Polyurethane Load Wheel Assembly for Pallet Mule AA-5500
AA-3X4
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Compatibility
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Product Description
AA-3X4 Polyurethane load wheel and bearing assembly for manual pallet jack applications. Steel hub, 95A durometer polyurethane tread, compatible with Pallet Mule AA-5500 series and other standard manual pallet trucks. Supersedes and equivalent to PU AA-3X4 PMWB, PU AA-3X4 SMWB, and PU AA-3X4 PMWB-KIT. Designed for smooth and durable operation in industrial environments.
Specifications
Part Numbers
| Manufacturer Part Number | AA-3X4 |
| Original Equipment Compatible | Yes |
| Cross-Reference Part Numbers | PU AA-3X4 PMWB, PU AA-3X4 SMWB, PU AA-3X4 PMWB-KIT |
Specifications
| Wheel Material | Polyurethane tread with steel hub |
| Polyurethane Durometer | 95A Shore A |
| Hub Material | Steel core |
| Bearing Sealing | Sealed construction |
| Application | Manual pallet jacks, hand pallet trucks |
Frequently Asked Questions
Q: What is the AA-3X4 load wheel assembly?
A: The AA-3X4 is a direct replacement polyurethane load wheel and bearing assembly designed for manual pallet jacks and hand pallet trucks. It features a sealed precision ball bearings.
Q: What specifications does the AA-3X4 have?
A: The wheel uses 95A Shore A durometer polyurethane on a steel hub for durability and smooth rolling.
Q: Which manual pallet jack models are compatible with the AA-3X4?
A: The AA-3X4 is compatible with Pallet Mule AA-5500 series and other standard manual pallet trucks. It is designed as a direct replacement load wheel for general warehouse, dock, and industrial material handling applications.
Q: What are the cross-reference part numbers for the AA-3X4?
A: Equivalent and cross-reference part numbers include PU AA-3X4 PMWB, PU AA-3X4 SMWB, and PU AA-3X4 PMWB-KIT. Use these numbers to verify compatibility with your specific equipment.
Q: Why are the bearings sealed?
A: Sealed precision ball bearings minimize exposure to dust, moisture, and contaminants. This design extends bearing life and reduces maintenance requirements in active warehouse and dock operations.
Q: What polyurethane grade is used in this wheel?
A: The AA-3X4 uses 95A Shore A durometer polyurethane. This hardness provides an optimal balance of traction, durability, and smooth rolling performance on concrete and similar industrial flooring.
Q: Can this wheel be used in outdoor environments?
A: The AA-3X4 is designed for standard indoor warehouse and dock use on concrete and similar flooring. Sealed bearings provide good protection against moisture; however, prolonged outdoor exposure is not recommended.
Q: What is the hub construction?
A: The hub is constructed from steel core material, precision-machined for reliable fit and consistent load distribution. Steel core construction ensures long-term durability and stable performance under typical industrial load ratings.