ID
1360741
$ 107.83
1-2 weeks delivery time
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The Barton N05231 is a Size 5 double swivel block with becket and two 54 mm plain bearing sheaves, designed for ropes up to 12 mm. Weighing 312 g, it is optimized for high static loads with a safe working load of 750 kg and break load of 1500 kg, making it ideal for heavy-duty multi-purchase systems requiring rotation and secure rope termination.
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Barton N05231 – Double Swivel Block with Becket Size 5 54mm, Plain Bearing, 2x Ø54mm Sheaves, Max Rope 12mm
The Barton N05231 Double Swivel Block with Becket is part of the heavy-duty Size 5 (54 mm) range, engineered for strength and durability in demanding marine environments. Featuring two plain bearing sheaves, this block is optimized for high static load applications and consistent performance under sustained loads.
The swivel attachment allows free 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 structural integrity.
Key Features
- Double sheave block with swivel and integrated becket
- Plain bearing system optimized for high-load applications
- Free rotation under load for optimal alignment
- Integrated becket for rope termination
- Designed for multi-purchase systems
- Heavy-duty construction with stainless steel internal frame
- Through-bolted and riveted side plates for superior strength
- Weight – 312 g
Technical Specifications
Part Number N05231 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 Plain 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) Weight 312 g Dimensions 155 × 59 × 58 mm
Applications
- Multi-purchase systems with rope termination
- Mainsheet and traveller systems
- Heavy-duty control line 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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