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.







Enhance the performance and reliability of your caster systems with Durastar Retainer Washers, precision-engineered for dependable support and component security. Choose between Plastic Combo Retainers for lightweight applications, Steel Combo Retainers for added reinforcement, or heavy-duty Steel Retainer Washers for robust performance under stress.
These essential accessories play a critical role in securing caster raceways and bearing components, ensuring smooth rotation and structural integrity in industrial environments. Whether you’re upgrading or performing routine maintenance, Durastar retainer components are a trusted solution to keep your casters operating at peak efficiency.
Durastar's commitment to quality means each washer is crafted for consistency, ease of installation, and dependable results. Compatible across a broad range of Durastar caster models, these retainers are a smart investment for professionals looking to maintain operational excellence.
Choose the right retainer component for your needs and extend the life of your caster assemblies with confidence. Durastar delivers reliability from the inside out.
