Harken 57mm High-Load Sheave (727)
Durable sheave for custom and replacement high-load applications
The Harken 57mm High-Load Sheave is engineered for use in custom applications or as a replacement part in high-load systems. Designed to handle both radial and sideload forces, it features a hybrid bearing system that combines PTFE composite bushings for radial load handling with sideload-carrying ball bearings for lateral stability.
Ideal for applications such as vangs, halyards, and backstay adjusters, this sheave delivers smooth, reliable performance under sustained tension. A versatile solution for sailors and riggers seeking dependable load-handling capability in compact, high-stress setups.
Specifications
| Width (mm) | 22 |
| Recommended line - Max Ø (mm) | 12 |
| Sheave Ø (mm) | 57 |
| Pin Ø (mm) | 10 |
| SWL (kg) | 2245 |
| NBL (kg) | 4491 |
| Weight (g) | 113 |
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