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Barton N11331 - Triple Swivel Block with Becket Size 1 30mm – Ball Bearing, 3x Ø30mm Sheaves, Max Rope 8mm
The Barton N11331 Triple Swivel Block with Becket is part of the Size 1 (30 mm) range, featuring three ball bearing sheaves and an internal steel frame for enhanced strength and durability. The integrated becket allows secure rope termination in compact multi-purchase systems.
The swivel attachment ensures automatic alignment with the load direction, reducing line twist and improving efficiency. The ball bearing system delivers low-friction performance for dynamic and frequently adjusted rigging systems, making this block ideal for dinghies, racing boats, and performance sailing applications.
Key Features
- Triple sheave block with swivel and integrated becket
- Ball bearing system for smooth, low-friction operation
- Internal steel frame for increased strength and durability
- Swivel connection for flexible load alignment
- Becket for rope termination in purchase systems
- Lightweight construction – 98 g
Technical Specifications
Part Number N11331 Block Type Triple Swivel + Becket Size Size 1 (30 mm) Sheave Diameter 3 × 30 mm x 12 mm (1 3/16"" x 15/32"") Bearing Type Ball Bearing Number of Sheaves Triple Max Rope Diameter 8 mm (5/16"") Safe Working Load (SWL) 355 kg (782 lbs) Break Load 710 kg (1565 lbs) Max Rolling Load 245 kg (540 lbs) Weight 98 g Dimensions 85 × 56 × 32 mm
Applications
- Dynamic multi-purchase systems with rope termination
- Control and trimming systems
- Dinghies and performance sailing boats
- Rigging setups requiring flexible alignment and low friction
The Barton Size 1 ball bearing triple swivel blocks with becket are engineered for maximum efficiency and smooth operation, delivering reliable performance in compact sailing systems.
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