Description
RONSTAN RF20202 Series 20 BB Block – Double – Ball Bearing Block Pulley
Series 20 Ronstan’s Ball Bearing (BB) Blocks are a great all-around solution. Ball Bearing blocks have been conceived and engineered for the demands of competitive sailing. Used on boats of all sizes for sheet, fine-tune and control line applications. They utilise a highly efficient, low friction bearing system for optimuim sheeting and trimming performance.
This Ronstan double block features precision-moulded UV-stabilised Acetal sheaves running on stainless steel or Torlon® ball bearings providing high performance and low friction. Impact and UV resistant with fibre reinforced Nylon cheeks.
With Grade 316 Stainless Steel load strap and head fitting it has a high static and dynamic load capacity, and is light weight.
Can be used on dinghy control lines, dinghy yangs, Cunninghams and Traveller controls.
Specifications
Sheave Ø | 20 mm |
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Max. Rope Ø | 6 mm |
Max. Cable Ø | – mm |
Pin Ø | 4.0 mm |
M.W.L. | 350 kg |
B. L. | 700 kg |
Weight | 42 g |