The Wichard 55mm Single Ball Bearing Block with Swivel Snap Shackle is engineered for optimal performance and durability in demanding marine environments. This high-strength pulley system is ideal for applications such as mainsail systems, spinnaker sheets, genoa sheets, and running backstays.
- High-Strength Construction: Crafted with Grade 316L stainless steel for the head and load straps, ensuring exceptional durability and resistance to corrosion.
- Smooth Operation: Equipped with Delrin® ball bearings and a composite sheave, providing smooth running for low load and high-speed action. Under high load, the hub runs on a stainless steel bush, allowing the sheave to run freely.
- Versatile Attachment Options: Features a universal head with a forged stainless steel snap shackle, offering a wide choice of fastenings such as rings and snap hooks. The swivel design allows for easy rotation and changing of fastenings.
- Protective Design: Lightweight POM (Polyoxymethylene) cheeks protect the sheave, enhancing its lifespan.
Technical Specifications:
- Sheave Diameter: 55 mm
- Length: 126 mm
- Width: 63 mm
- Thickness: 29 mm
- Working Load: 720 kg
- Breaking Load: 1500 kg
- Weight: 200 g
- Rope Size Compatibility: Suitable for ropes up to 12 mm in diameter
Materials:
- Head and Load Straps: Grade 316L stainless steel
- Cheeks: POM (Polyoxymethylene)
- Sheave: Composite material
- Ball Bearings: Delrin®