Selden PBB70 Single Block with Becket 70 mm – Plain Bearing

The Selden PBB70 single block with becket (407-001-02) is designed for high-load sailing systems where additional purchase is required. The integrated becket allows the creation of efficient tackle systems, making this block ideal for mainsheet, boom vang and cascade setups.

As part of the Selden PBB70 plain bearing range, this block is optimized for high static loads and controlled trimming. It is particularly suited for applications where strength, durability and reliability are critical.

The block features a 70 mm glass fibre-reinforced sheave with polymer bushing, ensuring smooth rope handling under load. The stainless steel reinforcement strap and fibre-reinforced composite cheeks provide excellent strength and prevent line jamming.

The swivel head with sliding locking mechanism allows flexible alignment or fixed positioning depending on the installation.

With a safe working load of 1500 kg and breaking load of 3000 kg, this block is suitable for demanding rigging systems on cruising and performance yachts.

Key features:

• Single block with integrated becket (PBB70 series)
• Sheave diameter: 70 mm
• Maximum line diameter: 14 mm
• Safe working load: 1500 kg
• Breaking load: 3000 kg
• Weight: approx. 330–360 g
• Pin diameter: 8 mm
• Shackle diameter: 6 mm

Applications on board:

• Mainsheet tackle systems
• Boom vang (kicker) systems
• Cascades and purchase systems
• Halyard systems requiring additional purchase

A strong and versatile block for sailors who need reliable performance in high-load tackle configurations.