Harken 1539 Big Boat 2.5" Sheave Replacement
HARKEN 1539
2.5" Big Boat Sheave
Big Boat sheaves are available for special applications, as well as for replacement sheaves in Big Boat blocks. Made of Hard Lube-anodized 6061-T6 aluminum, sheaves feature Torlon® rollers to carry high radial loads and carbon-black Delrin® balls to support side loads and provide UV protection. (Delrin® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates. Torlon® is a registered trademark of Solvay Advanced Polymers.)
Select sheaves based on load-carrying capability. Installation requires clamping or securing inner race.
Use for:
- Mainsheets
- Spinnaker sheets
- Afterguy/foreguy
- Foot blocks
| Mfg No. | Sheave Diameter |
Width | Max Line Diameter |
Center Pin Diameter |
Fasteners | MWL1 | BL2 |
| 1539 | 2-1/2" (64mm) |
1-3/8" (35mm) |
1/2" (12mm) |
5/16" (8.1mm) |
5/16" (8mm) |
3,000 Lbs (1,361kg) |
6,000 Lbs (2,721kg) |
Harken 1539 Big Boat 2.5" Sheave Replacement
Sale price$257.95
Regular price$293.50
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Harken 1539 Big Boat 2.5" Sheave Replacement
Sale price$257.95
Regular price$293.50