Jungheinrich Caster Wheel Assembly - 4 Inch Polyurethane
JU 51237318
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Compatibility
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Reference Diagrams
Visit our diagram page for part references to popular models
Product Description
Jungheinrich Caster Wheel Assembly — Premium polyurethane wheel designed for electric pallet trucks. Features. Constructed from high-performance polyurethane (95A durometer) on a precision-machined steel core. Delivers reliable performance and durability for Millennium Standard caster applications. Available with optional integral string guards (variant 51237318-SG).
Specifications
Wheel Dimensions
| Bore Specification | Precision machined bore |
Material & Construction
| Tread Material | High-performance polyurethane, 95A Shore durometer |
| Core Material | Machined steel core, powder coated |
| Surface Finish | Polyurethane tread; powder coated core |
| Tread Hardness | 95A Shore durometer |
Features & Variants
| String Guard Feature | Available as variant 51237318-SG with integral string guards |
| Application | Jungheinrich electric pallet trucks, Millennium Standard caster applications |
Part Information
| Part Number | 51237318 |
Frequently Asked Questions
Q: What are the dimensions and material specifications for the 51237318 caster wheel?
A: The 51237318 is a caster wheel. It is constructed from high-performance polyurethane rated at 95A Shore durometer hardness, mounted on a machined steel core with powder coat finish. The polyurethane tread provides a durable contact surface for material handling applications.
Q: Which Jungheinrich equipment models does the 51237318 fit?
A: The 51237318 is designed as a direct replacement wheel for Jungheinrich electric pallet trucks using Millennium Standard caster applications. Verify your equipment documentation to confirm compatibility before ordering, as fitment depends on specific model year and caster position.
Q: What does the 95A Shore hardness rating mean for this wheel?
A: The 95A durometer hardness indicates a firm, high-performance polyurethane compound designed for rigorous use in material handling. This hardness level provides good load-bearing capacity and wear resistance while maintaining traction on typical warehouse floors.
Q: What is the difference between 51237318 and 51237318-SG?
A: The 51237318-SG variant includes polymer composite string guards in addition to the standard wheel assembly. Both share the same 95A polyurethane construction. The string guards provide edge protection and reduce debris accumulation on the caster.
Q: What maintenance is required for the 51237318 caster wheel?
A: The wheel features sealed bearings requiring no lubrication. Periodically inspect the polyurethane tread for embedded debris or wear. Clean the wheel surface with a damp cloth as needed. Replace the wheel when tread wear becomes visible or diameter loss affects equipment performance.