Mitsubishi Manual Pallet Jack Wheel Ball Bearing Assembly NF91301-0140
NF91301-01400
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Compatibility
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Reference Diagrams
Visit our diagram page for part references to popular models
Product Description
High-quality ball bearing assembly engineered for manual pallet jack wheel applications. Features precision-manufactured SAE 52100 chrome steel construction with reinforced polyamide cage and double-lip seal protection. With 20 mm bore, 47 mm outer diameter, and 14 mm width, this bearing delivers reliable performance in demanding warehouse and loading dock environments. Direct replacement for Mitsubishi models with cross-references MI91301-01400 and MB91301-01400.
Specifications
Dimensions
| Bore Size | 20 mm |
| Outer Diameter | 47 mm |
| Width | 14 mm |
Material & Construction
| Material Specification | SAE 52100 hardened chrome steel bearing rings and balls |
| Cage Material | Reinforced polyamide |
| Hardness Rating | Rockwell C58–62 (rings & balls) |
| Seal Type | Double-lip seal |
Part Numbers & References
| Primary Part Number | NF91301-01400 |
| Cross-Reference Part Numbers | MI91301-01400, MB91301-01400 |
| Compatibility | Mitsubishi manual pallet jack models |
Frequently Asked Questions
Q: What are the specifications of the NF91301-01400 ball bearing assembly?
A: The NF91301-01400 features a 20 mm bore, 47 mm outer diameter, and 14 mm width. It includes a double-lip seal design and is manufactured from SAE 52100 chrome steel (hardened bearing rings and balls). This bearing assembly is engineered for manual pallet jack wheel applications.
Q: Which pallet jack brands use the NF91301-01400 bearing?
A: The NF91301-01400 is compatible with Mitsubishi manual pallet jack models. Cross-reference part numbers include MI91301-01400 and MB91301-01400. Verify your jack model and wheel assembly specifications before ordering to ensure fitment.
Q: What does the double-lip seal provide?
A: The double-lip seal design protects the bearing races and rolling elements from contamination, moisture, and dirt ingress. This is critical for pallet jack wheels that operate in varied warehouse and loading dock environments. The seal helps extend bearing life and reduce friction.
Q: How do I know when to replace this bearing assembly?
A: Replace the bearing if you observe grinding noise, rough rotation, excessive play in the wheel, or visible seal damage. SAE 52100 chrome steel bearings typically last 2-4 years in typical warehouse service, depending on load, frequency, and floor conditions. Worn bearings reduce steering response and increase pushing force.
Q: What cross-reference part numbers should I reference when ordering?
A: When ordering, reference NF91301-01400, MI91301-01400, or MB91301-01400. These are equivalent part numbers across our house brand and OEM suppliers. Use any of these numbers to verify inventory and confirm proper fitment with your pallet jack model.
