ID
1360910
$ 173.37
1-2 weeks delivery time
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The Barton N17131 is a Size 7 single swivel block with becket and a 70 mm ball bearing sheave, designed for ropes up to 14 mm. Weighing 394 g, it delivers smooth low-friction performance with a safe working load of 1250 kg and break load of 2500 kg, making it ideal for dynamic control systems requiring flexible alignment and secure rope termination.
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Barton N17131 – Single Swivel Block with Becket Size 7 70mm, Ball Bearing, Ø70mm Sheave, Max Rope 14mm
The Barton N17131 Single Swivel Block with Becket is part of the heavy-duty Size 7 (70 mm) high load cruising range, engineered for superior strength and performance. Featuring a ball bearing sheave, this block ensures smooth, low-friction operation, making it ideal for dynamic systems requiring frequent adjustment.
The swivel head allows full rotation for optimal alignment under varying load directions, while the integrated becket provides a secure rope termination point for use in purchase systems. Constructed with glass fibre reinforced nylon side plates and an internal 316 stainless steel frame, the block is through-bolted and riveted for maximum durability and strength.
Key Features
- Single sheave block with swivel head and integrated becket
- Ball bearing system for smooth, low-friction performance
- Swivel allows full rotation for optimal alignment
- Secure rope termination for purchase systems
- Optimized for dynamic control and trimming systems
- Glass fibre reinforced nylon side plates
- Internal 316 stainless steel load frame
- Through-bolted and riveted construction for maximum durability
- Suitable for larger cruising and racing yachts
- Weight – 394 g
Technical Specifications
Part Number N17131 Block Type Single Swivel + Becket Size Size 7 (70 mm) Sheave Diameter 72 mm x 20 mm (2 53/64" x 3/4") Bearing Type Ball Bearing Number of Sheaves Single Max Rope Diameter 14 mm (9/16") Safe Working Load (SWL) 1250 kg (2750 lbs) Break Load 2500 kg (5500 lbs) Max Rolling Load 875 kg (1929 lbs) Weight 394 g Dimensions 195 × 77 × 41 mm
Applications
- Dynamic purchase systems with rope termination
- Mainsheet and traveller setups
- Control and trimming systems
- Cruising and racing yachts
- Rigging requiring full rotational alignment
The Barton Size 7 block range is engineered for superior strength and performance, featuring reinforced construction and stainless steel load frames for reliable operation under increased loads.
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