Most in-stock items ship same or next business day. Shipping rates shown at checkout.
PRODUCT CODE: R-ZFSEC-1255POYB-ULTRA
Our Hamilton Spinfinity Super Endurance Rigid Caster with 12" x 5.5" Natural Polyurethane Wheel is perfect for heavy-duty applications, with its robust 6000 lbs load capacity. The sealed precision ball bearings provide smooth movement and durability. Its high-grade natural polyurethane material ensures superior performance and longevity. Model number R-ZFSEC-1255POYB-ULTRA is your solution for optimal load management.
| Swivel or Rigid Caster | Rigid |
| Load Capacity (lbs.) @ 3 mph | 6000 |
| Wheel Diameter (in.) | 12 |
| Wheel Face (in.) | 5.5 |
| Overall Height (in.) | 15.5 |
| Mounting Plate (in.) | 5 1/4 x 7 1/4 |
| Bolt Hole 1 (in.) | 3 3/8 x 5 1/4 |
| Bolt Hole 2 (in.) | 4 1/8 x 6 1/8 |
| Caster Color/Finish | Crimson Powder |
| Wheel Type | TerraTech Ultra |
| Wheel Color/Finish | Natural Poly on CNC-Machined 1045 Blank |
| Bearing Type | Precision Sealed Ball |
| Replacement Wheel | W-1255-POYB-ULTRA-1-1/4 |
| Shipping Weight (lbs.) | 118 |
| Load Capacity (lbs.) @ 10 mph | 4300 |
| Load Capacity (lbs.) @ 6 mph | 4900 |
| Caster Rig Type | Weldment |
| Wheel Core Material | Steel |
| Wheel Material @ Tread | Polyurethane |
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Upfront shipping costs
Shipping is calculated by order size and weight. Final shipping costs are shown before payment so there are no surprises.
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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.
The Hamilton Spinfinity Super Endurance Rigid Caster is a robust, heavy-duty caster designed with performance and longevity in mind. It is engineered to support a remarkable load capacity of up to 6000 lbs at 3 mph, making it an ideal choice for industrial applications.
$2,439.00
Trusted by 100,000+ Industrial and Commercial Buyers | 98.7% on-time shipment rate
Designed for engineers, manufacturers, and material handling professionals
