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Block BBB20 SINGLE WEB
Selden Block BBB20 Single Web – S402-101-12R
The Selden BBB20 Single Web Block is a compact ball-bearing pulley designed for smooth rope handling in light-duty marine rigging systems. Featuring a 20 mm ball-bearing sheave and web mounting attachment, this block provides extremely low-friction performance while allowing flexible installation in a variety of rigging setups.
Constructed with glass fibre reinforced composite cheeks and stainless steel load components, the BBB20 block offers excellent durability and corrosion resistance in marine environments. It is commonly used in traveller systems, control lines, flag halyards and other light-duty rigging applications where smooth line movement and dependable performance are required.
Key Features
Part Number: S402-101-12R
Brand: Selden
Block Type: BBB20 Ball Bearing Block
Configuration: Single block with web attachment
Sheave Size: 20 mm
Maximum Rope Size: 6 mm
Safe Working Load: 150 kg
Breaking Load: 300 kg
Ball-bearing sheave for smooth, low-friction operation
Web attachment for flexible mounting options
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 light-duty marine rigging systems.