Poulie double émerillon mousqueton de drisse à billes Wichard.
Poulie double émerillon mousqueton de drisse à billes Wichard.

Double ball bearing block - Sheave 45 - Swivel snap shackle

Part #73207


Complete range of ball bearing blocks
Modern design
Innovative design with two lateral races of ball bearings
Smooth running for low load adnhigh 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


Mainsail systems and travelers
Spinnaker sheets
Genoa sheets
Running backstays

Technical information

  • 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
  • Rope size Pour cordage de 10 mm
  • Length (mm) 110
  • Width (mm) 49
  • Thickness (mm) 46
  • Schackle diameter (mm) 5
  • Working load (kg) 480
  • Breaking load (kg) 1000
  • Weight (g) 208


Working load (WL) : for nautical applications

Working Load Limit (WLL): for industrial applications only.
The safety factor is 5 times the breaking load.
WLL = Breaking load / 5