Most in-stock items ship same or next business day. Shipping rates shown at checkout.
PRODUCT CODE: R-7521-SPRT
| Specification | Value |
|---|---|
| Swivel or Rigid caster | Rigid |
| Load Capacity (lbs.) @ 3 mph | 4200 |
| Wheel Diameter (in.) | 21 |
| Wheel Face (in.) | 6 |
| Overall Height (in.) | 24 |
| Swivel Offset (in.) | 5 |
| Mounting Plate (in.) | 8 1/2 x 8 1/2 |
| Bolt Hole 1 (in.) | 7 x 7 |
| Mounting Bolt (in.) | 0.5 |
| Caster Color/Finish | Crimson Powder |
| Wheel Type | HD Solid Pneumatic |
| Wheel Color/Finish | Black Tire on White Rim |
| Bearing Type | Tapered Roller |
| Replacement Wheel | W-2160-SPRT-1-1/4 |
| Wheel Material @ Tread | Rubber |
| Shipping Weight (lbs.) | 109 |
| Caster Rig Type | Weldment |
| Tire Size | 600 x 9 |
Elevate your ground support operations with the R-7521-SPRT Hamilton Rigid Caster. This premium-grade caster is tailor-made for the rigorous demands of aviation and heavy industry applications.
Hamilton is synonymous with quality and reliability. With the R-7521-SPRT Ground Support Rigid Caster, you're not just purchasing a product, but a promise of performance. Whether you're in aviation or heavy industry, this caster is engineered to provide superior durability and ease of movement.
Don't compromise on quality. Trust in Hamilton's legacy of excellence. Add the R-7521-SPRT Rigid Caster to your fleet today and experience unparalleled performance and durability.
Transparent pricing
All pricing and quantity discounts are applied automatically. No promo codes required and no post-checkout price changes.
Upfront shipping costs
Shipping is calculated by order size and weight. Final shipping costs are shown before payment so there are no surprises.
Business-friendly ordering
We support bulk orders, repeat purchases, and fast quotes for larger or custom requirements.
Real support from product specialists
Need help confirming fit, compatibility, or application? Our team works directly with engineers, maintenance teams, and buyers every day.
Trusted by industrial and commercial customers
CasterHQ supplies casters and wheels for manufacturing, material handling, retail, and distribution environments nationwide.
When will my order ship?
In-stock items typically ship same or next business day. Weekend orders ship Monday or Tuesday unless stated otherwise.
Will shipping cost more at checkout?
Shipping is not free on most orders. Your final shipping cost is shown before payment.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.
Some custom products (select Made in USA casters, keyway wheels, drive wheels) are built after purchase and ship on a longer lead time. When applicable, the ship-time estimate is shown on the product page.
Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.
Designed to meet the highest standards of quality and performance, the Hamilton R-7521-SPRT Rigid Caster is an exemplary product tailored for robust ground support operations.
For those looking for a comprehensive understanding of this product, here's a deep dive into its specifications:
In the realm of ground support equipment, the R-7521-SPRT Hamilton Ground Support Rigid Caster stands out as an unmatched blend of durability, functionality, and style. Whether you're in aviation or any heavy-duty industry, this caster promises top-tier performance that Hamilton has been renowned for.
$2,242.00
| Temp Range | -20°F to 180°F |
| Wheel Material | Rubber |
| Frame Material | Zinc Plated Steel |
| Mount Style | Plate |
| Rig Type | Rigid |
| Brake Type | No Brake |
Trusted by 100,000+ Industrial and Commercial Buyers | 98.7% on-time shipment rate
Designed for engineers, manufacturers, and material handling professionals
