Choose the correct plate caster by matching the existing top plate footprint, then selecting a wheel material and duty rating optimized for your application. Below are the most common plate sizes used across carts, fixtures, fabrication equipment, racks, and OEM builds.
These four footprints cover the majority of industrial and institutional caster replacements.
4" × 4-1/2" is the universal industrial footprint used on thousands of carts, racks, and equipment bases.
Measure plate width × length and measure the bolt-hole pattern. Match both to the correct subcategory above.
Polyurethane for most industrial floors, rubber for quiet operation, phenolic for heavy static loads, nylon for wet areas.
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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