6239 - Harken 45mm Double Element Block with Swivel & Becket | Aztek Computers
29+Years
SKU: Y47A6D54MA |  Mfg. Part: 6239  | UPC: 097653283874  | 
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6239 - Harken 45mm Double Element Block with Swivel & Becket

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Condition: New

$95.57  $129.02
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Product Overview

Harken 45mm Double Element Block with Swivel & Becket

This robust 45mm double element block features sideplates made from forged aluminum and compound curves that enhance strength while maintaining a contemporary design. Its construction utilizes the minimum amount of metal necessary to protect the sheave, combined with a reliable journal bearing, making it an affordable option for high-quality blocks.

Designed for durability, the hardcoat-anodized sideplates resist corrosion, and the composite bearing sheave ensures a long service life in demanding marine environments.

Expert Overview

The Harken 45mm Double Element Block with Swivel & Becket (part number 6239) is engineered for applications requiring robust line management. This unit features forged aluminum sideplates with compound curves designed to optimize strength while minimizing material. It incorporates a journal bearing and a composite bearing sheave, contributing to its durability and extended service life. The hardcoat-anodized sideplates provide corrosion resistance, suitable for demanding environments. With a 45mm sheave diameter, it accommodates a maximum line diameter of 12mm and supports a maximum working load of 875kg. This block is intended for buyers who need a reliable, high-quality component for load handling, offering a balance of performance and cost-effectiveness.

Technical Specifications

  • Sheave diameter: 45mm / 1-3/4in
  • Overall length: 127mm / 5in
  • Weight: 195g / 6.8oz
  • Shackle pin diameter: 6mm / 1/4in
  • Maximum line diameter: 12mm / 1/2in
  • Maximum working load: 875kg / 1929lb
  • Breaking load: 1750kg / 3858lb

Product Details

  • Manufacturer:
  • Model Number:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Country of Origin:
  • Harken
  • 6239
  • 097653283874
  • New
  • 0.45 lbs
  • 6 X 3 X 3
  • Jul 19, 2026
  • May 04, 2026
  • United States
Product Identifiers: Brand: Harken • Part #: 6239 • UPC: 097653283874

Frequently Asked Questions

What is the maximum line diameter this block can accommodate?

The Harken 45mm Double Element Block is designed to work with a maximum line diameter of 12mm (1/2 inch).

What is the maximum working load capacity of this block?

This block has a maximum working load of 875kg (1929lb), with a breaking load of 1750kg (3858lb).

What materials are used for the sideplates and sheave?

The sideplates are made from forged, hardcoat-anodized aluminum for corrosion resistance, and the sheave is a composite bearing type for durability.

What are the overall dimensions and weight of the block?

The block has an overall length of 127mm (5 inches) and weighs 195g (6.8oz). The sheave diameter is 45mm (1-3/4 inches).

6239 - Harken 45mm Double Element Block with Swivel & Becket

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Reviews for Harken 6239

$95.57