Description
Harken 45mm Double Block w/Swivel | Boat Supply Store
Maximize purchase efficiency in complex rigging with this Harken 45mm Double Element Block, engineered for demanding marine applications. Its forged aluminum and composite construction ensures exceptional strength, supporting a 12mm maximum line diameter and a robust 875kg working load. Designed for environments like the Gulf Coast, this block provides reliable performance for dinghies to cruising yachts, offering a superior balance of durability and corrosion resistance.
Key Features
- STRENGTH: Forged aluminum and compound curve sideplates deliver exceptional structural integrity.
- SMOOTH OPERATION: Journal bearing system ensures consistent and efficient sheave rotation.
- CORROSION RESISTANCE: Hardcoat-anodized sideplates and tough composite sheave protect against saltwater degradation.
- DURABILITY: Composite bearing sheave provides extended service life under load.
- VERSATILITY: Swiveling head allows for flexible and optimized line routing.
- HIGH CAPACITY: Accommodates line diameters up to 12mm for diverse rigging needs.
- ROBUST LOAD RATING: Maximum working load of 875kg handles significant forces.
- VALUE: Innovative Element design offers premium performance at a competitive price point.
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 45mm |
| Length | 108mm |
| Weight | 180g |
| Shackle Pin Diameter | 6mm |
| Maximum Line Diameter | 12mm |
| Maximum Working Load | 875kg |
| Breaking Load | 1750kg |
| Sideplates | Forged Aluminum/Compound Curve |
| Sheave Material | Composite Bearing |
| Bearing Type | Journal Bearing |
Who This Is For
Sailors and boaters requiring a robust, corrosion-resistant double block with swivel functionality for a wide range of sailing tasks. This block is suitable for applications from small dinghies to larger cruising yachts.
How It Compares
| Feature | Harken 45mm Double Block w/Swivel | Competitor |
|---|---|---|
| Sheave Diameter | 45mm | — |
| Maximum Line Diameter | 12mm | — |
| Maximum Working Load | 875kg | — |
| Sideplate Material | Forged Aluminum | Composite |
| Bearing Type | Journal Bearing | Plain Bearing |
Common Concerns Answered
The swivel mechanism can become stiff over time. How can I prevent this?
Regular maintenance involving thorough rinsing with fresh water after saltwater exposure and periodic lubrication of the swivel bearing will mitigate stiffness and ensure smooth operation.
Is the composite sheave as low-friction as higher-end bearing systems?
The composite bearing sheave offers excellent durability and corrosion resistance suitable for most cruising applications. For ultra-high-performance racing where every microsecond counts, advanced bearing systems may provide a marginal benefit, but this Harken block is optimized for overall longevity and strength.
The price is a consideration. Is this block worth the investment?
The Harken 45mm Double Element Block is an investment in reliability and longevity, featuring forged aluminum sideplates and a high working load limit of 875kg, which justifies the cost for demanding marine use.
Frequently Asked Questions
What is the maximum line diameter this Harken block can handle?
This Harken 45mm Double Element Block is designed to handle a maximum line diameter of 12mm.
What is the working load limit for the Harken 45mm Double Element Block?
The maximum working load limit for this Harken block is 875kg.
What materials are used in the construction of the Harken 45mm Double Element Block?
The block features forged aluminum and compound curve sideplates, with a tough composite bearing sheave and a journal bearing system.
Is the Harken 45mm Double Element Block suitable for saltwater environments?
Yes, the hardcoat-anodized sideplates and the corrosion-resistant composite bearing sheave make this block highly suitable for saltwater environments.
What is the weight of the Harken 45mm Double Element Block?
The Harken 45mm Double Element Block weighs 180 grams.
