$ 696.35
1-2 weeks delivery time
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The Harken 603 76mm Ball Bearing Aluminum Sheave is made from hardcoat-anodized, PTFE-impregnated 6061-T6 aluminum with Torlon® rollers and carbon-black Delrin® balls, designed for special applications and replacements in Big Boat blocks, handling high radial and sideloads.
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Harken 603 - 76mm Ball Bearing Aluminum Sheave Max 18mm Line
These Big Boat sheaves are crafted for special applications and as replacements in Big Boat blocks. Made from hardcoat-anodized, PTFE-impregnated 6061-T6 aluminum, they feature Torlon® rollers for high radial loads and carbon-black Delrin® balls to support sideloads and provide UV protection.
- Sheave diameter: 3 in (76 mm)
- Width: 1 9/16 in (40 mm)
- Weight: 10 oz (284 g)
- Maximum line diameter: 3/4 in (18 mm)
- Fasteners: 3/8 in (10 mm)
- Maximum working load: 4950 lb (2245 kg)
- Breaking load: 9900 lb (4490 kg)
- Center pin diameter: 3/8 in (10 mm)
- Item number: HK603
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