Description
Description
Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Made of hardcoat-anodized, PTFE-impregnated 6061-T6 aluminum, sheaves feature Torlon® rollers to carry high radial loads and carbon-black Delrin® balls to support sideloads 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 L.L.C.
Our Part # HAR520 | Mfr. Part # 520
Technical Information
Technical Information
| Description | Imperial | Metric |
|---|---|---|
| Sheave | 7 in | 178 mm |
| Width | 1 1/8 in | 29 mm |
| Weight | 45 oz | 1280 g |
| Center Pin | 1 1/2 in | 38 mm |
| Fasteners | 1/2 in | 12 mm |
| Fastener Circle | 2 1/2 in | 64 mm |
| Maximum Line | 7/8 in | 22 mm |
| Maximum working load | 14000 lb | 6349 kg |
| Breaking Load | 28000 lb | 12698 kg |
