Ronstan Series 20 Triple Block Becket With 2 Axis Shackle Head

Ronstan series 20 ball bearing triple block with becket. Shackle can be fitted in either of two planes to allow correct alignment of the block.
SKU RORF20312
In stock
Description

Ronstan series 20 ball bearing triple block with becket. Shackle can be fitted in either of two planes to allow correct alignment of the block.

Precision moulded Acetal sheaves running on stainless steel ball bearings provide high performance & low friction. They are typically used as lead blocks or to create powerful, efficient purchase systems.

Applications

  • Dinghy control lines
  • Dinghy vangs
  • Cunninghams
  • Traveller controls

Materials

  • Stainless steel ball bearings
  • UV stabilised Acetal sheave
  • Grade 316 stainless steel load strap and head fitting
  • Impact and UV resistant, fibre reinforced Nylon cheeks

 Features

  • Low friction
  • High static and dynamic load capacity
  • Lightweight
More Information
SKURORF20312
Weight64g
Attachment MethodFixed Head, Removable Head, Shackle
Bearing TypeBall Bearing
Block OptionsBecket
Block TypeTriple
Sheave Diameter (mm)20.00
Max Rope Width (mm)6.00
Max Working Load (kg)400
Breaking Load (kg)850
Length (mm)68
Pin Diameter (mm)4

Important Note - Break Loads
Where break and safe working loads are stated, it is assumed that all sheaves are evenly loaded as in purchase tackle. Uneven loading, or loading of one sheave in a double or triple block, will severely effect strength quoted. If unsure, please seek further advice.

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