Single Shield Radial Ball Bearing Assembly
921-000-148-1
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Compatibility
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Reference Diagrams
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Product Description
Single shield radial ball bearing assembly, SKU 921-000-148-1, designed for manual pallet jack applications. 25 mm bore diameter, 52 mm outside diameter, 15 mm bearing width. Durable high carbon chromium steel construction, precision ground races, standard radial clearance, Z-type single steel shield, optimized for high-cycle warehouse and industrial environments.
Specifications
Material & Construction
| Race Material | High carbon chromium steel, precision ground |
| Shield Material | Steel: SAE 1008 |
Mechanical Specifications
| Bearing Series | 6205 Z (single shield) |
| Limiting Speed (Grease) | 9600 RPM |
| Limiting Speed (Oil) | 12000 RPM |
Part Numbers
| Manufacturer Part Number | 921-000-148-1 |
| OEM Part Number | 921-000-148-1 |
Performance Specifications
| Service Factor | 1.0 continuous duty |
Frequently Asked Questions
Q: What are the key specifications for the 921-000-148-1 bearing assembly?
A: The 921-000-148-1 is a 6205 Z series single shield radial ball bearing with a 25 mm bore diameter, 52 mm outside diameter, and 15 mm bearing width. It is manufactured from high carbon chromium steel with precision ground races and features a Z-type single steel shield. The bearing has a limiting speed of 9600 RPM with grease or 12000 RPM with oil, and a service factor of 1.0.
Q: Which pallet jack models use the 921-000-148-1 bearing?
A: The 921-000-148-1 fits load wheel and steering wheel assemblies on manual pallet jacks from Crown, Toyota, Raymond, Yale, Hyster, Clark, Mitsubishi, CAT, and BT equipment. This bearing is a direct replacement for OEM applications. Measure your current bearing bore, outer diameter, and width to confirm fitment.
Q: What is the material composition of the 921-000-148-1?
A: The bearing races and balls are made from high carbon chromium steel with precision ground contact surfaces to ensure smooth, low-friction operation. The single steel shield is SAE 1008 steel, which protects the bearing internals from dust and water while maintaining compatibility with standard grease and oil lubricants.
Q: How should the 921-000-148-1 be maintained for optimal lifespan?
A: Use appropriate bearing grease or light machine oil per your equipment manufacturer specifications. Inspect the bearing regularly for excessive heat, noise, or friction. The single shield design allows periodic re-greasing. Replace the bearing if you observe wheel drag, grinding noise, or axial play that cannot be adjusted.
Q: Does the 921-000-148-1 have any cross-reference part numbers?
A: The 921-000-148-1 OEM part number is 921-000-148-1. It is a 6205 Z bearing standard across multiple manufacturers. If your equipment documentation references a different part number, we can help verify compatibility. Contact us with your equipment model and OEM part number for confirmation.
