plain bearing block / single / with swivel / max. rope ø 12 mm
RF64100 Ronstan



  • Type:

    plain bearing

  • Number of sheaves:


  • Configuration:

    with swivel

  • Maximum line diameter:

    max. rope ø 12 mm

  • Application domain:

    for sailboats

  • Applications:

    halyard, spinnaker

  • Working load:

    1,000 kg (2,204.6 lb)

  • Breaking load:

    2,000 kg (4,409.2 lb)


Class leading performance and sleek, contemporary styling
Excellent dynamic and high static load performance
Less than half the friction of the nearest competitor
Universal head with full 3-axis articulation
Head posts can be locked at 0 or 90 degrees, by using a 2.5mm Hex/Allen Key
Central hub hole can be used as a becket take-off or tie-up point
Alloy Rope/Wire sheave version also available