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ball bearing block / triple / with shackle / max. rope ø 10 mm

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ball bearing block ball bearing block - Control


  • Type:

    ball bearing

  • Number of sheaves:


  • Configuration:

    with shackle

  • Maximum line diameter:

    max. rope ø 10 mm, max. rope ø 8 mm

  • Application domain:

    for sailboats, dinghy

  • Applications:

    spinnaker, mainsail

  • Material:

    stainless steel

  • Working load:

    500 kg, 720 kg (1,102.3 lb)


Ideal for use with hand-held loads, Lewmar’s Control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple.


Very High Strength
Impact Resistant
Reduced Friction
Easy Maintenance
Optimised for hand control


Ball bearing blocks are typically used for medium and dynamic loads in:

Control line applications
Mainsail sheets for dinghies and keelboats
Spinnaker sheets, barber haulers
Genoa sheets
Dinghy applications

Other Lewmar products