Barton Ball Bearing Size 4 Single upright with Fairlead Block

The Barton Size 4 Single Upright With Fairlead Block is designed for small to mid-range vessels and comes with nylon sheaves suitable for all ropes, including braided dyneema. Newly designed for 2019 onwards, the Barton Blocks are known as great value for money and practical for many applications. For racing applications, consider getting the ball bearing versions.

Barton Size 4 Blocks are suitable as mainsheet, vang or lead blocks for smaller dinghies, including Laser, Topper, and Optimist boats.

The 54mm sheave Size 4 range is of 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.

Specifications

• Weight: 230 g
• Dimensions: 109 × 58 × 78 mm
• Size: 4 (58 mm)
• Block Type: Upright with Fairlead
• No. of Sheaves: Single
• Bearing Type: Ball Bearing
• Sheave Size: 58 × 17 mm (2 5/16" × 5/8")
• Max Rope Diameter: 12 mm (7/16")
• SWL: 750 kg (1650 lbs)
• Break Load: 1500 kg (3300 lbs)
• Max Rolling Load (Ball Bearing): 525 kg (1157 lbs)
• Brand: Barton

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Factsheet