Bearing Assembly for Manual Pallet Jack
D664817
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Compatibility
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Product Description
Precision bearing assembly for manual pallet jack load wheel applications, featuring double rubber seals, 20 mm bore, 47 mm outside diameter, and press-fit compatibility for standard steel or polyurethane wheel hubs. Rated for dynamic loads up to 1960 lbs, meets industry durability standards.
Specifications
Material & Construction
| Ball Material | Chromium steel, hardened |
| Cage Material | Steel |
| Bearing Hardness | Rockwell C58 minimum |
Dimensions & Performance
| Bore Size | 20 mm |
| Outside Diameter | 47 mm |
| Seal Type | Double rubber seals |
| Dynamic Load Rating | 1960 lbs |
| Durability Standards | Meets industry durability standards |
Part Numbers & Compatibility
| Manufacturer Part Number | D664817 |
| Hub Compatibility | Press-fit for standard steel or polyurethane wheel hubs |
Frequently Asked Questions
Q: What are the dimensional specifications of the D664817 bearing assembly?
A: The D664817 features a 20 mm bore and 47 mm outside diameter, making it compatible with standard manual pallet jack load wheel hubs. These dimensions allow for press-fit installation on both steel and polyurethane wheels from major material handling manufacturers.
Q: What is the dynamic load rating for the D664817?
A: The D664817 is rated for dynamic loads up to 1960 lbs, meeting industry durability standards for manual pallet jack load wheel service. This rating ensures reliable performance under typical warehouse duty cycles.
Q: What materials are used in the D664817 bearing assembly?
A: The D664817 features chromium steel ball material, hardened to Rockwell C58 minimum hardness, paired with a steel cage. Double rubber seals provide protection against contaminants. This construction delivers durability and longevity in manual pallet jack applications.
Q: Which pallet jack brands are compatible with the D664817?
A: The D664817 bearing assembly fits manual pallet jacks from Crown, Toyota, Raymond, Yale, Hyster, Jungheinrich, Linde, Clark, Mitsubishi, CAT, and other equipment manufacturers. The 20 mm bore and 47 mm outside diameter are standard dimensions for press-fit load wheel installation.
Q: Why does the D664817 have double rubber seals?
A: Double rubber seals on the D664817 protect the bearing from dust, moisture, and contaminants common in warehouse environments. This seal design extends bearing lifespan and maintains smooth wheel operation over extended service periods.
Q: Can the D664817 be used with both steel and polyurethane load wheels?
A: Yes, the D664817 is designed for press-fit compatibility with both standard steel and polyurethane wheel hubs. The 20 mm bore provides secure fitment on either hub type, allowing flexibility for different wheel material applications.