or 4 payments of 
Description
RONSTAN RF20101 Series 20 Bb Block – Single Loop Top – Series 20 Ball Bearing Blocks
Series 20 Ronstan’s Ball Bearing (BB) Blocks are a great all around solution. Ronstan’s Ball Bearing blocks have been designed and engineered for the small vessel market such as dinghies. Used on smaller boats for sheet, vangs, traveller and control line applications. They utilise a highly efficient, low friction bearing system for optimum sheeting and trimming performance.
FEATURES
Low friction
High static and dynamic load capacity
Lightweight
PRODUCT INFORMATION
Precision moulded Acetal sheaves running on stainless steel or Torlonball bearings provide high performance & low friction.Can be fitted with a shackle in either of two planes to allow correct alignment of the block.
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
Specifications
Sheave
20 mm
Max. Rope
6 mm
Max. Cable
– mm
Pin
– mm
M.W.L.
250 kg
B. L.
550 kg
Weight
16 g
