The Story
Barton’s Size 7 Single Plain Bearing Stand-Up Block is engineered for optimal performance on larger cruising and racing yachts. Crafted with precision, this high-load block ensures smooth and reliable operation even under the most demanding marine conditions.
Exceptional Build Quality
The Barton plain bearing block features a precision-molded acetal sheave that runs seamlessly on a large-diameter brass bearing. This combination guarantees free-running action, capable of handling the highest of loads with ease. The blocks are constructed with rugged durability in mind, utilizing high-quality injection-molded side plates paired with 316-grade stainless steel components for all load-bearing parts. Enhanced with through-bolted and riveted side plates, these blocks offer added strength and security, making them a dependable choice for any marine application.
Key Features
- Designed specifically for larger cruising and racing yachts, providing both functionality and aesthetic appeal.
- High-load capacity suitable for demanding marine environments.
- Versatile application across various sailing and rigging setups.
Specifications & Dimensions
| Specification | Measurement |
|---|---|
| Length | 162 mm / 6-3/8" |
| Weight | 444 g |
| Single Sheave Dimensions | 70 mm x 20 mm / 2-3/4" x 3/4" |
| Maximum Rope Diameter | 14 mm / 9/16" |
| Safe Working Load (SWL) | 1250 kg / 2750 lbs |
| Break Load | 2500 kg / 5500 lbs |
Important Note
Break Loads: The specified break and safe working loads assume that all sheaves are evenly loaded, as in a purchase tackle setup. Uneven loading or the use of a single sheave in a double or triple block arrangement can significantly reduce the strength and safety of the system.
Description
Barton’s Size 7 Single Plain Bearing Stand-Up Block is engineered for optimal performance on larger cruising and racing yachts. Crafted with precision, this high-load block ensures smooth and reliable operation even under the most demanding marine conditions.
Exceptional Build Quality
The Barton plain bearing block features a precision-molded acetal sheave that runs seamlessly on a large-diameter brass bearing. This combination guarantees free-running action, capable of handling the highest of loads with ease. The blocks are constructed with rugged durability in mind, utilizing high-quality injection-molded side plates paired with 316-grade stainless steel components for all load-bearing parts. Enhanced with through-bolted and riveted side plates, these blocks offer added strength and security, making them a dependable choice for any marine application.
Key Features
- Designed specifically for larger cruising and racing yachts, providing both functionality and aesthetic appeal.
- High-load capacity suitable for demanding marine environments.
- Versatile application across various sailing and rigging setups.
Specifications & Dimensions
| Specification | Measurement |
|---|---|
| Length | 162 mm / 6-3/8" |
| Weight | 444 g |
| Single Sheave Dimensions | 70 mm x 20 mm / 2-3/4" x 3/4" |
| Maximum Rope Diameter | 14 mm / 9/16" |
| Safe Working Load (SWL) | 1250 kg / 2750 lbs |
| Break Load | 2500 kg / 5500 lbs |
Important Note
Break Loads: The specified break and safe working loads assume that all sheaves are evenly loaded, as in a purchase tackle setup. Uneven loading or the use of a single sheave in a double or triple block arrangement can significantly reduce the strength and safety of the system.