ID
1360840
$ 73.85
1-2 weeks delivery time
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The Barton N13250 is a Size 3 double upright block featuring two 45 mm ball bearing sheaves for ropes up to 10 mm. Weighing 176 g, it is designed for deck-mounted applications requiring smooth, low-friction operation and stable line guidance. With a safe working load of 400 kg and break load of 800 kg, it is ideal for mainsheet, vang, and control line systems.
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Barton N13250 - Double Upright Block Size 3 45mm – Ball Bearing, 2x Ø45mm Sheaves, Max Rope 10mm
The Barton N13250 Double Upright Block is part of the Size 3 (45 mm) range and features two ball bearing sheaves for smooth, low-friction performance. The upright design allows secure mounting directly onto the deck, providing a fixed and stable line lead position.
Upright blocks are specifically designed to be installed on deck surfaces, ensuring consistent line routing and improved control. The double sheave configuration enables efficient load distribution and increased mechanical advantage in compact systems. The Size 3 range incorporates modern construction with stainless steel frames and advanced materials, including 30% glass fibre reinforced nylon cheeks and acetal sheaves. The ball bearing system is ideal for dynamic applications requiring frequent adjustment and precise control.
Key Features
- Double sheave upright block for deck mounting
- Ball bearing system for smooth, low-friction operation
- Fixed position design for stable line guidance
- Efficient load distribution in multi-purchase systems
- High-strength and lightweight construction
Technical Specifications
Part Number N13250 Block Type Double Upright Block Size Size 3 (45 mm) Sheave Diameter 2 × 45 mm x 13 mm (1 3/4" x 33/64") Bearing Type Ball Bearing Number of Sheaves Double Max Rope Diameter 10 mm (3/8") Safe Working Load (SWL) 400 kg (880 lbs) Break Load 800 kg (1760 lbs) Max Rolling Load 270 kg (595 lbs) Weight 176 g Dimensions 74 × 70 × 60 mm Materials Glass fibre reinforced nylon cheeks, acetal sheaves, 316 stainless steel fittings, Delrin ball bearings
Applications
- Deck-mounted control line systems
- Mainsheet and vang setups
- Dynamic trimming systems
- Dinghies, dayboats and small cruising yachts
The Barton N13250 delivers smooth and efficient performance in fixed-position installations, making it ideal for applications requiring precise control and minimal friction.
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