Load Wheel Assembly - 4 Inch Polyurethane for Electric Trucks
RL WHL-5028-MSTUM-A
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Compatibility
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Reference Diagrams
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Product Description
Load wheel assembly with 92A Shore A hardness polyurethane construction, engineered for electric lift trucks and pallet jacks. Features integrated bearing design for smooth operation and reliable load distribution. The moderate-hardness polyurethane compound balances floor protection with extended wheel life, making it ideal for warehouse and distribution environments.
Specifications
Wheel Specifications
| Wheel Material | Polyurethane compound |
| Durometer Hardness | 92A Shore A hardness |
| Bearing Design | Integrated bearing design |
| Application | Electric lift truck load wheel applications |
Material Properties
| Floor Protection | Yes |
| Load Distribution | Yes |
Part Numbers
| Manufacturer Part Number | RL WHL-5028-MSTUM-A |
| Alternate Part Number | RL WHL-5028-MSTUM |
Frequently Asked Questions
Q: What are the specifications for the 4 inch by 2 inch load wheel assembly?
A: This load wheel assembly features a diameter and width profile with 92A Shore A hardness polyurethane construction. It includes an integrated bearing design and is engineered specifically for electric lift truck load wheel applications. The moderate-hardness compound provides balanced floor protection and load distribution.
Q: What type of bearing does this wheel assembly have?
A: The wheel assembly features an integrated bearing design, which means the bearing is built directly into the wheel structure. This design simplifies replacement, reduces the number of separate components, and ensures proper alignment during installation.
Q: Why is 92A Shore A hardness polyurethane used in this wheel?
A: The 92A durometer hardness provides an optimal balance for warehouse environments. This moderate hardness offers good wear resistance and floor protection while maintaining reasonable traction. Harder compounds resist wear better but transmit more vibration; softer compounds provide better grip but wear faster.
Q: What is the part number for this load wheel assembly?
A: The manufacturer part number is RL WHL-5028-MSTUM-A. The alternate designation is RL WHL-5028-MSTUM (without the -A suffix). Both refer to the same 92A durometer polyurethane load wheel with integrated bearing.
Q: What equipment brands and models is this wheel compatible with?
A: This load wheel assembly is designed as a direct replacement for electric lift truck load wheel applications. Verify your specific equipment's axle configuration and wheel cavity dimensions before ordering to ensure proper fit and performance.
Q: How long will this wheel last in typical warehouse use?
A: Wheel lifespan varies based on floor conditions, load weight, usage frequency, and maintenance. The 92A polyurethane construction provides moderate wear resistance for standard indoor warehouse environments. Inspect regularly for flat spots, cracks, or bearing wear to determine when replacement is needed.
