Description
Harken 45mm Double Block Swivel Becket | Boat Supply Store
This Harken 45mm Double Element Block is engineered for demanding sailing applications, providing a robust and cost-effective solution for mainsheets, vang systems, and control lines. It reliably handles a maximum working load of 875kg and accommodates line diameters up to 12mm. Constructed with durable forged aluminum sideplates and a hardcoat-anodized finish, this block ensures superior corrosion resistance and longevity in harsh marine environments.
Key Features
- Strength Forged aluminum and compound curve sideplates for exceptional load-bearing capacity.
- Smooth Operation Proven journal bearing ensures efficient and reliable performance.
- Corrosion Resistance Hardcoat-anodized finish on sideplates for superior protection in saltwater.
- Durability Tough composite bearing sheave designed for extended service life.
- Versatile Rigging Integrated swivel allows for flexible block orientation and movement.
- Attachment Point Becket provides a secure point for additional lines or hardware integration.
- High Capacity Supports a maximum line diameter of 12mm for diverse rigging needs.
- Reliable Load Handling Rated for a significant 875kg working load.
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 45mm |
| Length | 127mm |
| Weight | 195g |
| Shackle Pin Diameter | 6mm |
| Maximum Line Diameter | 12mm |
| Maximum Working Load (WLL) | 875kg |
| Breaking Load | 1750kg |
| Sideplate Material | Forged Aluminum / Compound Curve |
| Bearing Type | Journal Bearing |
| Sheave Material | Composite Bearing |
| Finish | Hardcoat-Anodized |
Who This Is For
Sailors and boaters seeking a dependable, corrosion-resistant, and value-driven block for diverse rigging needs. This block is ideal for mainsheets, vang systems, and control lines where a swivel and becket add significant functional advantage.
How It Compares
| Feature | Harken 45mm Double Block Swivel Becket | Competitor |
|---|---|---|
| Sheave Diameter | 45mm | — |
| Maximum Working Load | 875kg | — |
| Maximum Line Diameter | 12mm | — |
| Sideplate Material | Forged Aluminum | Nylon, Composite |
| Bearing Type | Journal Bearing | Plain Bearing, Plain Bearing |
Common Concerns Answered
Is the journal bearing sufficient compared to ball bearings?
The journal bearing in this Harken block is engineered for robustness and efficiency in its intended applications, offering excellent durability for mains, vangs, and control lines. While ball bearings excel in very high-speed or ultra-low load scenarios, the journal bearing provides a reliable and cost-effective solution for most common sailing tasks.
Is the swivel as free-moving as more expensive blocks?
While designed for functionality, the swivel's movement may not match the extreme freedom of some premium, higher-priced blocks. However, it provides essential versatility for rigging and is fully functional for its intended use on a wide range of vessels.
Is the 'Element' series as durable as Harken's premium lines?
The Element series offers Harken's trusted quality and robust construction, leveraging optimized material usage for exceptional value. This block features forged aluminum sideplates and a hardcoat-anodized finish, ensuring it meets demanding marine standards for durability and longevity.
Frequently Asked Questions
What is the maximum line diameter this block can accommodate?
This Harken 45mm Double Element Block can accommodate a maximum line diameter of 12mm.
What is the working load limit for the Harken 45mm Double Element Block?
The maximum working load limit (WLL) for this block is 875kg.
What materials are used in the construction of this block?
The block features forged aluminum sideplates with a compound curve design, a tough composite bearing sheave, and a hardcoat-anodized finish for corrosion resistance.
Is this block suitable for saltwater environments?
Yes, the hardcoat-anodized finish on the forged aluminum sideplates provides excellent corrosion resistance, making this block highly suitable for use in saltwater environments.
What is the purpose of the becket on this block?
The becket on this block serves as an integrated attachment point, allowing for the connection of additional lines, hardware, or for creating becket blocks and cascades to multiply mechanical advantage.