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Ronstan CW55173 Series 30 Ball Bearing Orbit Block™ Single Becket Swivel Shackle Head
by Ronstan

Price:  $28.80
MFG Part:  CW55173
UPC:  9316800404957
Condition:  New

Currently Unavailable.

Ships from and sold by Aztek Computers.

Added On: Sep 1, 2022 | Updated On: Mar 2, 2024 | Views: 72


Series 30 Ball Bearing Orbit Block™ - Single - Becket - Swivel Shackle Head

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
  • 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 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:32g(1.1oz)


Specifications

Series 30 Ball Bearing Orbit Block™ - Single - Becket - Swivel Shackle Head

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
  • 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 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:32g(1.1oz)

3 customer reviews

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 Sam

This thing is great

September 01, 2022

This product has a very nice quality and looks so high class, the price is good and I love this, full recommended for personal use.

 J. Campbell

This thing is great

February 11, 2021

Works excellent. No more problems. You must buy this manufacturers product, not aftermarket.

 James P. Holden

Best price

August 07, 2019

Nice Product


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