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Brand: Ronstan

Ronstan Series 20 Single Ball Bearing Block, 20mm

Ronstan Series 20 Single Ball Bearing Block, 20mm

Regular price $23.14
Regular price Sale price $23.14
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The Ronstan Series 20 Single Ball Bearing Block is engineered for low-friction performance in demanding marine environments. This lightweight block features precision-molded Acetal sheaves that run on stainless steel ball bearings, ensuring high static and dynamic load capacity.

Key Features
  • Precision-molded Acetal sheaves
  • Stainless steel ball bearings
  • Grade 316 stainless steel load strap and head fitting
  • Impact and UV-resistant, fiber-reinforced Nylon cheeks
  • Ideal for dinghy control lines, vangs, cunninghams, and traveller controls
Technical Specifications
  • Sheave diameter: 20mm (3/4")
  • Maximum rope diameter: 6mm (1/4")
  • Pin diameter: 3mm (1/8")
  • Maximum Working Load (M.W.L.): 250kg (550 lbs)
  • Breaking Load (B.L.): 550kg (1,210 lbs)
  • Weight: 20g (0.7 oz)
  • Manufacturer Part Number: RF20100

Product facts

CT SKU
CT-103683
Model / MPN
RF20100
UPC / GTIN
9316800255504
Package dimensions
1" X 2" X 4"
Package weight
0.1 lb

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