
Harken 75mm Runner Block
Harken 75mm Runner Block
Runners are used on running backstays of offshore boats to adjust mast bend for different wind conditions. Integrated sideplate bails and recessed cotter key help produce a smooth design that won’t snag lifelines. Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon roller bearings separated and parallel to reduce friction. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.
Technical Description
| Sheave Ø (mm) | 75 mm |
| Sheave Ø (in) | 2 15/16 in |
| Length (mm) | 118 mm |
| Length (in) | 4 5/8 in |
| Weight (g) | 288 g |
| Weight (oz) | 10.16 oz |
| Maximum line Ø (mm) | 14 mm |
| Maximum line Ø (in) | 9/16 in |
| Maximum working load (kg) | 2268 kg |
| Maximum working load (lb) | 5000 lb |
| Breaking load (kg) | 4536 kg |
| Breaking load (lb) | 10000 lb |
| Clevis pin Ø (mm) | 12.7 mm |
| Clevis pin Ø (in) | 1/2 in |
Harken 75mm Runner Block
Runners are used on running backstays of offshore boats to adjust mast bend for different wind conditions. Integrated sideplate bails and recessed cotter key help produce a smooth design that won’t snag lifelines. Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon roller bearings separated and parallel to reduce friction. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.
Technical Description
| Sheave Ø (mm) | 75 mm |
| Sheave Ø (in) | 2 15/16 in |
| Length (mm) | 118 mm |
| Length (in) | 4 5/8 in |
| Weight (g) | 288 g |
| Weight (oz) | 10.16 oz |
| Maximum line Ø (mm) | 14 mm |
| Maximum line Ø (in) | 9/16 in |
| Maximum working load (kg) | 2268 kg |
| Maximum working load (lb) | 5000 lb |
| Breaking load (kg) | 4536 kg |
| Breaking load (lb) | 10000 lb |
| Clevis pin Ø (mm) | 12.7 mm |
| Clevis pin Ø (in) | 1/2 in |
Description
Harken 75mm Runner Block
Runners are used on running backstays of offshore boats to adjust mast bend for different wind conditions. Integrated sideplate bails and recessed cotter key help produce a smooth design that won’t snag lifelines. Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon roller bearings separated and parallel to reduce friction. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.
Technical Description
| Sheave Ø (mm) | 75 mm |
| Sheave Ø (in) | 2 15/16 in |
| Length (mm) | 118 mm |
| Length (in) | 4 5/8 in |
| Weight (g) | 288 g |
| Weight (oz) | 10.16 oz |
| Maximum line Ø (mm) | 14 mm |
| Maximum line Ø (in) | 9/16 in |
| Maximum working load (kg) | 2268 kg |
| Maximum working load (lb) | 5000 lb |
| Breaking load (kg) | 4536 kg |
| Breaking load (lb) | 10000 lb |
| Clevis pin Ø (mm) | 12.7 mm |
| Clevis pin Ø (in) | 1/2 in |














