Description
Barton Size 4 58mm Plain Bearing Pulley | Boat Supply Store
Engineered for the rigorous demands of larger cruising and racing yachts, this Barton Size 4 pulley block ensures reliable operation in demanding marine environments. Its construction features rugged molded side plates and a 58mm sheave diameter, capable of handling rope up to 12mm (7/16"). The robust design incorporates marine-grade 316 stainless steel load-bearing components and a through-bolted and riveted assembly for superior strength and longevity, making it ideal for mainsheet systems and general rigging.
Key Features
- DURABLE 58mm (2 5/16") sheave diameter for versatile rigging
- RUGGED Construction with high-grade molded side plates
- STRONG Through-bolted and riveted for enhanced structural integrity
- CORROSION RESISTANT Marine grade 316 stainless steel load-bearing components
- SMOOTH OPERATION Plain bearing sheave designed for consistent performance
- HIGH CAPACITY Suitable for rope up to 12mm (7/16")
- MARINE GRADE Built with essential 316 stainless steel interior frame
- VERSATILE Ideal for mainsheet systems and general rigging applications
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 58mm |
| Max Rope Diameter | 12mm (7/16") |
| Bearing Type | Plain Bearing |
| Construction | Rugged molded side plates, through-bolted and riveted |
| Load-Bearing Material | Marine grade 316 stainless steel |
| Interior Frame Material | Marine grade 316 stainless steel |
Who This Is For
Sailors and boat owners with larger cruising and racing yachts requiring a robust and reliable pulley block. This block is specifically engineered for demanding rigging applications on vessels where durability and strength are paramount.
How It Compares
| Feature | Barton Size 4 58mm Plain Bearing Pulley | Competitor |
|---|---|---|
| Sheave Diameter | 58mm | — |
| Max Rope Diameter | 12mm (7/16") | — |
| Bearing Type | Plain Bearing | Plain Bearing, Plain Bearing |
| Construction | Rugged molded side plates, through-bolted and riveted | High-strength composite, stainless steel; Glass-reinforced nylon cheeks, stainless steel axle |
| Load-Bearing Material | Marine grade 316 stainless steel | Stainless steel, Stainless steel axle |
Common Concerns Answered
Is this pulley block suitable for high-performance racing yachts?
While this pulley is built for durability on larger yachts, some extreme racing applications may benefit from ball-bearing systems for marginally lower friction. However, its robust 316 stainless steel construction and secure assembly make it a dependable choice for many racing scenarios.
What is the primary advantage of this plain bearing pulley over a ball bearing model?
Plain bearing pulleys, like this Barton Size 4 model, offer inherent simplicity and exceptional durability in harsh marine conditions. They are less prone to failure from grit and corrosion compared to some ball bearing designs, providing reliable performance over a long service life.
Is the price justified for smaller boat applications?
The price point reflects the premium marine-grade 316 stainless steel components and robust construction tailored for larger yachts. For smaller boats with less demanding loads, other options might be more cost-effective, but this block offers superior longevity and strength for its intended larger vessel application.
Frequently Asked Questions
What is the maximum rope diameter this Barton Size 4 pulley can accommodate?
This Barton Size 4 pulley is designed to accommodate rope diameters up to 12mm (7/16").
What type of bearing does the Barton Size 4 58mm pulley use?
The Barton Size 4 58mm pulley utilizes a plain bearing system for operation.
What marine-grade stainless steel is used in the construction of this block?
Marine-grade 316 stainless steel is used for the load-bearing components and the interior frame of this pulley block.
Is this pulley block suitable for both cruising and racing yachts?
Yes, its robust construction and reliable plain bearing make it suitable for both cruising and racing yachts, particularly for larger vessels where durability is essential.
Can this pulley be used with a mainsheet traveler system?
Absolutely. This pulley block's strength and capacity for up to 12mm rope make it an excellent component for mainsheet traveler systems on larger yachts.
