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Sheave
Harken Self-Contained Sheaves
Self-contained sheaves are designed for sailors to use in custom applications.
The Micro, Bullet, and Big Bullet sheaves are Delrin® with Delrin® ball bearings. They are scored for rope. 16 mm AirBlock® sheaves are Delrin® and feature stainless ball bearings that ride in a grooved race. Midrange sheaves come in either Delrin® or aluminum for wire.
Wire sheaves are Hard Lube-anodized aluminum that ride on high-load composite bearings.
Ball bearings in the 1-1/2 in (38 mm) and 2 in (51 mm) sheaves minimize friction. The 1 in (25 mm) wire sheave uses low-friction washers for this purpose.
Two 160 sheaves make up the 161 dual-sheave universal lead. Use this sheave to divert a line that must turn in either direction.
Use Cruising ESP sheaves to handle high static loads from halyards and reef lines. Sheaves are carbon-black Delrin® for UV protection and turn on stainless steel spacers. Contained sideload ball bearings allow sheaves to spin freely when loads are released. Sheaves require a sideplate for the sideload balls to roll on.
Delrin® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.
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- Metric
| Sheaves (Imperial) | |||||||||
| Code | Part No. | Description | Sheave Dia. (in) | Width (in) | Weight (oz) | Center pin Dia. (in) | Max Line Dia. (in) | Max Wire Dia. (in) | Maximum working load (lb) |
|---|---|---|---|---|---|---|---|---|---|
| HAR160 | 160 | 29 mm | 1 1/8 | 1/2 | 1/4 | 1/4 | 5/16 | 300 | |
| HAR161 | 161 | 29 mm | 1 1/8 | 7/8 | 1/4 | 1/4 | 5/16 | 300 | |
| HAR265 | 265 | 38 mm | 1 1/2 | 9/16 | 1/4 | 1/4 | 3/8 | 300 | |
| HAR277 | 277 | 22 mm | 7/8 | 13/32 | 3/16 | 3/16 | 1/4 | 200 | |
| HAR303 | 303 | 25 mm | 1 | 9/32 | 0.25 | 3/16 | 5/32 | 3/32 | 1000 |
| HAR307 | 307 | 38 mm | 1 1/2 | 13/32 | 1 | 1/4 | 3/16 | 1/8 | 1500 |
| HAR311 | 311 | 51 mm | 2 | 13/32 | 1.5 | 5/16 | 1/4 | 3/16 | 2000 |
| HAR415 | 415 | 16 mm | 5/8 | 5/16 | 0.13 | 3/16 | 3/16 | 250 | |
| HAR1533 | 1533 | 51 mm | 2 | 7/8 | 1.5 | 1/4 | 5/8 | 500 | |
| HAR1534 | 1534 | 51 mm/aluminum | 2 | 7/8 | 2.5 | 1/4 | 5/8 | 3/16 | 500 |
| HAR2760 | 2760 | 57 mm | 2 1/4 | 5/8 | 0.88 | 1/4 | 3/8 | 300 | |
| HAR6062 | 6062 | 40 mm | 1 9/16 | 11/16 | 0.8 | 5/16 | 1/2 | 1250 | |
| HAR6063 | 6063 | 57 mm | 2 1/4 | 13/16 | 1.6 | 3/8 | 5/8 | 2500 | |
| HAR6064 | 6064 | 75 mm | 2 15/16 | 7/8 | 4.4 | 3/8 | 3/4 | 3500 | |
| Sheaves (Metric) | |||||||||
| Code | Part No. | Description | Sheave Dia. (mm) | Width (mm) | Weight (g) | Center pin Dia. (mm) | Max Line Dia. (mm) | Max Wire Dia. (mm) | Maximum working load (kg) |
|---|---|---|---|---|---|---|---|---|---|
| HAR160 | 160 | 29 mm | 29 | 12 | 7 | 6.27 | 8 | 136 | |
| HAR161 | 161 | 29 mm | 29 | 22 | 28 | 6.27 | 8 | 136 | |
| HAR265 | 265 | 38 mm | 38 | 14 | 14 | 6.27 | 10 | 136 | |
| HAR277 | 277 | 22 mm | 22 | 10 | 3 | 4.75 | 6 | 91 | |
| HAR303 | 303 | 25 mm | 25 | 7 | 7 | 4.75 | 4 | 2 | 454 |
| HAR307 | 307 | 38 mm | 38 | 10 | 28 | 6.27 | 5 | 3 | 680 |
| HAR311 | 311 | 51 mm | 51 | 10 | 43 | 8.1 | 6 | 5 | 907 |
| HAR415 | 415 | 16 mm | 16 | 8 | 4 | 4.75 | 5 | 113 | |
| HAR1533 | 1533 | 51 mm | 51 | 22 | 43 | 6.27 | 16 | 227 | |
| HAR1534 | 1534 | 51 mm/aluminum | 51 | 22 | 71 | 6.27 | 16 | 5 | 227 |
| HAR2760 | 2760 | 57 mm | 57 | 15 | 25 | 6.27 | 10 | 136 | |
| HAR6062 | 6062 | 40 mm | 40 | 17 | 23 | 8.1 | 12 | 567 | |
| HAR6063 | 6063 | 57 mm | 57 | 21 | 46 | 10 | 16 | 1134 | |
| HAR6064 | 6064 | 75 mm | 75 | 22 | 126 | 10 | 19 | 1588 | |
