Up to 350 lbs
Up to 6,000 lbs
Up to 16,000 lbs
Up to 40,000 lbs
High-capacity loads
Shock absorbing
Corrosion resistant
Outdoor / rough terrain
OEM replacements
All measurements indicate the wheel diameter by the tread width.
The below capacity ranges indicate the working (dynamic) load that each caster will support. A safety factor should be included in your formula to determine your required load rating per caster.
W/(C-1)=R W is total weight needed to move. C is total number of casters required. R is ideal load rating, with safety factor built in. Divide the total load weight by one less caster than you will use to safely determine load rating.
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 Durastar SPU Series 5" Solid Polyurethane Wheel is built for strength, resilience, and long-term performance. Featuring a compact 5-inch diameter paired with a generous 2" tread width, this wheel offers excellent ground contact and load capacity, making it a dependable choice for applications where smooth maneuverability and surface protection are critical.
Constructed with high-quality solid polyurethane, these wheels resist chemicals, abrasions, and tearing—ensuring they perform well even under tough industrial or commercial conditions. Their non-marking tread protects floors while delivering a quieter, smoother roll.
Whether you're outfitting a fleet of carts or upgrading mobile equipment in a warehouse, the Durastar SPU 5" Wheel ensures consistent performance and long-lasting value. Engineered for reliability and designed with safety in mind, this wheel supports operational efficiency without compromising durability.
Invest in solid polyurethane wheels that deliver dependable traction, low maintenance, and extended wear life. Choose the Durastar SPU 5" Wheel and enhance your mobility solutions today.
