DESCRIPTION
DESCRIPTION
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.
Breaking load based on use of solid 304 stainless shafts.
Our Part # HAR693 | Mfr. Part # 693
FEATURES
FEATURES
- 5.0 inch (127 mm) sheave diameter.
- High-strength, lightweight composite material.
- Ensures smooth, efficient rope movement.
- Ideal replacement or upgrade component.
- Compatible with specific Harken block series.
TECHNICAL INFORMATION
TECHNICAL INFORMATION
| Description | Imperial | Metric |
|---|---|---|
| Sheave | 5 in | 12.7 cm |
| Width | 3/4 in | 19 mm |
| Weight | 12 oz | 340 g |
| Center Pin | 3/4 in | 19.1 mm |
| Maximum Line | 1/2 in | 12.0 mm |
| Maximum Wire | 5/16 in | 8 mm |
| Maximum working load | 12000 lb | 5443 kg |
| Breaking Load | 37100 lb | 16828 kg |
