Forklift Tyres

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Product Details:

Polyurethane Forklift Wheels: Typical Specifications

1. Dimensions & Fit

Press-On Polyurethane Tires: Measured as overall diameter × tread width × inside diameter (ID).

Example: 21×7×15 – meaning 21" total diameter, 7" tread width, fits on a 15" wheel hub.

Example Spec: A Crown brand PU wheel with:

Outside Diameter: 6"

Inside Diameter (bore): 3.149"

Tread Width: 4.12"

2. Load Capacity & Durability

Polyurethane wheels can handle significantly more load than rubber equivalents—up to 5× better load capacity for comparable sizes.

For heavy-duty caster wheels:

Diameters from 4" to 10"

Load capacity ranging from 500 lbs to 4,800 lbs depending on wheel size and hardness (durometer).

Another example:

Wheel Diameter: 300 mm (~11.8")

Width: 100 mm

Load Capacity: 3,000 kg (≈6,600 lbs)

Hardness: 91 Shore A

Temperature Range: –20 C to +80 C

Utilizes a precision ball bearing hub

3. Material Hardness (Durometer)

Common durometer range: 70–95 Shore A, with options for even higher (e.g., Shore D) for specialized applications.

Higher durometer (harder) compounds are chosen for greater load capacity and heat resistance, while slightly softer ones improve traction and reduce rolling resistance.

4. Performance Traits & Considerations

Non-Marking: Polyurethane treads typically do not leave black marks—ideal for indoor use.

Longer Lifespan: Generally last about twice as long as rubber tires in light-duty indoor applications.

Drawbacks:

More prone to internal heat build-up, especially under overload or during high-speed/long-duration operation.

Damage types include chunking, tearing, cuts, or even meltdown if poorly matched to conditions. Higher durometer or grooved design can help mitigate these issues.

5. Customization Options

Some manufacturers offer customizable PU wheels with varying:

Diameter: e.g., 85 mm or more

Width: 80–120 mm

Load Capacity: 400–1,000 kg

Durometer: 85–95 Shore A

Temperature Range: –20 C to +70 C

Bearing Types, hub lengths, and bore sizes are customizable too

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Summary Table

Property Typical Range / Example

Diameter (OD) 6″ (≈150 mm) to 300 mm
Tread Width ~4 in (100 mm) and up
Bore/ID ~3.15″ (≈80 mm)
Load Capacity Hundreds of kg to several thousand kg
Hardness Shore A 70–95 (sometimes Shore D available)
Temp. Range Around –20 C to +70–80 C
Special Features Non-marking, customizable dimensions/compounds

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How You Can Use This in Your Presentation

Diagram: Use the image above to visually display common dimensions and wheel anatomy.

Callouts: Label critical specs such as diameter, bore, tread width, durometer, and load capacity.

Comparison Slide: Contrast rubber vs. polyurethane wheel properties—highlight longer life, load strength, and trade-offs like heat sensitivity.

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Let me know if you'd like help with specific forklift models, load ratings, or creating a custom infographic based on these specs!