Meet the Barton Marine Size 7 Single Plain Bearing Stand-Up Block — a rugged, high-load solution built for serious sailors. Specifically designed for larger cruising and racing yachts, it delivers smooth, dependable performance under demanding conditions.
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Block type: Size 7 Single Plain Bearing Stand-Up Block
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Block dimensions: Single block size 70 x 20 mm (2-3/4" x 3/4"); Length 162 mm (6-3/8"); Weight 444 g
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Sheave material: Precision molded acetal sheave for smooth rotation
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Bearings: Large-diameter brass bearing for free-running efficiency under heavy loads
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Construction: High-quality injection molded side plates, through-bolted and riveted for durability
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Load capacity: SWL 1250 kg (2750 lbs); Break Load 2500 kg (5500 lbs) with even loading assumptions
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Rope compatibility: Max rope diameter 14 mm (9/16")
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Materials: All load-carrying components are 316-grade stainless steel for corrosion resistance and strength
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Designed for: Specifically for use on larger cruising and racing yachts
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Manufacturer / Part: Barton Marine; Part No: N07170
This block combines a robust brass bearing with a precision acetal sheave to deliver smooth operation under heavy loads, while its corrosion-resistant 316-grade stainless steel components ensure long-term deck reliability. The through-bolted, riveted side-plates provide durable construction suited to demanding sailing environments, and a maximum rope diameter of 14 mm makes it compatible with common yacht control lines. With a substantial 1250 kg working load limit and a 2500 kg break load, it’s well-suited for the needs of larger cruising and racing yachts.
