ID
1360712
$ 73.99
1-2 weeks delivery time
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The Barton N03330 is a Size 3 triple swivel block featuring three 45 mm plain bearing sheaves for ropes up to 10 mm. Weighing 166 g, it is designed for high-load multi-purchase systems requiring automatic alignment under load. With a safe working load of 400 kg and break load of 800 kg, it delivers reliable performance for mainsheet, vang, and complex control line setups.
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Barton N03330 - Triple Swivel Block Size 3 45mm – Plain Bearing, 3x Ø45mm Sheaves, Max Rope 10mm
The Barton N03330 Triple Swivel Block is part of the Size 3 (45 mm) range and features three plain bearing sheaves for dependable load handling. The swivel attachment allows free rotation, ensuring optimal alignment under varying load directions and improving system efficiency.
The triple sheave configuration provides maximum load distribution and increased mechanical advantage in compact rigging systems. The Size 3 range incorporates modern construction with stainless steel frames and advanced materials, including 30% glass fibre reinforced nylon cheeks and acetal sheaves, delivering high strength while maintaining low weight. The plain bearing system is well suited for higher static loads and continuous operation.
Key Features
- Triple sheave block with swivel attachment
- Plain bearing sheaves for reliable load handling
- Swivel head for automatic alignment under load
- Maximum mechanical advantage for complex systems
- High-strength and lightweight construction
Technical Specifications
Part Number N03330 Block Type Triple Swivel Block Size Size 3 (45 mm) Sheave Diameter 3 × 45 mm x 13 mm (1 3/4" x 33/64") Bearing Type Plain Bearing Number of Sheaves Triple Max Rope Diameter 10 mm (3/8") Safe Working Load (SWL) 400 kg (880 lbs) Break Load 800 kg (1760 lbs) Weight 166 g Dimensions 96 × 63 × 47 mm Materials Glass fibre reinforced nylon cheeks, acetal sheaves, 316 stainless steel fittings, brass plain bearings
Applications
- Mainsheet and trimming systems
- Vang and kicker systems
- High-ratio multi-purchase systems
- Dinghies, dayboats and small cruising yachts
The Barton N03330 provides a versatile and efficient solution for maximum mechanical advantage and automatic alignment, ensuring reliable performance in demanding sailing applications.
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