N05230 - Barton Marine Barton 54mm Double Block & Swivel | Aztek Computers
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SKU: E20841RO9E |  Mfg. Part: N05230  | UPC: 5035088084845  | 
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N05230 - Barton Marine Barton 54mm Double Block & Swivel

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Product Overview

Barton 54mm Double Block & Swivel

This Barton Size 5 block features a robust 54mm sheave designed for strength and reliability. Crafted with high-grade molded side plates that are both through-bolted and riveted, this block ensures enhanced durability. Constructed with marine-grade 316 stainless steel throughout, it is built to withstand the rigors of sailing environments. Suitable for larger cruising and racing yachts, this double block allows for smooth operation with both plain and ball bearing sheaves available.

Compatible with ropes up to 12mm (7/16") in diameter, this block is essential for efficient sailing.

Expert Overview

The Barton 54mm Double Block & Swivel, part number N05230, is a Size 5 plain bearing block designed for marine applications. It features a double sheave configuration with 54mm diameter sheaves, suitable for managing lines on larger cruising and racing yachts. Constructed with marine-grade 316 stainless steel and high-grade molded side plates that are through-bolted and riveted, this block offers enhanced durability in demanding sailing environments. It is compatible with ropes up to 12mm (7/16") in diameter and has a Safe Working Load (SWL) of 750kg (1650lbs) and a break load of 1500kg (3300lbs). This component is intended for IT hardware resellers supplying clients in the marine sector who require robust hardware for rigging systems, providing reliable line management for various sailing operations.

Technical Specifications

  • Weight: 290 g
  • Dimensions: 130 × 59 × 58 mm
  • Size: 5 (54MM)
  • Block Type: Swivel
  • No. of Sheaves: Double
  • Bearing Type: Plain
  • Sheave Size: 54mm x 17mm (2 1/8" x 5/8")
  • Max rope diameter: 12mm (7/16")
  • SWL: 750kg (1650lbs)
  • Break load: 1500kg (3300lbs)
  • Max rolling load (ball bearing blocks): 525kg (1157lbs)

Product Details

  • Manufacturer:
  • Model Number:
  • ASIN:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Country of Origin:
  • Barton Marine
  • N05230
  • B07P86NPH6
  • 5035088084845
  • New
  • 0.65 lbs
  • 6 X 3 X 4
  • Jul 19, 2026
  • Dec 17, 2025
  • UNITED KINGDOM
Product Identifiers: Brand: Barton Marine • Part #: N05230 • UPC: 5035088084845 • ASIN: B07P86NPH6 • Category: Bearing Blocks & Supports

Frequently Asked Questions

What is the maximum rope diameter this block can accommodate?

This Barton 54mm Double Block & Swivel is compatible with ropes up to 12mm (7/16") in diameter.

What type of bearing does this block use?

This specific model features a plain bearing type. The product data also mentions that ball bearing sheaves are available for other configurations.

What is the Safe Working Load (SWL) and Break Load for this block?

The Safe Working Load (SWL) for this block is 750kg (1650lbs), and its break load is 1500kg (3300lbs).

What materials are used in the construction of this block?

The block is constructed with marine-grade 316 stainless steel throughout and features high-grade molded side plates that are both through-bolted and riveted for durability.

N05230 - Barton Marine Barton 54mm Double Block & Swivel

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