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Block BBB40 Double
Selden Block BBB40 Double – S404-101-06R
The Selden BBB40 Double Block is a compact ball-bearing pulley designed for smooth rope handling in light to medium-duty marine rigging systems. Featuring two 40 mm ball-bearing sheaves, this block allows efficient multi-line setups while delivering extremely low-friction operation.
Constructed with glass fibre reinforced composite cheeks and stainless steel load components, the BBB40 block provides excellent durability, corrosion resistance and reliable performance in marine environments. It is commonly used in traveller systems, control lines, reefing lines and other light to medium-duty rigging applications where smooth line movement and dependable operation are required.
Key Features
Part Number: S404-101-06R
Brand: Selden
Block Type: BBB40 Ball Bearing Block
Configuration: Double block
Sheave Size: 40 mm
Maximum Rope Size: 10 mm
Safe Working Load: 250 kg
Breaking Load: 500 kg
Two ball-bearing sheaves for smooth multi-purchase systems
Glass fibre reinforced composite cheeks to reduce line jamming
Stainless steel load components for strength and durability
A compact and reliable Selden block designed for smooth rope control and dependable performance in marine rigging systems.