Wichard Single Ball Bearing Block - Fixed Head with Clevis
- Complete range of ball bearing blocks
- Modern design
- Innovative design with two lateral races of ball bearings
- Smooth running for low load and high speed action
- Under high load the hub runs on stainless steel bush which allows the sheave to run freely
- Light cheeks protecting the sheave
- Wide choice of fastenings thanks to the universal head
Applications:
- Mainsail systems and travelers
- Spinnaker sheets
- Genoa sheets
- Running backstays
Materials:
Grade 316L stainless steel head configuration
Grade 316L stainless steel load straps
POM cheeks
Delrin® ball bearings
Composite saddle for cam models
Composite sheave
Terminal (shackle i.e…): 316L stainless steel grade
| Part Number | Sheave Diameter | Rope size | Length | Width | Thickness | Sheave diameter | Working load | Breaking load | Weight |
|---|---|---|---|---|---|---|---|---|---|
| WCH-72117 | 35mm | 8 - 9mm | 72mm | 37mm | 23mm | 35mm | 320kg | 500kg | 55g |
| WCH-73117 | 45mm | 10mm | 87mm | 49mm | 26mm | 45mm | 400kg | 700kg | 89g |
| WCH-74117 | 55mm | 12mm | 107mm | 63mm | 29mm | 55mm | 720kg | 1200kg | 157g |
| WCH-75117 | 70mm | 14mm | 132mm | 80mm | 39mm | 70mm | 1200kg | 2000kg | 320g |
