Product Description
The Crown CR 818262 is a high-density polymer back-up ring designed for direct replacement in manual pallet jack hydraulic cylinder assemblies. This component provides extrusion resistance for hydraulic sealing elements and works in conjunction with the primary seal to maintain system integrity. Rated up to 2900 PSI, the 818262 ensures reliable performance in Crown manual pallet jack models including the PTH50. Essential for proper hydraulic seal function and system durability.
Specifications
Application/Compatibility
| Compatible Equipment | Crown manual pallet jack series, including PTH50 |
Material & Construction
| Material | High-density polymer |
| Function | Provides extrusion resistance for hydraulic sealing elements |
| Pressure Rating | Rated up to 2900 PSI |
Part Numbers
| Part Number | CR 818262 |
| Manufacturer Part Number | 818262 |
| Alternate Part Number | CR818262 |
Frequently Asked Questions
Q: What is the CR 818262 backup ring and what does it do?
A: The CR 818262 is a high-density polymer backup ring manufactured by Crown for hydraulic cylinder sealing applications. It provides extrusion resistance for hydraulic seal elements and prevents the primary seal (such as the CR 818260 o-ring) from extruding under high pressure. It is rated for systems up to 2900 PSI.
Q: Which Crown models does the CR 818262 fit?
A: The CR 818262 backup ring is compatible with Crown manual pallet jack models including the PTH50. It is designed for direct replacement in manual pallet jack hydraulic cylinder assemblies. Always verify your equipment model and serial number before ordering.
Q: What material is the CR 818262 made from?
A: The CR 818262 is manufactured from high-density polymer. This material provides excellent extrusion resistance and durability in high-pressure hydraulic environments while maintaining compatibility with standard hydraulic fluids.
Q: How does the CR 818262 work with other seal components?
A: The CR 818262 backup ring works in tandem with the primary seal (typically an o-ring like CR 818260) to form a complete seal assembly. The backup ring sits behind the o-ring and prevents extrusion into the clearance gap. Both components must be present for proper system sealing.
Q: What are alternate part numbers for the CR 818262?
A: The OEM part number is CR 818262. The manufacturer part number is 818262 and an alternate designation is CR818262 (no space). When ordering, use CR 818262 to ensure you receive the correct Crown component.