Precision-Sealed Ball Bearing Assembly for Pallet Jacks
5127708-00
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Compatibility
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Visit our diagram page for part references to popular models
Product Description
Precision-sealed ball bearing assembly (SKU 5127708-00) for manual pallet jack wheel applications, constructed from SAE 52100 chrome steel with double-lip seals, rated for dynamic and static loading, and designed for press-fit installation.
Specifications
Dimensional
| Clearance | C3 clearance |
Material
| Cage Material | Pressed steel |
| Hardness | Rockwell C58 |
| Finish | Precision ground, light oil coating |
Part Numbers
| Manufacturer Part Number | 5127708-00 |
| OEM Part Number | 5127708-00 |
Performance
| Efficiency | 98% at rated load |
| Service Factor | 1.15 |
Frequently Asked Questions
Q: What is SKU 5127708-00 and what are its key specifications?
A: SKU 5127708-00 is a precision-sealed ball bearing assembly constructed from SAE 52100 chrome steel with double-lip seals. Material hardness is Rockwell C58, clearance is C3, and efficiency rating is 98 percent at rated load with a 1.15 service factor.
Q: Which manual pallet jack models are compatible with this bearing?
A: SKU 5127708-00 is designed for manual pallet jack wheel applications across Crown, Toyota, Raymond, Yale, Hyster, and similar brands. Verify your equipment model and wheel assembly type before ordering to confirm compatibility.
Q: What are the material properties and design features?
A: This bearing uses SAE 52100 chrome steel races and balls with a pressed steel cage. Double-lip seals provide contamination protection, and precision grinding with light oil coating ensures optimal performance. The C3 clearance accommodates thermal expansion in manual pallet jack wheel applications.
Q: How does the double-lip seal design benefit this bearing?
A: Double-lip seals provide superior protection against dust, dirt, and moisture in warehouse and material handling environments. This extends bearing life and maintains smooth operation even in dirty or wet conditions.
Q: What is the service factor and rated load capacity?
A: SKU 5127708-00 has a service factor of 1.15 and achieves 98 percent efficiency at rated load. This rating accounts for both dynamic and static loading in manual pallet jack wheel support, ensuring reliable performance under typical warehouse duty cycles.
Q: How should this bearing be maintained?
A: Inspect bearing seals and operation regularly during routine maintenance. The light oil coating and sealed design minimize need for additional lubrication. Replace if seals show damage, bearing noise increases, or wheel rotation becomes stiff.