The Barton Size 7 70mm Plain Bearing Pulley Block Single Swivel is a high-load mainsheet pulley designed for large cruising and racing yachts, delivering dependable control and smooth operation in demanding conditions.
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Size / Sheave: 70mm (2 13/16") sheave for powerful line control and reduced friction under heavy loads
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Bearing Type: Plain bearing construction for robust, maintenance-friendly performance (ball-bearing variants available in the Barton range)
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Swivel Design: Single swivel design for versatile line handling and easy attachment in tight rig configurations
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Construction & Materials: High-grade glass fiber nylon reinforced molded side plates with an internal 316 stainless steel frame; frame is through-bolted and riveted for maximum strength and durability
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Rope Size: Maximum rope size: 14mm (9/16"), suitable for larger sheets used on cruising and racing yachts
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System Compatibility: Fully compatible with Barton’s ball-bearing mainsheet traveler system
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Manufacturer / Part: Barton Marine — Part No: N07130; UPC: 5035088082032
Designed to withstand the rigors of offshore cruising and regattas, this pulley block supports smoother mainsheet operation, reduced wear on sheet and hardware, and reliable performance under heavy loads. Its robust through-bolted, riveted frame and glass fiber nylon construction provide lasting strength, while the single swivel adds flexibility for tight rig configurations.
