Barton Marine Size 7 Single Plain Bearing Stand-Up Block for Cruising and Racing Yachts

Size 7 Single Plain Bearing Stand-Up Block

Barton plain bearing blocks have a precision molded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads. This range of high-load cruiser bocks is of rugged construction, featuring high-quality injection molded side plates with all load-carrying components from 316-grade stainless steel. Side plates are through-bolted and riveted for added strength and security.

Features:

• This good-looking and versatile range is designed for use on larger cruising and racing yachts

Specifications Dimensions:

• Length: (mm) 162 / (inch) 6-3/8"
• Weight (grams): 444 g.
• Single (mm) 70 x 20 / (inch) 2-3/4" x 3/4"
• Max Rope Diameter: (mm) 14 / (inch) 9/16"
• SWL: (kg) 1250 / (lbs.) 2750
• Break Load: (kg) 2500 / (lbs.) 5500

Note: break loads where break and safe working loads are stated, it is assumed that all sheaves are evenly loaded as in a purchase tackle Uneven loading, or loading of one sheave in a double or triple block, will severely affect the strength quoted.

The Barton Marine Size 7 Single Plain Bearing Stand-Up Block is designed for demanding sailing applications on larger cruising and racing yachts. Crafted with rugged construction, this block features high-quality injection-molded side plates made from durable acetal, ensuring smooth operation under high loads. The sheave, precision molded from acetal and running on a large diameter brass bearing, provides excellent free running, reducing friction and improving efficiency during sail handling. All load-bearing components are constructed from 316-grade stainless steel, offering corrosion resistance and long-lasting performance. The side plates are through-bolted and riveted for added strength and security, making this block reliable in demanding maritime environments. With a length of approximately 6-3/8 inches and a weight of around 15.6 ounces, this block supports a maximum rope diameter of 9/16 inch and a safe working load of 2,750 pounds, with a break load capacity of 5,500 pounds. This versatile and attractive block is suitable for various rigging configurations, providing sailors with a dependable solution for high-load applications on larger vessels. Proper usage involves evenly distributed loads; uneven or concentrated loading can significantly impact the block’s rated strength, so careful installation and load management are essential to ensure safety and longevity of the equipment.

Features:

• Designed for larger cruising and racing yachts

• High-quality injection-molded acetal side plates

• Large diameter brass sheave for smooth operation

• Load-bearing components made from 316-grade stainless steel

• Side plates are through-bolted and riveted for durability

• Supports maximum rope diameter of 9/16 inch

• Maximum working load of 2,750 pounds with a break load of 5,500 pounds

• Rugged construction suitable for demanding marine environments