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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 Durastar SNP Semi-Pneumatic on Polyolefin Wheel combines the comfort of pneumatic wheels with the reliability of solid-core design. Engineered for environments requiring reduced vibration and quiet operation, the semi-pneumatic rubber tread delivers a cushioned feel while the rugged polyolefin hub offers strong structural integrity under load.
These wheels are specifically built for use in warehouses, maintenance carts, light-duty industrial equipment, and environments where shock absorption and protection of sensitive cargo are essential. Their chemical-resistant and moisture-resistant properties make them a dependable choice for both indoor and outdoor applications.
Unlike traditional air-filled tires, these semi-pneumatic wheels will never go flat—eliminating downtime while ensuring continuous performance. If your operation values comfort, safety, and durability, Durastar SNP wheels offer a cost-effective upgrade to your mobility needs.
Upgrade your carts and equipment with Durastar SNP Semi-Pneumatic on Polyolefin Wheels. Experience the ideal balance of shock-absorbing comfort and industrial-grade reliability for superior performance across demanding workspaces.
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