Product Description
PU AA-2.875X4 PMWB-N is a Pallet Mule OEM load wheel assembly featuring solid nylon crowned tread, 2.875 inch nominal diameter, and 4 inch tread width, engineered for Pallet Mule AA5500 manual pallet jacks. Equipped with precision sealed bearings, this component is optimized for high-cycle warehouse use and direct replacement of original part numbers. Compatible with nylon, polyurethane, and ultra-poly load wheel model equivalents.
Compatibility: Fits pallet jacks made by Pallet Mule, model AA5500. SKU: PU AA-2.875X4 PMWB-N
Specifications
Material
| Wheel Material | Nylon polymer (molded) |
| Tread Material | Solid nylon |
| Hub Material | Molded nylon |
Part Numbers
| OEM Part Number | PU AA-2.875X4 PMWB-N |
| Manufacturer Part Number | PU AA-2.875X4 PMWB-N |
| Cross-Reference Part Numbers | Equivalent to PU AA-2.875X4 PMWB-D, fits AA5500 model series |
| Compatible Models | Compatible with Pallet Mule AA5500 manual pallet jacks |
| Equivalency Note | Specification interchangeable with polyurethane and steel core versions for same model, with material distinction only |
| No Cross-Reference Part Numbers Available | No additional cross-reference, supersedes, or replaces part numbers found for PU AA-2.875X4 PMWB-N |
Frequently Asked Questions
Q: What are the dimensions and material specifications for the PU AA-2.875X4 PMWB-N?
A: The PU AA-2.875X4 PMWB-N features 2.875 inch nominal diameter, 4 inch tread width, and solid nylon crowned tread bonded to a steel hub. The nylon polymer is molded directly onto the finished steel hub. Precision sealed ball bearings are integrated for low-friction operation in high-cycle warehouse use.
Q: Which Pallet Mule pallet jack models does the PU AA-2.875X4 PMWB-N fit?
A: The PU AA-2.875X4 PMWB-N is designed as the OEM load wheel replacement for Pallet Mule AA5500 manual pallet jacks and compatible model series. Verify your equipment model designation against the AA5500 specification before ordering to ensure proper fit and operation.
Q: What are the advantages of nylon tread versus polyurethane tread on load wheels?
A: Nylon crowned tread offers superior durability and extended service life in high-cycle warehouse environments. Nylon resists compression set and maintains consistent performance under heavy loads and frequent use. Polyurethane provides better traction on smooth, clean floors and is preferred for non-marking requirements. Nylon is optimal for abrasive concrete and aggressive operating conditions.
Q: Is the PU AA-2.875X4 PMWB-N equivalent to the polyurethane PMWB-D variant?
A: The PMWB-N and PMWB-D are functionally equivalent in terms of dimensional fit and bearing compatibility. The critical difference is tread material. The PMWB-N uses molded nylon for maximum durability. The PMWB-D uses ultra polyurethane for non-marking and traction performance. Both fit AA5500 series equipment. Select based on your floor type and wear requirements.
Q: What is the expected lifespan of the nylon tread on the PU AA-2.875X4 PMWB-N?
A: Nylon crowned tread typically delivers 3 to 5 years of service life in standard to heavy-duty warehouse operations. Nylon resists wear better than polyurethane in aggressive environments. Lifespan depends on load frequency, floor abrasiveness, and equipment maintenance. Sealed bearings require no lubrication. Monitor for flat spots, hardening, or cracking as wear indicators.
Q: What cross-reference part numbers apply to the PU AA-2.875X4 PMWB-N?
A: The PU AA-2.875X4 PMWB-N is equivalent to the PU AA-2.875X4 PMWB-D in terms of fitment and bearing specifications. Both are compatible with the GWK-PUAA-LW load wheel kit and fit Pallet Mule AA5500 and AA5000 model series. Verify your OEM part designation for exact cross-reference confirmation.