA x W 5-1/4" x 7-1/4" PLATE
Overall Height10-1/2"
Wheel8" x 3"
Top Plate5-1/4" x 7-1/4"
Bolt Pattern3-3/8" x 5-1/4" and 4-1/8" x 6-1/8"
Wheel MaterialPolyurethane
Illustrative caster profile drawn to this item's proportions - dimensions are manufacturer specification values. Confirm against the technical table before ordering.
Will This Caster Handle Your Load?
Enter your loaded weight. We derate to 3 effective casters on a 4-caster rig, per industry practice for uneven floors.
Rated capacity: 2500 lbs per caster. For dynamic loads, towing, or debris-strewn floors, apply additional safety factor · full engineering tools →
Fitment & Interchange
Plate Size5-1/4" x 7-1/4"
Bolt Pattern3-3/8" x 5-1/4" and 4-1/8" x 6-1/8"
Replacing an existing caster? Match the bolt pattern first, then wheel size · more 5-1/4" x 7-1/4" plate casters →
Documentation
Spec sheet (PDF) 30-day pricing honored
Download CADChoose a file format · free, no login
Caster selection guide Caster University Fleet & contract pricing Net 30 available
30-day returns · manufacturer warranty · spec support: 844-439-4335 (Mon–Fri 8–5 CST)

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