Bearing Assembly for Manual Pallet Jacks
CC666178
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Compatibility
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Product Description
CC666178 Bearing Assembly for manual pallet jack applications, precision machined steel construction with caged ball design and sealed for protection against contaminants. Designed for use in manual pallet jack wheel assemblies for smooth rotation under radial and axial loading.
Specifications
Material & Construction
| Construction Method | Precision-machined steel inner and outer races, caged ball design |
| Seal Type | Sealed (integral shielded construction for debris exclusion) |
Part Numbers
| Manufacturer Part Number | CC666178 |
Frequently Asked Questions
Q: What are the key features of the CC666178 bearing assembly?
A: The CC666178 features precision-machined steel inner and outer races with caged ball design and sealed integral shielded construction. The sealed design excludes debris and contaminants, reducing maintenance needs. Caged ball construction provides smooth rotation under radial and axial loading typical in pallet jack wheel service.
Q: What manual pallet jack models does the CC666178 fit?
A: The CC666178 is designed for manual pallet jack wheel assemblies across Crown, Toyota, Raymond, Yale, and similar equipment. This bearing is used in both load wheel and drive wheel positions depending on assembly configuration. Verify bore and outer diameter specifications match your specific wheel assembly before ordering.
Q: Why is the caged ball design used in pallet jack bearings?
A: Caged ball design reduces friction and heat buildup by spacing balls evenly around the race. This design supports sustained radial and axial loads inherent in load wheel applications while improving bearing longevity compared to unsealed solid-cage designs. Caged construction also simplifies bearing maintenance in warehouse environments.
Q: How does the sealed design of the CC666178 extend bearing life?
A: The integral shielded construction of the CC666178 prevents dirt, moisture, and contamination from entering the bearing cavity. This protection reduces corrosion of steel races and balls, extends grease life, and minimizes friction wear. Sealed bearings typically deliver 2 to 3 times longer service life than open designs in warehouse and outdoor conditions.
Q: Is the CC666178 precision-machined steel suitable for heavy-duty warehouse use?
A: Yes. Precision-machined steel races and caged ball construction are engineered for continuous heavy-duty material handling. Load capacity exceeds typical warehouse duty cycles. Expected service life ranges from 3000 to 10000 operating hours depending on floor conditions, load weights, and maintenance practices.