Product Description
High-durability hydraulic seal kit for Crown PTH Series manual pallet jacks, OEM part number CR 41314. This kit is engineered for 2.50 inch bore diameter, 1.25 inch rod diameter, and system pressure up to 3000 PSI. Constructed of NBR nitrile rubber and C1018 steel with zinc plating, ensures leak-free operation over a wide temperature range (-20°F to 220°F). Compatible with Crown PTH50 hand pallet truck hydraulic pump assemblies. No cross-reference part numbers reported.
Compatibility: Fits pallet jacks made by Crown, model PTH50. SKU: CR 41314
Specifications
Hydraulic
| Seal Type | Hydraulic shaft seal, NBR (nitrile rubber) construction |
| Maximum System Pressure | 3000 PSI hydraulic pump assembly |
| Port Thread Specification | 3/4 inch NPT female at pump housing |
Material
| Seal Material Specification | SAE J200 NBR 70 durometer nitrile rubber |
Part Numbers
| OEM Part Number | CR 41314 |
| Compatible Equipment Models | Crown PTH50 manual pallet jack |
Frequently Asked Questions
Q: What is the CR 41314 and which Crown models does it fit?
A: The CR 41314 is a hydraulic seal kit designed for Crown PTH50 manual pallet jacks. It is engineered for 2.50 inch bore diameter and 1.25 inch rod diameter hydraulic cylinders rated to 3000 PSI system pressure.
Q: What materials are used in the CR 41314 seal kit?
A: The CR 41314 is constructed of NBR nitrile rubber seals and C1018 steel with zinc plating hardware. This combination provides corrosion resistance and reliable sealing across a wide temperature range from -20 degrees Fahrenheit to 220 degrees Fahrenheit.
Q: What is the port thread specification for the CR 41314?
A: The CR 41314 hydraulic seal kit features a 3/4 inch NPT female port thread specification at the pump housing connection point.
Q: How long does an NBR nitrile seal kit like the CR 41314 last?
A: NBR nitrile seals typically deliver 2 to 5 years of service on manual pallet jacks depending on hydraulic fluid condition, operating temperature cycles, and pump pressure cycling frequency. Maintain clean hydraulic fluid and monitor for weeping around the pump rod to detect seal degradation early.
Q: Are there cross-reference part numbers for the CR 41314?
A: No cross-reference part numbers have been reported for the CR 41314. This is the OEM Crown part number for the PTH50 hydraulic seal kit.
