Harken 127mm Narrow Hi-Load Halyard Sheave
Harken 127mm Narrow Hi-Load Halyard Sheave
Narrow high-load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Sheaves combine sideload-carrying balls with a PTFE composite bushing for radial loads.
Technical Description
| Sheave Ø (mm) | 127 mm |
| Sheave Ø (in) | 5 in |
| Width (mm) | 19 mm |
| Width (in) | 3/4 in |
| Weight (g) | 340 g |
| Weight (oz) | 12 oz |
| Maximum line Ø (mm) | 12 mm |
| Maximum line Ø (in) | 7/16 in |
| Maximum wire Ø (mm) | 8 mm |
| Maximum wire Ø (in) | 5/16 in |
| Center pin Ø (mm) | 19.1 mm |
| Center pin Ø (in) | 3/4 in |
| Maximum working load (kg) | 5443 kg |
| Maximum working load (lb) | 12000 lb |
| Breaking load (kg) | 16828 kg |
| Breaking load (lb) | 37100 lb |
Harken 127mm Narrow Hi-Load Halyard Sheave
Narrow high-load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Sheaves combine sideload-carrying balls with a PTFE composite bushing for radial loads.
Technical Description
| Sheave Ø (mm) | 127 mm |
| Sheave Ø (in) | 5 in |
| Width (mm) | 19 mm |
| Width (in) | 3/4 in |
| Weight (g) | 340 g |
| Weight (oz) | 12 oz |
| Maximum line Ø (mm) | 12 mm |
| Maximum line Ø (in) | 7/16 in |
| Maximum wire Ø (mm) | 8 mm |
| Maximum wire Ø (in) | 5/16 in |
| Center pin Ø (mm) | 19.1 mm |
| Center pin Ø (in) | 3/4 in |
| Maximum working load (kg) | 5443 kg |
| Maximum working load (lb) | 12000 lb |
| Breaking load (kg) | 16828 kg |
| Breaking load (lb) | 37100 lb |
Description
Harken 127mm Narrow Hi-Load Halyard Sheave
Narrow high-load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Sheaves combine sideload-carrying balls with a PTFE composite bushing for radial loads.
Technical Description
| Sheave Ø (mm) | 127 mm |
| Sheave Ø (in) | 5 in |
| Width (mm) | 19 mm |
| Width (in) | 3/4 in |
| Weight (g) | 340 g |
| Weight (oz) | 12 oz |
| Maximum line Ø (mm) | 12 mm |
| Maximum line Ø (in) | 7/16 in |
| Maximum wire Ø (mm) | 8 mm |
| Maximum wire Ø (in) | 5/16 in |
| Center pin Ø (mm) | 19.1 mm |
| Center pin Ø (in) | 3/4 in |
| Maximum working load (kg) | 5443 kg |
| Maximum working load (lb) | 12000 lb |
| Breaking load (kg) | 16828 kg |
| Breaking load (lb) | 37100 lb |
