Product Description
Big Joe 078408 92A Polyurethane Load Wheel Assembly delivers reliable performance for electric lift truck operations. This wheel combines a precision aluminum hub with sealed ball bearings and hard-wearing 92A polyurethane tread, optimized for Series 21A, 21P, and Series 21R electric lift trucks. Extended durometer hardness provides superior wear resistance and extended service life in demanding warehouse and material handling environments.
Specifications
Compatibility
| Compatible Models | Series 21A, Series 21P, Series 21R electric lift trucks |
| Interchange Information | Direct-fit replacement for Big Joe 21A, 21P, and 21R series electric pallet trucks |
Material & Construction
| Wheel Material | 92A durometer polyurethane tread molded to precision aluminum hub |
| Durometer Rating | 92A (hard compound for extended wear) |
| Hub Material | Precision aluminum |
| Bearing Type | Sealed ball bearings |
Part Numbers
| Manufacturer Part Number | BJ 078408 |
| Alternate Part Number | BJ078408 |
| IBH Part Number | BJ078408 |
Frequently Asked Questions
Q: What are the specifications of the 078408 load wheel?
A: The 078408 is a 92A durometer polyurethane load wheel. It features a precision aluminum hub with sealed ball bearings molded to the polyurethane tread, providing durability and consistent performance.
Q: Which Big Joe electric lift truck models use the 078408?
A: The 078408 is compatible with Big Joe Series 21A, Series 21P, and Series 21R electric lift trucks. It is a direct-fit replacement wheel for these models.
Q: What does 92A durometer polyurethane mean?
A: 92A durometer indicates a harder polyurethane compound compared to standard softer formulations. This hardness provides extended wear life and superior resistance to deformation and abrasion, making it optimized for high-cycle operations and demanding warehouse applications.
Q: Why does the 078408 use an aluminum hub?
A: Precision aluminum hubs reduce weight compared to steel hubs while maintaining strength and rigidity. The aluminum hub is precision-molded with polyurethane for consistent balance and runout, improving handling and reducing vibration during operation.
Q: How does the 92A polyurethane compound extend wheel lifespan?
A: The harder 92A compound resists deformation, abrasion, and wear better than softer polyurethane grades. This extended durability makes the 078408 suitable for demanding warehouse and material handling operations with high-volume use cycles.
Q: Are sealed bearings included on the 078408?
A: Yes, the 078408 includes sealed ball bearings that protect against moisture and dust infiltration. Sealed bearings reduce maintenance requirements and provide consistent smooth performance throughout the wheel service life.
Q: How should the 078408 be stored when not in use?
A: Store the wheel assembly in a cool, dry location away from direct sunlight and moisture. Avoid stacking heavy items on the wheel, and keep it protected from extreme temperature fluctuations to preserve polyurethane integrity.
