Ball Bearing

RF20151

Series 20 Ball Bearing Cheek Block

Single sheave cheek block, suits 2 x 4mm (5/32") fasteners.

FEATURES

Low friction.

High static and dynamic load capacity.

Lightweight.

Double through-bolt mounting for maximum load capacity.

Specifications

Product Specifications
B.L. (kg)550
M.W.L. (kg)250
Max. Rope diameter (mm)6
Weight (g)14
Fastener Ø (mm)4
Qty. Fasteners2

Product Information

Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction.

Technical Information

Specification Details

Specification Details
A (mm)56.0

Applications

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

 

Materials

  • BB sheaves: UV stabilised acetal.
  • Ball bearings: Stainless steel.
  • Load straps, head fittings: Grade 316 stainless steel.

 

Resource Files

dwg
zip

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