Description
Barton 45mm Plain Bearing Stanchion Lead Block | Boat Supply Store
This Barton Size 3 45mm plain bearing stanchion lead block is engineered for reliable performance on dinghies, dayboats, and lightweight cruisers. Its robust construction integrates a 45mm Acetal sheave within a 30% fiberglass-filled nylon body and a corrosion-resistant stainless steel frame, ensuring superior strength and minimal weight. Designed for efficient operation with ropes up to 10mm (3/8 inch), it is an ideal component for optimizing mainsheet, vang, or general purchase systems on smaller vessels, particularly those navigating coastal waters where durability is paramount.
Key Features
- Compact Size 3 profile fits easily into existing rigging.
- Durable stainless steel frames resist corrosion in marine environments.
- Lightweight 30% fiberglass-filled nylon body reduces deck weight.
- Smooth Acetal sheaves minimize friction for efficient load handling.
- Versatile design suitable for mainsheet, vang, and lead block applications.
- High Rope Capacity accommodates lines up to 10mm (3/8 inch) diameter.
- Cost-Effective solution offering strong performance at an accessible price point.
- Simple Installation directly onto stanchions or mounting points.
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 45mm |
| Block Size | 3 |
| Frame Material | Stainless Steel |
| Body Material | 30% Fiberglass-Filled Nylon |
| Sheave Material | Acetal |
| Bearing Type | Plain Bearing |
| Maximum Rope Diameter | 10mm (3/8 inch) |
Who This Is For
Owners and sailors of dinghies, dayboats, and lightweight cruisers seeking a robust, lightweight, and compact pulley block for their purchase systems. Ideal for those needing reliable performance for applications such as mainsheets or vangs on smaller sailing craft.
How It Compares
| Feature | Barton 45mm Plain Bearing Stanchion Lead Block | Competitor |
|---|---|---|
| Sheave Diameter | 45mm | — |
| Bearing Type | Plain Bearing | Carbo Ratchomatic, Orbit |
| Frame Material | Stainless Steel | Composite, Composite |
| Max Rope Size | 10mm (3/8") | — |
| Body Material | 30% Fibre Glass Filled Nylon | Composite, Composite |
Common Concerns Answered
Will plain bearings wear out quickly?
While plain bearings may wear faster than ball bearings under extremely high, constant loads or with infrequent maintenance, their design in this Barton block is optimized for longevity in typical dinghy and dayboat applications. Regular flushing with fresh water and occasional lubrication will significantly extend their service life.
Is this block suitable for high-load situations?
This Size 3 block is designed for moderate loads commonly found on dinghies and dayboats, such as mainsheet or vang systems. For applications demanding continuous, very high loads where extreme friction reduction is critical, blocks with ball bearings or specialized load-holding mechanisms might be considered.
Can I get a higher-performance block?
For applications demanding the absolute lowest friction and highest load capacity, higher-spec blocks, often featuring ball bearings and more advanced materials, are available. However, this Barton block provides an excellent balance of strength, durability, and value for its intended use cases.
Frequently Asked Questions
What is the maximum rope size this Barton pulley block can accommodate?
This Barton pulley block is designed to accommodate ropes with a maximum diameter of 10mm (3/8 inch).
What materials are used in the construction of the Barton Size 3 45mm pulley block?
The block features a 30% fiberglass-filled nylon body, Acetal sheaves, and stainless steel frames for durability and corrosion resistance.
What are the typical applications for a Size 3 Barton pulley block?
Size 3 Barton pulley blocks are typically used on dinghies, dayboats, and lightweight cruisers for applications such as mainsheet systems, vang controls, traveler controls, and as general lead blocks.
Is this pulley block suitable for high-load applications?
This pulley block is engineered for moderate loads appropriate for smaller craft. For extremely high or continuous load applications, a block with ball bearings or a higher load rating may be more suitable.
What is the sheave size of this Barton pulley block?
The sheave size of this Barton pulley block is 45mm.
