HomeVideo LibraryChandleryBooks & ReferenceSale & Clearance Shopping Cart Contact Us

Didn't find what you want?  Send us your list. We carry 1,000's of products not yet listed at the best prices.

Your satisfaction is our top priority. If for any reason you are dissatisfied with your purchase, we will replace, exchange or refund the item within 30 days. Note: Some custom orders may not qualify - terms for custom orders are stated clearly at the point of sale. 

Doyle Marine appreciates your business. We respect your privacy and do not share customer contact information. 

Contact us with questions, comments or reviews at:
info@doylemarine.com or 510-253-5883
Chandlery   >   Sailing | Blocks
Click for larger image
Ronstan Series 30 Ball Bearing Orbit Block™ - Cheek
Ronstan 		Our Price $15.99
Retail Price: $18.81 		   
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)

Item # Product ManufacturerRetail PriceOur Price
55176 Ronstan Series 30 Ball Bearing Orbit Block™ - CheekRonstan $ 18.81$ 15.99

 
  Home About Us Press Room Boating Resources Customer Care Dealers Site Map Contact Us © 2007-2018 - Doyle Marine
powered by Dalmatech