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4 Inch · Ships Fast

Engineered for OEM, MRO, and defense. Spec-match guarantee, engineering RFQ on every quote, fastest shipping in the caster industry.

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CHQ 4 Inch · Ships Fast

Solid Polyurethane Wheels: Ultimate Strength in a Compact Size

Dive into the world of solid polyurethane wheels that combine unmatched resilience with sleek design.

4" Diameters: Perfect Blend of Power & Size

Ideal for a myriad of applications, these wheels, with their 4-inch diameter, ensure ease of movement while being able to bear heavy loads.

Up to 750 lbs Capacity: Carry with Confidence

Never compromise on the load. With a staggering capacity of up to 750 lbs, our polyurethane wheels promise dependability when you need it most.

Enhance your equipment's mobility with CasterHQ’s premium wheels. Shop now to experience unmatched durability and efficiency.



CasterHQ's 4" Blue Solid Polyurethane Wheels: The Ultimate in Performance & Durability

Built with precision, our Solid Polyurethane Wheels are designed for both longevity and high performance. Say goodbye to tread separation with our one-piece design, ensuring resilience in wet and corrosive environments. Plus, leave no marks behind on floors.

Engineered to combat challenges, these wheels effortlessly resist most chemicals from acids to bleach. They're ideal for cleanroom environments or wash-down applications, keeping the harshness at bay.

Customize with a variety of bearing choices from Delrin to Stainless Steel, tailoring to your unique needs. Suited for temperatures from -40° to 180° Fahrenheit, these wheels are versatile across conditions.

Favored in food processing environments, our Solid Polyurethane wheel stands out as 100% washable. With capabilities like steam cleaning and resistance against common contaminants, this wheel ensures no bonding failures and offers optimal abrasion resistance.

Wheel Hardness: 60-65 Durometer Shore D
Temperature Range: -20° to 180° F
Color: Blue
Bearing Choices: Available in Standard Roller or Stainless Steel variants.

Have questions? Reach out to us at 844-439-4335 or sales@casterhq.com. Ordering before 12-noon? Expect your wheels to ship the SAME DAY!

Caster Engineering Tools

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.

CasterSpec Load Calculator
Fast estimate. Expand for safety factor + uneven floor + spec output.
Expand full calculator
Load
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Base per caster
Worst-case per caster
Recommended rating
Spec output (auto-generated)
Tip: paste into RFQs / threads. Expand tool for advanced inputs.
WheelMatch Material Selector
Fast recommendation. Expand for noise, duty cycle, floor protection.
Expand full selector
Wheel
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Primary recommendation
Good alternate
When to avoid
Spec output (auto-generated)
Engineers share tools that output a clean “why” line.
PushForce Push/Pull Calculator
Estimate effort fast. Expand for operators, materials, bumps, startup mode.
Expand full push/pull
Push
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Estimated total force
Per operator
Pass / target
Spec output (auto-generated)
If effort is high: bigger wheels + better material + smoother path wins.
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