Product Description
CR 55001-002 is a hardened steel hydraulic check ball for Crown PTH50 manual pallet jack hydraulic units, supplied as an OEM replacement part and included in OEM and aftermarket seal kits. It serves as a critical sealing element within the jack's pump cylinder assembly and is manufactured to precise Crown technical specifications for high-pressure hydraulic operation.
Compatibility: Fits pallet jacks made by Crown, model PTH. SKU: CR 55001-002
Specifications
Material & Construction
| Material | Hardened bearing-grade steel |
Mechanical Specifications
| Model Compatibility | Fits Crown PTH50 manual pallet jack |
| Seal Kit Association | Supplied in major seal repair kits for PTH50 hydraulic assembly |
Part Numbers
| OEM Part Number | CR 55001-002 |
| Hydraulic Unit Compatibility | Crown PTH50 Hand Pallet Jack Hydraulic Unit |
Performance Specifications
| System Pressure Suitability | Designed for use with PTH50 hydraulic system maximum working pressures |
Frequently Asked Questions
Q: What is the CR 55001-002 check ball and what does it do?
A: The CR 55001-002 is a hardened steel hydraulic check ball component for Crown pallet jack hydraulic units. It serves as a critical sealing and check valve element within the pump cylinder assembly, allowing hydraulic fluid to flow in one direction only and preventing backflow during jack operation.
Q: Which Crown pallet jack models and hydraulic units include the CR 55001-002?
A: The CR 55001-002 is supplied as an OEM replacement part for Crown PTH50 manual pallet jack hydraulic units and is compatible with Crown PTH series models. The check ball is included in major OEM and aftermarket seal repair kits for PTH50 hydraulic assemblies.
Q: What material is the CR 55001-002 made from and why is it important?
A: The CR 55001-002 is manufactured from hardened bearing-grade steel. This material withstands repeated high-pressure hydraulic cycling without deformation, cracking, or wear. The hardness is critical to maintaining proper check function and sealing integrity over the life of the jack.
Q: Is the CR 55001-002 sold individually or only as part of a seal kit?
A: The CR 55001-002 is supplied as an OEM replacement part and is included in major seal repair kits for PTH50 hydraulic assemblies. It is manufactured to precise Crown technical specifications for high-pressure hydraulic operation. Verify availability as both a standalone component and as part of kit assemblies.