Description
Barton Marine 20mm Plain Bearing Pulley Block | Boat Supply Store
Address basic rigging requirements with the Barton Marine Size 0 20mm Plain Bearing Pulley Block. This unit offers a simple, lightweight solution for boats up to 6mm (1/4") rope diameter, weighing only 13gms (0.5oz). It is particularly effective for dinghies, day boats, and as a lead block for flag pennants on larger yachts where efficiency is balanced with cost and simplicity.
Key Features
- 20mm sheave diameter for efficient ropeführung
- Plain bearing design for straightforward operation
- Single swivel head for versatile orientation
- Lightweight construction minimizing added weight on vessel
- Suitable for up to 6mm (1/4") rope diameter
- High strength for its size and application
- Cost-effective rigging solution
- Robust for basic load requirements
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 20mm (3/4") |
| Bearing Type | Plain bearing |
| Head Type | Single swivel |
| Max Rope Diameter | 6mm (1/4") |
| Weight | 13gms (0.5oz) |
Who This Is For
Ideal for sailors and boaters with dinghies, day boats, and smaller craft. Also suitable for larger yachts requiring lead blocks or flag pennants.
How It Compares
| Feature | Barton Marine 20mm Plain Bearing Pulley Block | Competitor |
|---|---|---|
| Sheave Diameter | 20mm | — |
| Bearing Type | Plain Bearing | Ball Bearing, Plain Bearing |
| Max Rope Diameter | 6mm | — |
| Weight | 13gms (0.5oz) | 15g, 12g |
Common Concerns Answered
Are plain bearings as durable as ball bearings?
Plain bearings can exhibit wear more rapidly than ball bearings under continuous heavy or frequent load cycles. This block is designed for applications where simplicity and lower load requirements make plain bearings a practical and cost-effective choice.
Is this pulley block suitable for high-load applications?
This block's plain bearing design is optimized for lighter duty applications. For very high-load scenarios where ball bearing efficiency is critical for friction reduction, alternative blocks with ball bearings may be more appropriate.
How does this block compare to ball bearing models in terms of performance?
The plain bearing design prioritizes simplicity and affordability. While ball bearings offer lower friction, especially under load, this block provides reliable performance for its intended use on smaller craft or for specific lead block functions.
Frequently Asked Questions
What is the maximum rope diameter this Barton Marine pulley block can accommodate?
This Barton Marine pulley block is designed to accommodate ropes up to 6mm (1/4") in diameter.
What is the sheave diameter of the Barton Marine Size 0 pulley block?
The sheave diameter of the Barton Marine Size 0 pulley block is 20mm (3/4").
What types of boats is this Barton Marine pulley block suitable for?
This pulley block is suitable for dinghies, day boats, and smaller craft, or as lead blocks and flag pennants on larger yachts.
What is the weight of the Barton Marine Size 0 pulley block?
The Barton Marine Size 0 pulley block weighs a mere 13gms (0.5oz).
Is this pulley block available with ball bearings?
This specific model features a plain bearing design. Barton Marine offers a range of pulley blocks, and other models with ball bearings are available for applications requiring lower friction.
