CW55136 - Ronstan Series 20 Ball Bearing Block - Single - Cheek | Aztek Computers
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SKU: JNMDE8JB2V |  Mfg. Part: CW55136  | UPC: 9316800262007  |  0 Reviews  |     Share

CW55136 - Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount

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Condition: New

$27.75 
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Product Overview

Series 20 Ball Bearing Block - Single - Cheek Rivet Mount

Features:

 

  • Low friction
  • High static and dynamic load capacity
  • Lightweight
  • Suitable for screw or pop rivet mounting
  • Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction

 


Applications:

 

 

  • Dinghy control lines
  • Dinghy Vangs
  • Cunninghams
  • Traveller controls

 


Materials:

 

 

  • U.V. Stabilized Acetal sheaves
  • Stainless steel ball bearings
  • Grade 316 stainless steel load strap and head fitting
  • Impact and UV resistant, fiber reinforced Nylon cheeks

 


Specifications:
Sheave Ø:20mm(3/4")
Max. Rope Ø:6mm(1/4")
M.W.L.:200kg(440lbs)
B. L.:550kg(1,210lbs)
Weight:17g(0.6oz)

 

Expert Overview

The Ronstan Series 20 Ball Bearing Block, part number CW55136, is a single block designed for applications requiring efficient line management. It features a cheek rivet mount, suitable for screw or pop rivet installation. This block is engineered with precision-molded Acetal sheaves and stainless steel or Torlon ball bearings, contributing to low friction and high load capacity. Constructed with UV-stabilized Acetal sheaves, Grade 316 stainless steel load strap and head fitting, and fiber-reinforced Nylon cheeks, it offers durability. With a maximum working load of 200kg (440lbs) and a breaking load of 550kg (1,210lbs), it is intended for use in dinghy control lines, vangs, cunninghams, and traveller controls. Its lightweight design (17g / 0.6oz) and 20mm (3/4") sheave diameter accommodate ropes up to 6mm (1/4") in diameter.

Product Details

  • Manufacturer:
  • Model Number:
  • ASIN:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Country of Origin:
  • Ronstan
  • CW55136
  • B005CB0C6Y
  • 9316800262007
  • New
  • 1 lbs
  • 3 X 1 X 2
  • Aug 30, 2026
  • May 11, 2021
  • INDONESIA
Product Identifiers: Brand: Ronstan • Part #: CW55136 • UPC: 9316800262007 • ASIN: B005CB0C6Y • Category: Consumer Electronics

Frequently Asked Questions

What is the maximum rope diameter this block can accommodate?

The Ronstan Series 20 Ball Bearing Block is designed for a maximum rope diameter of 6mm (1/4").

What are the primary materials used in the construction of this block?

This block features UV-stabilized Acetal sheaves, stainless steel ball bearings, a Grade 316 stainless steel load strap and head fitting, and impact/UV resistant, fiber-reinforced Nylon cheeks.

What types of applications is this block suitable for?

This block is suitable for dinghy control lines, dinghy vangs, cunninghams, and traveller controls, where efficient line management and load capacity are required.

What is the maximum working load and breaking load capacity?

The maximum working load (M.W.L.) for this block is 200kg (440lbs), and the breaking load (B.L.) is 550kg (1,210lbs).

CW55136 - Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount

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Reviews for Ronstan CW55136

$27.75