Barton Marine Size 7 Single Plain Bearing Stand-Up Block

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.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.