YachtsOfStuff.com Connects Boaters
logon to YachtsOfStuff.com  Log In  |  register on YachtsOfStuff.com New Visitor
Search YachtsOfStuff.com Quick Search
YachtsOfStuff.com Connects Boaters, Merry Christmas and Happy Holidays
  December 11, 2017

Ronstan Series 30 Ball Bearing Orbit Block™ - Cheek SKU# 55176

Click to Enlarge Picture
Ronstan Series 30 Ball Bearing Orbit Block™ - Cheek SKU# 55176 - 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). MFG #: RF35151
Manufacturer: Ronstan
 
Ronstan Series 30 Ball Bearing Orbit Block™ - Cheek SKU# 55176
Our Price: $23.95 (US Shipping: $9.80)

Ask for international shipping.
Overview  |   Manuals & Downloads  |   In the Box     
Overview

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)


  • Additional Items from Blocks  |  See More Items from Blocks Category.
    Image Product Description Price Order
    On-Line
    Barton Marine 02160 - Size 2 - Single - Cheek Block SKU# 46590 Barton Marine 02160 - Size 2 - Single - Cheek Block SKU# 46590
    Series 2 35mm Blocks - Cheek Block with a plastic backing plate standard to allow snug attachment to spars etc. Base size 79mm x 43mm. Fastenings 5mm. Plain bearing blocks are precision molded Acetal sheave running on large diameter brass bearing, ensuring free running under the highest of loads.Length:80mm(3.14”). Sheave Size Single: 35mm x 12mm (1-3/8” x 15/32”). SWL: 370kg (815lbs). Max Rope Diameter: 8mm (5/16”). Break Load:740kg (1630lbs).
    $33.04
    Barton Marine 02190 - Size 2 - Single - Stanchion Lead Block SKU# 46591 Barton Marine 02190 - Size 2 - Single - Stanchion Lead Block SKU# 46591
    Series 2 35mm Block - Stanchion Lead designed for use on 25mm diam. tubes, with a swivelling action with up-down movement allowing for a fair lead on control lines. Length:110mm(4.33”). Sheave Size Single: 35mm x 12mm (1-3/8” x 15/32”). SWL: 370kg (815lbs). Max Rope Diameter: 8mm (5/16”). Break Load:740kg (1630lbs).
    $37.09
    Barton Marine 02420 - Size 2 - Fiddle - Reverse Shackle Block SKU# 46592 Barton Marine 02420 - Size 2 - Fiddle - Reverse Shackle Block SKU# 46592
    Series 2 35mm Block - Fiddle - Reverse Shackle removable shackle that can be set in-line or at 90° to the sheave. Length:140mm(5.51”). Sheave Size Fiddle: 30/45mm x 12mm (1-3/16” /1-¾ x 15/32”). SWL: 370kg (815lbs). Max Rope Diameter: 8mm (5/16”). Break Load:740kg (1630lbs),
    $29.83
    Barton Marine 02631 - Size 2 - Fiddle - Swivel, Becket & Cam Cleat Block SKU#  46593 Barton Marine 02631 - Size 2 - Fiddle - Swivel, Becket & Cam Cleat Block SKU# 46593
    Series 2 35mm Block - Fiddle - Swivel + Becket + Cam Block. Fully swivelling head with removable shackle. Becket clevis forming part of one end of a sheave. Cam cleat blocks fitted with Kevlar ”K” cams. Cam arms are fully adjustable. Length:155mm(6.10”). Sheave Size Fiddle: 30/45mm x 12mm (1-3/16” /1-¾ x 15/32”). SWL: 370kg (815lbs). Max Rope Diameter: 8mm (5/16”). Break Load:740kg (1630lbs).
    $74.84
    Barton Marine 03190 - Size 3 - Single - Stanchion Lead Block SKU# 46594 Barton Marine 03190 - Size 3 - Single - Stanchion Lead Block SKU# 46594
    Series 3 45mm Block - Stanchion Lead designed for use on 25mm diam. tubes, with a swivelling action with up-down movement allowing for a fair lead on control lines. Length:120mm(4.72”) Sheave Size Single: 45mm x 14mm (1-¾” x 35/64”). SWL: 385kg (848lbs) Max Rope Diameter: 10mm (3/8”). Break Load:740kg (1698lbs).
    $36.98
    Barton Marine 03420 - Size 3 - Fiddle - Reverse Shackle Block SKU# 46595 Barton Marine 03420 - Size 3 - Fiddle - Reverse Shackle Block SKU# 46595
    Series 3 45mm Block - Fiddle - Reverse Shackle removable shackle that can be set in-line or at 90° to the sheave. Length:162mm(6.37”). Sheave Size: Fiddle: 30/58mm x 12mm (1-3/16” /2-½”; x 35/64”). SWL: 385kg (848lbs). Max Rope Diameter: 10mm (3/8”). Break Load:740kg (1698lbs).
    $41.35
    Barton Marine 03631 - Size 3 - Fiddle - Swivel, Becket & Cam Cleat Block SKU# 46596 Barton Marine 03631 - Size 3 - Fiddle - Swivel, Becket & Cam Cleat Block SKU# 46596
    Series 3 45mm Block - Fiddle - Swivel + Becket + Cam Block. Fully swivelling head with removable shackle. Becket clevis forming part of one end of a sheave. Cam cleat blocks fitted with Kevlar ”K” cams. Length:178mm(7.01”). Sheave Size Fiddle: 30/58mm x 12mm (1-3/16” /2-½”; x 35/64”). SWL: 385kg (848lbs). Max Rope Diameter: 10mm (3/8”). Break Load:740kg (1698lbs).
    $89.17
    Barton Marine 04160 - Size 4 - Single - Cheek Block SKU# 46597 Barton Marine 04160 - Size 4 - Single - Cheek Block SKU# 46597
    Series 4 58mm Block - Single - Cheek Block with a plastic backing plate standard to allow snug attachment to spars etc. Base size 107mm x 67mm (4.21” x 2.64”). Fastenings 5mm. Length:107mm(4.21”) Sheave Size Single: 58mm x 17mm (2-¼;” x 3/8”). SWL: 630kg (1385lbs) Max Rope Diameter: 12mm (7/16”). Break Load:1260kg (2770lbs).
    $41.28
    Barton Marine 04190 - Size 4 - Single - Stanchion Lead Block SKU# 46598 Barton Marine 04190 - Size 4 - Single - Stanchion Lead Block SKU# 46598
    Series 4 58mm Block - Single - Stanchion Lead designed for use on 25mm diam. tubes, with a swivelling action with up-down movement allowing for a fair lead on control lines. Length:140mm(5.51”). Sheave Size Single: 58mm x 17mm (2-¼;” x 3/8”). SWL: 630kg (1385lbs). Max Rope Diameter: 12mm (7/16”). Break Load:1260kg (2770lbs).
    $52.02
    Barton Marine 04420 - Size 4 - Fiddle - Reverse Shackle Block SKU# 46599 Barton Marine 04420 - Size 4 - Fiddle - Reverse Shackle Block SKU# 46599
    Series 4 58mm Block - Fiddle - Reverse Shackle, removable shackle that can be set in-line or at 90° to the sheave. Length:175mm(6.89”) Sheave Size Fiddle: 32/58mm x 17mm (1-¼” / 2-¼”; x 3/8”). SWL: 630kg (1385lbs). Max Rope Diameter: 12mm (7/16”). Break Load:1260kg (2770lbs).
    $53.27
    See More Items from Blocks Category.
     
    Home  |  Browse  |  Search  |  Help  |  Advertise  |  Contact Us YachtsOfStuff.com Boating Supply
    Terms & Conditions
    Legal Notices
    Privacy Policy
    Report Problems
    © 2002-2017; S2ware, LLC; All rights reserved.