Ronstan

Ronstan Series 30 Ball Bearing Orbit Block™ - Cheek

SKU: 55176 · UPC: 9316800404964 · MPN: RF35151
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02 · Overview

Ronstan Series 30 Ball Bearing Orbit Block™ - Cheek — Product description

Series 30 Ball Bearing Orbit Block™ - Cheek

Ball Bearing Orbit Blocks™ boast 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, cleat arms and beckets.

Features:
  • Lightweight
  • Highest working load in its class
  • Secure, versatile and secure attachement
  • Low profile and compact


Applications:
  • Mainsheet systems and spinnaker sheets on dinghies to 5M(16')
  • Halyard, vang and backstay applications on boats to 5M(16')
  • Control line applications on larger yachts


Materials:
  • Sheave: High compression strength carbon black Acetal
  • Ball Bearings: High compression strength Acetal
  • Frame/Cheeks: Toughened, glass fiber reinforced Nylon
  • Link: UV stabilized, multi-strand impregnated SK75 Dyneema®


Specifications:
Sheave Ø: 30mm(1-3/16")
Max. Rope Ø: 8mm(5/16")
M.W.L.: 300kg(660lbs)
B. L.: 600kg(1,320lbs)
Weight: 21g(0.7oz)

"The Ronstan 30mm Orbit block is small and compact. Used on high performance boats, these blocks are used by the best and perform for the best. Made from advanced fiber and polymer technology, these blocks are ten times stronger than steel, yet more lightweight. This cheek block version is great for creating turning points on the deck for sheeting or control lines."
SKU: NVN-55176
MPN: RF35151
UPC: 9316800404964
03 · The numbers

Technical specifications

BrandRonstan
ModelRonstan Series 30 Ball Bearing Orbit Block™ - Cheek
SKU / MFR#55176

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04 · Before you buy

Frequently asked questions

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05 · Customer voices

Customer reviews