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Block PBB50 CHEEK R40
Selden Block PBB50 Cheek R40 – 405-001-17R
The Selden PBB50 Cheek R40 Block is a robust plain-bearing pulley designed for guiding rope along flat mounting surfaces such as decks, masts or booms. Built with a 50 mm acetal sheave and reinforced composite cheeks, this cheek block provides smooth rope movement and dependable performance in demanding marine environments.
The fixed cheek design keeps the block securely mounted while efficiently redirecting lines. It is commonly used in halyard tuning, boom vang systems, mainsheet setups and other control line applications where strength and reliability are required.
Key Features
Part Number: 405-001-17R
Brand: Selden
Block Type: PBB50 Plain Bearing Block
Configuration: Cheek block (R40)
Sheave Size: 50 mm
Sheave Material: Acetal
Maximum Rope Size: 12 mm
Safe Working Load: 650 kg
Breaking Load: 1300 kg
Mounting: 3 × M5 fixing points
Glass fibre reinforced composite cheeks to prevent line jamming
Stainless steel strap construction for strength and durability
A strong and dependable Selden cheek block designed for smooth rope control and long service life in marine rigging systems.