Barton Marine Size 5 54mm Double Block with Swivel and Plain Bearing - Marine Yacht Rigging

Size 5 54mm Plain Bearing Pulley Block Double Block Swivel

The Size 5 Barton range of blocks has a 54mm 2 1/8 sheave. They are a rugged construction, featuring high-grade moulded side plates that are through-bolted and riveted for added strength and security. All load-carrying components and interior frame are from marine-grade 316 stainless steel, and both plain and ball bearing sheaves are available. This sleek and versatile range is engineered for use on larger cruising and racing yachts and is compatible with our ball bearing mainsheet traveller system.

Suitable for up to 12mm 7/16 rope.

Specifications:

• Weight: 290 g
• Dimensions: 130 59 58 mm
• Size: 5 (54MM)
• Block Type: Swivel
• No. of Sheaves: Double
• Bearing Type: Plain
• Sheave Size: 54mm x 17mm (2 1/8 x 5/8)
• Max rope diameter: 12mm (7/16)
• SWL: 750kg (1650lbs)
• Break load: 1500kg (3300lbs)
• Max rolling load (ball bearing blocks): 525kg (1157lbs)

The Barton Marine Size 5 54mm double block with swivel offers a robust solution for larger cruising and racing yachts. Crafted with high-grade molded side plates that are through-bolted and riveted, this block ensures exceptional strength and durability in demanding marine environments. All load-bearing components and the interior frame are made from marine-grade 316 stainless steel, providing excellent corrosion resistance and longevity at sea. Designed to accommodate up to 12mm (7/16 inch) ropes, this block is suitable for a variety of high-performance sailing applications.

Featuring a 54mm (2 1/8 inch) sheave, this double block is engineered for smooth operation and reliable performance. The swivel design allows for easy positioning and reduces stress on the rigging, making it ideal for complex sail plans. The plain bearing type ensures minimal maintenance while maintaining consistent performance over time. Whether used in main sheet systems or other control lines, this block integrates seamlessly with Barton’s ball bearing mainsheet traveler system for enhanced efficiency.

Weighing approximately 10 ounces, this compact yet sturdy block is lightweight enough to reduce overall rig weight without sacrificing strength. The maximum working load of 1,650 pounds and break load of 3,300 pounds provide a significant safety margin for demanding sailing conditions. Its dimensions make it versatile for a variety of yacht setups, and the sleek design complements modern marine aesthetics. Trust Barton Marine’s proven craftsmanship to deliver reliable, high-performance rigging components that stand up to the rigors of the sea.

Ideal for sailors seeking durable, high-quality hardware, the Barton Size 5 54mm double block with swivel is an essential addition to any serious yacht's rigging system. Its rugged construction, corrosion-resistant materials, and versatile features make it a dependable choice for both cruising and racing applications, ensuring smooth operation and long-lasting performance on the water.

Features:

• High-grade molded side plates that are through-bolted and riveted for added strength

• Marine-grade 316 stainless steel load-carrying components and interior frame for corrosion resistance

• Suitable for up to 12mm (7/16 inch) ropes, ideal for various sailing applications

• 54mm (2 1/8 inch) sheave with a double block design for efficient line handling

• Swivel block for easy positioning and reduced rig stress

• Plain bearing type for minimal maintenance and reliable performance

• Lightweight design at approximately 10 ounces for easy handling onboard

• Maximum working load of 1,650 pounds and breaking load of 3,300 pounds for safety

• Compatible with Barton’s ball bearing mainsheet traveler system for enhanced sailing performance