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Block BBB40 TRI./BECK CAM, SW.
Selden Block BBB40 Triple Becket Cam Swivel – S404-101-11R
The Selden BBB40 Triple Becket Cam Swivel Block (S404-101-11R) is a high-performance sailing block designed for smooth rope handling and efficient mechanical advantage systems. Featuring a triple ball-bearing sheave configuration with an integrated becket and cam cleat on a swivel head, it allows controlled line adjustment and reduced friction during operation.
Part of Selden’s BBB40 ball bearing block range, this block uses stainless steel ball bearing races and reinforced composite sheaves to deliver smooth rotation and reliable performance under dynamic loads. It is commonly used in sailing systems such as mainsheets, vangs, and other control line applications.
Key Features
Brand: Selden
Model: S404-101-11R
Block Type: BBB40 triple block with becket, cam cleat, and swivel
Sheave Size: 40mm
Maximum Rope Size: 7mm
Safe Working Load: 540kg
Breaking Load: 1080kg
Pin Diameter: 5mm
Design: Triple sheave system providing up to 6:1 purchase
Applications: Mainsheet systems, vang controls, and sailboat line management systems
A compact and efficient sailing block designed to provide smooth operation, reduced friction, and reliable load handling for marine rigging systems.