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Due to standard post delays, please consider using express shipping // Binks Marine Gift Cards - Available Online
Due to standard post delays, please consider using express shipping // Binks Marine Gift Cards - Available Online

Ronstan S55 BB Orbit Block,Upright Lead (RF55171)

by Ronstan
Original price $58.89 - Original price $58.89
Original price
$58.89
$58.89 - $58.89
Current price $58.89
SKU RF55171

Kilogram for kilogram of working load, BB and RT Orbit Blocks ’?½ are the world ’??s lightest. The unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimises the mass of the inactive return race and hub.

Features:

  • Ultra Lightweight
  • Low friction 2-stage Orbital ball bearing system
  • Highest working load in its class
  • Low profile and compact
  • High performance cleating

Sheave ? 55 mm
Max. Rope ? 10 mm
Max. Cable ? - mm
Pin ? - mm
M.W.L. 500 kg
B. L. 1000 kg
Weight 91 g

Applications:

  • Mainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)
  • Spinnaker sheets on dinghies, sportsboats and small keel boats to 9m (30ft)
  • Halyard, Vang and Backstay application on boats to 8m (26ft)
  • Control line applications on larger yachts

Materials:

  • Ball bearings - High compression strength carbon black Acetal
  • Stage 2 bearing - Carbon fibre reinforced, PTFE impregnated Nylon
  • Frame/Cheeks - Toughened, glass fibre reinforced Nylon
  • Rope Link: UV stabilised, multi-strand impregmented SK75 Dyneema©
  • Sheave: Carbon fibre reinforced, PTFE impregnated Nylon
  • Ball Bearings: High compresssion strength carbon black Acetal
  • Stage 2 Bearing: Carbon fibre reinforced, PTFE impregnated Nylon