Wichard Triple Ball Bearing Block - Swivel Head
- 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
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 | Schackle diameter | Working load | Breaking load | Weight |
|---|---|---|---|---|---|---|---|---|---|---|
| WCH-72305 | 35mm | 8 - 9mm | 84mm | 37mm | 58mm | 35mm | 5mm | 560kg | 1000kg | 149g |
| WCH-73305 | 45mm | 10mm | 97mm | 49mm | 67mm | 45mm | 5mm | 560kg | 1000kg | 243g |
| WCH-74305 | 55mm | 12mm | 119mm | 63mm | 75mm | 55mm | 6mm | 880kg | 1500kg | 410g |
| WCH-75305 | 70mm | 14mm | 153mm | 80mm | 97mm | 70mm | 8mm | 1600kg | 2700kg | 895g |
