ID
1360839
$ 86.89
1-2 weeks delivery time
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The Barton N13231 is a Size 3 double swivel block with integrated becket, featuring two 45 mm ball bearing sheaves for ropes up to 10 mm. Weighing 152 g, it is designed for smooth, low-friction operation with automatic alignment and secure rope termination. With a safe working load of 400 kg and break load of 800 kg, it is ideal for dynamic mainsheet, vang, and multi-purchase control systems.
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Barton N13231 - Double Swivel Block with Becket Size 3 45mm – Ball Bearing, 2x Ø45mm Sheaves, Max Rope 10mm
The Barton N13231 Double Swivel Block with Becket is part of the Size 3 (45 mm) range and features two ball bearing sheaves for smooth, low-friction performance. The integrated becket allows secure rope termination, while the swivel attachment ensures optimal alignment under varying load directions.
The double sheave configuration provides efficient 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. The ball bearing system is ideal for dynamic applications requiring frequent adjustment and precise control.
Key Features
- Double sheave block with swivel attachment and becket
- Ball bearing system for smooth, low-friction operation
- Swivel head for automatic alignment under load
- Becket for secure rope termination
- High-strength and lightweight construction
Technical Specifications
Part Number N13231 Block Type Double Swivel Block with Becket Size Size 3 (45 mm) Sheave Diameter 2 × 45 mm x 13 mm (1 3/4" x 33/64") Bearing Type Ball Bearing Number of Sheaves Double Max Rope Diameter 10 mm (3/8") Safe Working Load (SWL) 400 kg (880 lbs) Break Load 800 kg (1760 lbs) Max Rolling Load 270 kg (595 lbs) Weight 152 g Dimensions 118 × 46 × 47 mm Materials Glass fibre reinforced nylon cheeks, acetal sheaves, 316 stainless steel fittings, Delrin ball bearings
Applications
- Mainsheet and trimming systems
- Vang and kicker systems
- Dynamic multi-purchase systems
- Dinghies, dayboats and small cruising yachts
The Barton N13231 delivers smooth and efficient performance, combining low friction, automatic alignment, and secure line termination for demanding sailing applications.
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