Selden PBB50 Cheek Block R260 – 50 mm Plain Bearing Mast Block

The Selden PBB50 cheek block R260 (405-001-16) is specifically designed for mounting on curved mast profiles, providing efficient and reliable line guidance.

Thanks to its R260 curved base, this block fits perfectly onto Selden mast sections, ensuring optimal alignment and reduced friction when redirecting lines such as outhauls or halyards.

Key features:

• Cheek block with R260 curved base for mast mounting
• 50 mm acetal sheave for smooth rope handling
• Suitable for lines up to 12 mm
• Safe working load: 650 kg
• Breaking load: 1300 kg
• Weight: approx. 83 g
• Mounting: 3 x M5 bolts

Construction & durability:

• Glass fibre reinforced composite cheeks prevent line jamming
• Stainless steel strap for strength and long service life
• Plain bearing system for reliable performance under static and high loads
• Curved base ensures optimal contact and load distribution on mast surfaces

Applications onboard:

• Mast-mounted line guides
• Outhaul and halyard routing
• Mast base control systems
• Cruising and racing sailboats

A compact and purpose-built block for clean and efficient line routing on curved mast sections.