Description
Harken 45mm Triple Element Block Swivel | Boat Supply Store
Engineered for demanding marine environments, this Harken 45mm Triple Element Block provides exceptional performance for sail control on dinghies, keelboats, and cruising yachts. Its robust construction includes forged aluminum sideplates with hardcoat anodization for superior corrosion resistance and a composite sheave with a journal bearing ensuring smooth operation and longevity. With a maximum line diameter capacity of 12mm and a high working load limit of 1050kg, it reliably handles critical rigging tasks in saltwater applications.
Key Features
- Triple element block design for optimized load distribution
- Swiveling head enables versatile rigging configurations
- Forged aluminum and compound curve sideplates deliver superior strength
- Hardcoat-anodized finish provides exceptional corrosion resistance
- Composite bearing sheave ensures long service life and resistance to marine elements
- Journal bearing guarantees smooth, friction-free operation
- High working load limit of 1050kg (2315lb) for demanding applications
- Accommodates lines up to 12mm diameter
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 45mm |
| Length | 108mm |
| Weight | 265g |
| Shackle Pin Diameter | 6mm |
| Maximum Line Diameter | 12mm |
| Maximum Working Load | 1050kg |
| Breaking Load | 2100kg |
| Sideplate Material | Forged Aluminum/Compound Curve |
| Sideplate Finish | Hardcoat Anodization |
| Sheave Material | Composite |
| Bearing Type | Journal Bearing |
Who This Is For
Sailors and boaters requiring a durable, high-performance block for diverse rigging needs across dinghies, keelboats, and cruising yachts. Ideal for those needing a block with robust strength and excellent corrosion resistance in saltwater conditions.
How It Compares
| Feature | Harken 45mm Triple Element Block Swivel | Competitor |
|---|---|---|
| Sheave Diameter | 45mm | — |
| Max Line Diameter | 12mm | — |
| Max Working Load | 1050kg | — |
| Sideplate Material | Forged Aluminum / Compound Curves | Composite, Composite |
| Sheave Bearing | Journal Bearing / Composite Sheave | Ball Bearing, Ball Bearing |
Common Concerns Answered
Are journal bearings adequate for light load sailing?
While some users prefer ball bearings for extremely light loads, the journal bearings in this Harken block are exceptionally robust and highly suitable for general sailing applications and provide long service life.
Is this block suitable for offshore and saltwater use?
Absolutely. The forged aluminum sideplates with hardcoat anodization and the composite sheave with a corrosion-resistant bearing are specifically designed to withstand harsh saltwater environments, ensuring reliable performance.
How does the Element design impact performance and value?
The innovative Element design strategically minimizes metal usage while maximizing protective coverage. This, combined with the proven journal bearing and composite sheave, delivers superior strength, durability, and corrosion resistance at a competitive price point.
Frequently Asked Questions
What is the maximum line diameter this Harken block can accommodate?
This Harken block is designed to accommodate a maximum line diameter of 12mm.
What is the working load limit for the Harken 45mm Triple Element Block?
The maximum working load limit for this block is 1050kg (approximately 2315lb).
What materials are used in the construction of the Harken 45mm Triple Element Block?
The block features forged aluminum sideplates with a hardcoat anodization and a composite sheave with a journal bearing.
Is this block suitable for saltwater environments?
Yes, the materials and construction, including hardcoat anodization and a composite sheave, make this block highly suitable for saltwater environments.
What is the breaking load of the Harken 45mm Triple Element Block?
The breaking load of this Harken block is 2100kg.