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.
Experience the strength and resilience of Hamilton's 6" Unilast UY Polyurethane Wheels with 3/4" bearings. These wheels are designed for maximum durability, capable of withstanding harsh industrial environments while providing a smooth and quiet operation.
Equipped with 3/4" bearings, these wheels offer effortless mobility. The smooth rolling ensures minimal effort is required, making them ideal for various applications, from warehouse carts to industrial equipment.
Hamilton's Unilast wheels are versatile, supporting a wide range of loads. They are well-suited for both indoor and outdoor use, ensuring reliable performance no matter where they're deployed.
The UY Polyurethane material is non-marking, preserving the integrity of your floors. This feature is particularly beneficial in settings where floor appearance is crucial, such as in showrooms or healthcare facilities.
These wheels are designed for easy integration with existing systems. Their low-maintenance design ensures long-term reliability and cost-effectiveness, enhancing operational efficiency.
Opting for Hamilton's 6" Unilast UY Polyurethane Wheels with 3/4" bearings means investing in quality, efficiency, and durability. Perfect for a range of industrial and commercial applications, these wheels are built to last, providing excellent value and performance.
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
All tools + dedicated pages (best for sharing and EEAT). Open hub
Load Calculator (dedicated)
Share this page when discussing load rating per caster. Open load tool
Wheel Diameter Calculator
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Failure Diagnosis Tool
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Designed for engineers, manufacturers, and material handling professionals