Description
Barton Marine 45mm Plain Bearing Block | Boat Supply Store
Addressing the need for reliable purchase systems on smaller vessels, this Barton Marine Size 3 pulley block offers robust performance with a 45mm sheave diameter and plain bearing for smooth operation. Its construction integrates durable stainless steel frames with 30% fiberglass-filled nylon, supporting ropes up to 10mm (3/8). This block is an excellent choice for mainsheets, vangs, or lead blocks on dinghies and dayboats operating in coastal waters.
Key Features
- Smooth Operation with 45mm sheave diameter and plain bearing.
- Exceptional Durability thanks to robust stainless steel frames.
- Lightweight Strength from 30% fiberglass-filled nylon construction.
- Low Friction Performance provided by Acetal sheaves.
- Secure Attachment via the fixed eye fitting.
- Versatile Rope Compatibility for lines up to 10mm (3/8).
- Compact Size ideal for space-constrained rigging.
- Cost-Effective Solution for essential sailing hardware.
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 45mm |
| Bearing Type | Plain Bearing |
| Frame Material | Stainless Steel |
| Construction Material | 30% Fiberglass Filled Nylon |
| Sheave Material | Acetal |
| Max Rope Diameter | 10mm (3/8") |
| Attachment Type | Fixed Eye |
| Size | 3 |
Who This Is For
Dinghy sailors, dayboat owners, and lightweight cruiser users who require a strong, compact, and reliable pulley block for mainsheets, vangs, lead blocks, or other purchase systems. This block is designed for ease of use and dependable performance on smaller to medium-sized sailing craft.
How It Compares
| Feature | Barton Marine 45mm Plain Bearing Block | Harken 163 Single Swivel Block |
|---|---|---|
| Sheave Diameter | 45mm | — |
| Bearing Type | Plain Bearing | Plain Bearing |
| Max Rope Diameter | 10mm (3/8") | — |
| Frame Material | Stainless Steel | Nylon |
| Sheave Material | Acetal | Nylon |
| Attachment Type | Fixed Eye | Swivel Head |
Common Concerns Answered
Is a plain bearing block sufficient for my sailing needs?
For small to medium sailing applications like those this block is designed for, plain bearings offer smooth, reliable operation and are a standard, cost-effective choice. While ball bearings are optimal for very high loads or extreme light load sensitivity, this block's plain bearing is well-suited for its intended use.
Is a fixed eye block the best option for my rigging?
A fixed eye block provides a secure, non-swiveling attachment point, which is ideal for many rigging setups such as mainsheets or fixed vang leads. If your application requires more articulation, a swivel block might be considered, but the fixed eye offers superior stability for specific uses.
What is the typical customer feedback on this block?
Customer sentiment is generally positive, with users frequently highlighting the block's robust construction, smooth performance, and excellent value for money in small to medium sailing contexts. It's appreciated for its durability and reliability on various small craft.
Frequently Asked Questions
What is the maximum rope size this Barton Marine pulley block can accommodate?
This Barton Marine pulley block is designed to accommodate ropes up to 10mm (3/8 inch) in diameter.
What are the primary applications for the Barton Marine Size 3 45mm pulley block?
This pulley block is ideal for mainsheets, vangs, lead blocks, and other purchase systems on dinghies, dayboats, and lightweight cruisers.
What materials are used in the construction of this Barton Marine pulley block?
The block features stainless steel frames, 30% fiberglass-filled nylon construction, and Acetal sheaves for optimal strength and low friction.
Is this pulley block suitable for high-load applications on larger boats?
This block is specifically designed for small to medium sailing applications. For high-load applications on larger boats, a larger block with a ball bearing system would be more appropriate.
What is the sheave diameter of this Barton Marine pulley block?
The sheave diameter of this Barton Marine pulley block is 45mm.