ISO 9001:2015 Quality Manufacturing · ANSI ICWM Performance Tested
98.7% On-Time Ship Rate Across All Orders
200,000+ Orders Fulfilled for OEM & MRO Teams Nationwide
100+ Years of Combined Caster Industry Experience
Automatic Bulk Pricing | OEM & MRO Volume Discounts Applied at Checkout
Up to 350 lbs · Light Duty Applications
Up to 7,200 lbs · Industrial Duty
Up to 17,500 lbs · Heavy Industrial
Up to 40,000 lbs · Extreme Load Applications
Up to 40,000 lbs · Increased Maneuverability
Up to 3,100 lbs · Industrial Shock Absorbing
Up to 3,200 lbs - Corrosion Resistant
Stainless Steel
Up to 8,400 lbs.
Explore All Specialty Caster Applications
From Everyday Use to Niche Solutions
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.
The Hamilton Unilast UY Series redefines strength and durability in heavy-duty casters. With a load capacity of up to 3200 lbs, these polyurethane wheels are engineered for the most demanding industrial applications.
These wheels incorporate advanced polyurethane technology, offering superior floor protection, noise reduction, and resilience against abrasion, making them ideal for both indoor and outdoor environments.
Whether for manufacturing, warehousing, or other industrial uses, the Hamilton Unilast UY Series ensures versatile and reliable performance under the heaviest loads.
Despite their high load capacity, these casters offer smooth and effortless maneuverability, making them easy to handle in any industrial setting.
Designed for longevity, the Hamilton Unilast UY casters require minimal maintenance, ensuring cost-effectiveness and hassle-free use over time.
Selecting the Hamilton Unilast UY Series means choosing a high-capacity, durable solution for your heavy-duty mobility needs. With these casters, elevate the efficiency and safety of your industrial operations.
These calculators apply to any caster application—even if you’re browsing a different category. Use them to estimate load rating per caster, select wheel material, and estimate push/pull force. Expand any tool for full analysis + a share-ready spec line.
Engineering Tools Hub
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Load Calculator (dedicated)
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Wheel Diameter Calculator
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Failure Diagnosis Tool
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Designed for engineers, manufacturers, and material handling professionals