Product Description
Crown OEM part CR 55001-010 is a precision steel ball designed for hydraulic pump assemblies in Crown PTH50 manual pallet jacks. Manufactured from high carbon steel, the ball features a nominal diameter of 0.375 inch and is engineered for use in high-pressure hydraulic valve applications, ensuring long service life and consistent sealing performance.
Compatibility: Fits pallet jacks made by Crown, model PTH50. SKU: CR 55001-010
Specifications
Dimensional Specifications
| Nominal Diameter | 0.375 inch |
| Sphericity | ±0.0001 inch |
Material & Construction
| Material | High carbon steel, precision ground |
| Hardness | Rockwell C55 minimum |
| Finish | Polished, oil-protected |
Application & Performance
| Application Location | Pump block and valve circuit in Crown PTH50 |
| Maximum System Pressure | 3000 PSI hydraulic circuit |
| Compatible Equipment | Crown PTH50 manual pallet jack |
Part Identification
| Part Number | 55001-010 |
| Manufacturer | Crown Equipment Corporation |
Frequently Asked Questions
Q: What is the CR 55001-010 steel ball used for?
A: The CR 55001-010 is a precision steel ball for hydraulic pump assemblies in Crown PTH50 manual pallet jacks. It is engineered for use in high-pressure hydraulic valve applications within the pump block and pump valve circuit.
Q: What are the dimensions and material specifications of the CR 55001-010?
A: The CR 55001-010 has a nominal diameter of 0.375 inch. It is manufactured from high carbon steel, precision ground to tight tolerances, with a minimum Rockwell hardness of C55. This hardness ensures consistent sealing performance under high pressure.
Q: Does the CR 55001-010 fit other pallet jack brands?
A: The CR 55001-010 is designed specifically for Crown PTH50 manual pallet jacks. Compatibility is limited to this model and serial range. Always verify equipment brand and model before ordering.
Q: When should I replace the CR 55001-010?
A: Replace the CR 55001-010 if you observe pressure loss, sluggish pump response, or visible damage such as scoring or pitting on the ball surface. Precision ground steel balls lose effectiveness once their surface is compromised.