ID
1360912
$ 238.49
1-2 weeks delivery time
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The Barton N17170 is a Size 7 single stand up block with plastic spring and a 70 mm ball bearing sheave, designed for ropes up to 14 mm. Weighing 447 g, it delivers low-friction performance with a safe working load of 1250 kg, break load of 2500 kg, and maximum rolling load of 875 kg. The spring-loaded base maintains optimal alignment, making it ideal for dynamic deck-mounted systems on larger cruising and racing yachts.
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Barton N17170 - Single Stand Up Block with Plastic Spring Size 7 70mm – Ball Bearing, Ø70mm Sheave, Max Rope 14mm
The Barton N17170 Single Stand Up Block with Plastic Spring is part of the Size 7 (70 mm) high load cruising range, designed for superior strength and smooth performance. It features a ball bearing sheave that minimizes friction and ensures efficient operation in dynamic load conditions.
Built with glass fibre reinforced nylon side plates and an internal 316 stainless steel frame, this block is through-bolted and riveted for maximum durability. The stand-up base with integrated plastic spring keeps the block correctly aligned, making it ideal for deck-mounted control systems requiring continuous adjustment and precise handling.
Key Features
- Single sheave stand up block with plastic spring base
- Ball bearing system for smooth, low-friction operation
- Heavy-duty construction with stainless steel internal frame
- Maintains upright position for optimal line lead
- Designed for dynamic high-load sailing systems
Technical Specifications
Part Number N17170 Block Type Single Stand Up with Plastic Spring Size Size 7 (70 mm) Sheave Diameter 70 mm (2 13/16") Sheave Size 72 × 20 mm (2 53/64" × 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 447 g Dimensions 168 × 77 × 68 mm Materials Glass fibre reinforced nylon cheeks, Acetal sheave, 316 stainless steel frame
Applications
- Deck-mounted control lines
- Mainsheet and traveller systems
- Dynamic trimming systems
- Cruising and racing yacht rigging
The Barton Size 7 ball bearing stand up blocks are engineered for high efficiency and smooth load handling, ensuring reliable performance in demanding marine environments where constant adjustment is required.
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