The Barton Marine Size 3 Single Plain Bearing Block with Swivel is a compact, high-load control block designed for reliable sail handling on small sailing craft. Built for dinghies, day boats, and light cruising yachts, it combines smooth operation with twist-free rigging for easy, efficient sail control.
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Size: Size 3 single plain bearing block with swivel
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Construction: Precision-molded acetal sheave running on a large diameter brass bearing for smooth operation under heavy load
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Swivel Head: Fully swivelling head with removable shackle for quick rigging and flexible line routing
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Load Ratings: Safe Working Load (SWL) 400 kg (881 lbs); Break Load 800 kg (1763 lbs)
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Dimensions: Length 100 mm (3-15/16"); Single sheave 45 x 13 mm (1-3/4" x 1/2"); Weight 73 g
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Rope Compatibility: Suitable for rope up to 10 mm (3/8") diameter
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Ideal Applications: Designed for dinghies, day boats, and light cruising yachts
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Durability & Serviceability: Built for easy service and long life to withstand the rigors of sail control
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Manufacturer & Part: Barton Marine • Part No N03130
This block delivers dependable sail control by pairing a durable brass bearing with a precise acetal sheave, providing smooth performance under load. The swivel head minimizes line twists and makes rigging faster, while the removable shackle allows flexible line routing for efficient sail handling on small craft.
