ID
1360869
$ 119.74
1-2 weeks delivery time
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The Barton N15231 is a Size 5 double swivel block with becket and two 54 mm ball bearing sheaves, designed for ropes up to 12 mm. Weighing 288 g, it delivers smooth low-friction performance with a safe working load of 750 kg and break load of 1500 kg, making it ideal for dynamic multi-purchase systems requiring rotation and secure rope termination.
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Barton N15231 – Double Swivel Block with Becket Size 5 54mm, Ball Bearing, 2x Ø54mm Sheaves, Max Rope 12mm
The Barton N15231 Double Swivel Block with Becket is part of the heavy-duty Size 5 (54 mm) range, engineered for high-performance sailing applications. Featuring two ball bearing sheaves, this block ensures smooth, low-friction operation, making it ideal for dynamic and frequently adjusted systems.
The swivel attachment allows full rotation under load, maintaining optimal alignment and reducing line twist, while the integrated becket provides a secure point for rope termination in multi-purchase systems. Constructed with marine-grade 316 stainless steel load components and reinforced moulded side plates, the block is through-bolted and riveted for maximum durability and strength.
Key Features
- Double sheave block with swivel and integrated becket
- Ball bearing system for smooth, low-friction performance
- Free rotation under load for optimal alignment
- Integrated becket for rope termination
- Designed for dynamic multi-purchase systems
- Heavy-duty construction with stainless steel internal frame
- Through-bolted and riveted side plates for superior strength
- Weight – 288 g
Technical Specifications
Part Number N15231 Block Type Double Swivel + Becket Size Size 5 (54 mm) Sheave Diameter 2 × 54 mm x 17 mm (2 1/8" x 5/8") Bearing Type Ball Bearing Number of Sheaves Double Max Rope Diameter 12 mm (7/16") Safe Working Load (SWL) 750 kg (1650 lbs) Break Load 1500 kg (3300 lbs) Max Rolling Load 525 kg (1157 lbs) Weight 288 g Dimensions 155 × 59 × 58 mm
Applications
- Multi-purchase systems with rope termination
- Mainsheet and traveller systems
- Dynamic control and trimming setups
- Cruising and racing yachts
- Applications requiring rotation and alignment under load
The Barton Size 4/5 block range is designed for small to medium cruising yachts up to 10 m, offering robust construction, 316 stainless steel load components, and reliable high-load performance. :contentReference[oaicite:0]{index=0}
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