Description
Barton 35mm Double Swivel Pulley w/Becket | Boat Supply Store
For efficient load management and directional changes in complex sail control systems, this Barton Size 2 pulley block proves essential. It features a 35mm sheave diameter and a double sheave configuration capable of handling ropes up to 8mm (5/16) in diameter. The robust internal stainless steel frame ensures durability, supporting a Safe Working Load (SWL) of 370kg (815lbs), making it ideal for mainsheet systems or vang controls on cruising sailboats.
Key Features
- Durable 35mm sheave size for versatile rope compatibility
- Efficient Double sheave configuration for mechanical advantage
- Secure Swivel head with becket for adaptable attachment points
- Smooth Plain bearing for reliable, friction-reduced operation
- Robust Internal stainless steel frame for enhanced longevity
- Lightweight Design for minimal impact on rigging weight
- Versatile Suitable for up to 8mm (5/16) rope diameters
- Reliable High load ratings for demanding sailing applications
Specifications
| Product Specifications | |
|---|---|
| Size | 2 |
| Sheave Diameter | 35mm (1 3/8) |
| Number of Sheaves | Double |
| Bearing Type | Plain Bearing |
| Head Type | Swivel with Becket |
| Max Rope Diameter | 8mm (5/16) |
| Safe Working Load (SWL) | 370kg (815lbs) |
| Break Load | 740kg (1630lbs) |
| Weight | 99g |
| Dimensions | 100x39x38mm |
Who This Is For
Sailors and boaters requiring a dependable, high-performance pulley block for diverse rigging applications on yachts. It is particularly suited for those needing a dual sheave with swivel and becket for effective load distribution and secure attachment.
How It Compares
| Feature | Barton 35mm Double Swivel Pulley w/Becket | Competitor |
|---|---|---|
| Sheave Diameter | 35mm | — |
| Number of Sheaves | Double | Single |
| Bearing Type | Plain | Carbo-Air |
| Block Type | Double Swivel & Becket | Single Swivel with Becket |
| Max Rope Diameter | 8mm (5/16) | — |
| SWL | 370kg (815lbs) | — |
| Break Load | 740kg (1630lbs) | — |
| Weight | 99g | Approx. 40g |
Common Concerns Answered
Are plain bearings as effective as ball bearings for this pulley?
Plain bearings offer a good balance of performance and durability for many applications. While ball bearings provide lower friction for extremely high-speed or high-load situations, plain bearings are generally sufficient and more cost-effective for typical cruising and day-sailing requirements.
How does the durability of a plain bearing compare to a ball bearing in marine environments?
Plain bearings in this Barton block are designed for longevity with their robust internal stainless steel frame. While they may experience more wear than sealed ball bearings under extreme, continuous high-speed use, they are generally reliable for standard sailing loads and are less susceptible to corrosion issues from salt ingress than some ball bearing designs.
What is the expected lifespan of the plain bearing in this block?
The lifespan of a plain bearing is dependent on the specific application, load, and maintenance. With proper use within its rated SWL and occasional rinsing with freshwater, this block should provide reliable service for numerous sailing seasons.
Frequently Asked Questions
What is the maximum rope diameter this Barton pulley block can accommodate?
This Barton Size 2 35mm pulley block is designed to accommodate ropes with a maximum diameter of 8mm (5/16 inch).
What is the Safe Working Load (SWL) and Break Load for the Barton Size 2 35mm pulley block?
The Safe Working Load (SWL) for this pulley block is 370kg (815lbs), and its Break Load is 740kg (1630lbs).
Is this pulley block available with ball bearings, or only plain bearings?
This specific Barton Size 2 35mm pulley block is equipped with plain bearings.
What are the dimensions of the Barton Size 2 35mm pulley block?
The dimensions of the Barton Size 2 35mm pulley block are 100mm in length, 39mm in width, and 38mm in height.
What is the weight of the Barton Size 2 35mm pulley block?
The Barton Size 2 35mm pulley block weighs 99 grams.