Product Description
This complete wheel kit includes two load wheel assemblies equipped with bearings, axles, and roll pins, designed to enhance the performance and efficiency of pallet jacks. Crafted from durable materials, it ensures exceptional reliability for industrial applications, offering smooth operation in demanding environments, including narrow aisles and uneven surfaces. The nylon wheels provide corrosion resistance and longevity, making them ideal for warehouses with frequent pallet movement.
Compatibility: Fits pallet jacks made by Maxx Jack, model MJP55, MPJ-5500. SKU: GWK-MJP55N-LW
Specifications
Material
| Bearing Material | Chromium steel (SAE 52100 equivalent) |
Part Numbers
| Manufacturer Part Number | GWK-MJP55N-LW |
| Approved Model Compatibility | Helmar MJP55 manual pallet jack |
Performance
| Working Surface Hardness | Shore D 75–78 |
Frequently Asked Questions
Q: What is the material composition of GWK-MJP55N-LW wheels, and why is nylon chosen?
A: GWK-MJP55N-LW features nylon wheel material with chromium steel SAE 52100 equivalent bearings and steel axles. Nylon wheels are selected for environments requiring corrosion resistance, including freezer warehouses, food processing, chemical storage, and outdoor covered storage. Nylon does not absorb moisture, preventing swelling or degradation. Shore D 75-78 hardness provides excellent load-bearing capability while resisting tearing on debris-laden floors. Nylon also generates lower static electricity than polyurethane.
Q: How does GWK-MJP55N-LW perform in narrow aisles and confined spaces?
A: GWK-MJP55N-LW is engineered for smooth operation in narrow aisles and uneven surfaces. The nylon material provides lower rolling resistance compared to rubber alternatives, reducing operator effort when navigating tight warehouse rows. Precision sealed bearings enable predictable wheel tracking on uneven concrete or surfaces with minor damage. This makes GWK-MJP55N-LW ideal for high-density storage facilities where pallet jack maneuverability is critical to productivity.
Q: What is the rated load capacity for GWK-MJP55N-LW, and what are the bearing specifications?
A: GWK-MJP55N-LW supports the full 5500 lb rated capacity of compatible Helmar MJP55 manual pallet jacks. Bearings are chromium steel SAE 52100 equivalent with sealed cartridge design, providing maintenance-free operation. Bearing preload and internal geometry are engineered to distribute 5500 lb equally across the four-wheel assembly. Do not exceed pallet jack nameplate capacity, as bearing cartridges are sized for rated load limits.
Q: Which pallet jack models is GWK-MJP55N-LW compatible with?
A: GWK-MJP55N-LW is compatible with Helmar MJP55 manual pallet jacks. The load wheel kit fits the rear axles of MJP55-series frames. Verify your pallet jack nameplate clearly indicates MJP55 or equivalent model designation before installation. Cross-compatibility with other brands is not documented for this SKU. Contact distributor support if your model designation differs or if you are uncertain.
Q: What is the typical service life of GWK-MJP55N-LW wheels, and what triggers replacement?
A: GWK-MJP55N-LW typically provides 3-5 years of service in industrial warehouse applications, longer in controlled environments. Replace wheels when you observe flat spots, stress cracks in the nylon tread, lateral axle movement exceeding 1/8 inch, or bearing noise during rotation. Nylon wheels do not chunk like polyurethane but can develop edge splits or micro-fractures. Inspect monthly for damage. Do not operate damaged wheels; replace the entire load wheel assembly to maintain rated capacity and operator safety.
Q: Do nylon wheels in GWK-MJP55N-LW require lubrication or special maintenance?
A: GWK-MJP55N-LW wheels are maintenance-free under normal warehouse conditions. Sealed bearing cartridges do not require relubrication or servicing. Do not attempt to disassemble bearings or apply lubricants; sealed cartridges are permanent assemblies. Inspect wheels monthly for noise, roughness, or lateral play. Clean debris and salt buildup from wheel treads regularly to prevent bearing strain. If bearings develop grinding sounds or resistance, replace the entire wheel assembly; individual bearing service is not field-serviceable.