Item #879856

Ronstan 55 mm (2 5/32") Series 55 Orbit Block - RF55171

00 Review
$57.80
Want an email once available?
Buy with

Image of : Ronstan 55 mm (2 5/32 Ronstan 55 mm (2 5/32") Series 55 Orbit Block - RF55171 Item # 879856

Description

The Ronstan 55 mm Series 55 Single Orbit Block™ with Upright Lead (RF55171) boasts the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and a Dyneema® rope link head. Their precision design allows the optimum number of ball bearings in loaded areas and eliminates them in inactive areas. Ineffective mass is reduced even further through fiber-reinforced composites in the block head, cleat arms and beckets.

Features:

  • Ultra Lightweight
  • Low friction 2-stage Orbital ball bearing system
  • Highest working load in its class
  • Low profile and compact
  • High performance cleating
  • Easily fitted and securely retained Dyneema Link head

Applications:

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

Specifications:

  • Safe working load: 1100 lb (500 kg)
  • Breaking load: 2200 lb (1000 kg)
  • Sheave diameter: 2 5/32" (55 mm)
  • Maximum line size: 3/8" (10 mm)
  • Materials:
    • Ball bearings - High compression strength carbon black Acetal
    • Stage 2 bearing - Carbon fiber reinforced, PTFE impregnated Nylon
    • Frame/Cheeks - Toughened, glass fiber reinforced Nylon
    • Rope Link: UV stabilized, multi-strand impregmented SK75 Dyneema®

Part Numbers for Ronstan 55 mm (2 5/32") Series 55 Orbit Block - RF55171

Related Categories

Related Categories

Reviews

  • bvseo_sdk, p_sdk, 3.2.1
  • CLOUD, getReviews, 24.88ms
  • REVIEWS, PRODUCT
  • bvseo-msg: HTTP status code of 404 was returned;

Questions

  • bvseo_sdk, p_sdk, 3.2.1
  • CLOUD, getContent, 48.73ms
  • QUESTIONS, PRODUCT
  • bvseo-msg: HTTP status code of 404 was returned;