ALLEN single block, plain bearing, 25mm - with or without hook

ALLEN Single Block with Plain Bearing 25mm – Compact Block with POM Roller

The ALLEN single block with a 25mm POM roller bearing is the ideal solution for compact sail applications. Made from high-quality materials with an acetal (POM) roller, this single block offers maximum reliability and durability. Available in two versions: simple or with a hook for flexible attachment.

Ideal for sailboats, yachts, and demanding marine applications. The plain bearing design ensures smooth operation, while the high-quality materials (acetal sheave, stainless steel components) guarantee long-lasting performance even under harsh marine conditions. With a breaking strength of 400 kg and suitable for rope diameters up to 8 mm, this compact single block is perfect for versatile use on board.

Product features

• Plain bearing design – smooth operation without maintenance
• POM roller (acetal) Ø 25mm – durable and wear-resistant
• Stainless steel components – highest corrosion resistance
• Breaking load (BRL): 400 kg – for both variants
• Suitable for ropes up to 8 mm in diameter – versatile in use
• Two versions available – simple or with hooks
• HA4178: simple, 41mm, 13g
• HA4178E: simple with hook, 71mm, 38g
• Compact design – lightweight and handy
• ALL quality – proven reliability in sailing
• Maritime quality – perfect for use on board

Technical specifications: Manufacturer ALLEN, roller Ø 25mm, roller material POM (acetal), plain bearing, stainless steel components, for rope Ø up to 8mm, breaking load 400kg, compact design.

Applications: Ideal for sailboats, yachts, and professional marine applications. Perfect for halyards, sheets, vangs, and versatile deck applications. The plain bearing design ensures smooth, maintenance-free operation, while the POM sheave guarantees long-lasting quality. The hook version offers flexible mounting options. Trust ALLEN quality for professional sailing solutions.