Item #879834

Ronstan Series 40 BB Orbit Block - 40 mm (1 9/16") - RF45110

$30.56
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Description

The Ronstan 40 mm Series 40 Orbit Block (RF45110) boasts the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fiber-reinforced composites in the block head.

Features:

  • Stainless steel swivel shackle head for ultimate durability and compatibility with harsh fixing points
  • Lightweight
  • Highest working load in its class
  • Secure, versatile and secure attachment
  • Low profile and compact
  • Ultra low profile thru-sheave becket
  • Low friction 2-stage ball bearing system provides consistent performance over the full working load range

Applications:

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

Specifications:

  • Safe working load: 715 lbs (325 kg)
  • Breaking load: 1430 lbs (650 kg)
  • Weight: 1.6 oz. (44 g)
  • Sheave diameter: 1 9/16" (40 mm)
  • Maximum line size: 5/16" (8 mm)
  • Materials:
    • Sheave: High compression strength carbon black Acetal
    • Ball bearings: High compression strength Acetal
    • Stage 2 bearing - Carbon fiber reinforced, PTFE impregnated nylon
    • Frame/Cheeks: Toughened, glass fiber reinforced nylon
    • Link: UV stabilized, multi-strand impregnated SK75 Dyneema®

Part Numbers for Ronstan Series 40 BB Orbit Block - 40 mm (1 9/16") - RF45110

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