Poulie double anneau ringot à billes réa 25 pour cordage de 6 à 8mm Wichard.
Poulie double anneau ringot à billes réa 25 pour cordage de 6 à 8mm Wichard.

Double ball bearing block - Sheave 25 - Fixed eye & becket

Part #71214

Description

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
The sheave can be removed for maintenance

Applications

For dinghies and catamarans applications: genoa sheets, boom vang, footmast block, masthead block…
For larger yachts: barber-hauler, various, control lines…

Technical information

  • Materials Grade 316L stainless steel head
    Delrin® ball bearings
    configuration
    Grade 316L stainless steel load straps
    Polycarbonate cheeks
    Composite sheave
  • Rope size Pour cordage de 6 à
  • Length (mm) 78
  • Width (mm) 25
  • Thickness (mm) 34
  • Sheave diameter (mm) 25
  • Working load (kg) 400
  • Breaking load (kg) 800
  • Weight (g) 62

Caption

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