ID
1360859
$ 68.15
1-2 weeks delivery time
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The Barton N15121 is a Size 5 single reverse shackle block with becket and a 54 mm ball bearing sheave, designed for ropes up to 12 mm. Weighing 185 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 high-load systems with flexible mounting and rope termination.
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Barton N15121 – Single Reverse Shackle Block with Becket Size 5 54mm, Ball Bearing, Ø54mm Sheave, Max Rope 12mm
The Barton N15121 Single Reverse Shackle Block with Becket is part of the heavy-duty Size 5 (54 mm) range, designed for high-performance sailing applications. Featuring a ball bearing sheave, this block ensures smooth, efficient operation with reduced friction, ideal for frequently adjusted systems.
The reverse shackle configuration enables flexible mounting at various angles, while the integrated becket provides a secure attachment point for rope termination in multi-purchase systems. Built with marine-grade 316 stainless steel load components and reinforced moulded side plates, the block is through-bolted and riveted for maximum strength and durability.
Key Features
- Single sheave block with reverse shackle and integrated becket
- Ball bearing system for smooth, low-friction performance
- Flexible angled mounting capability
- Secure rope termination via becket
- Heavy-duty construction with stainless steel internal frame
- Through-bolted and riveted side plates for superior strength
- Designed for dynamic and high-load systems
- Weight – 185 g
Technical Specifications
Part Number N15121 Block Type Single Reverse Shackle + Becket Size Size 5 (54 mm) Sheave Diameter 54 mm x 17 mm (2 1/8" x 5/8") Bearing Type Ball Bearing Number of Sheaves Single 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 185 g Dimensions 148 × 58 × 40 mm
Applications
- Mainsheet and traveller systems
- Dynamic control and trimming systems
- Vang and kicker systems
- Cruising and racing yachts
- Multi-purchase systems with rope termination
- Rigging setups requiring flexible angled attachment
The Barton Size 5 ball bearing blocks are engineered for high efficiency and smooth operation, delivering reliable performance in demanding marine environments where low friction and precise control are critical. :contentReference[oaicite:0]{index=0}
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