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Ronstan Series 60 Orbit Block, Single, Becket

$315.81 (You save $47.38)
1.00 LBS
Calculated at checkout
    Manufacturer part #: RF69110 1

    Technical Description
    Series 60 Orbit Single Becket Block
    2 3/8 in
    60 mm
    1/2 in
    12 mm
    5/16 in
    8 mm
    3970 lb
    1800 kg
    8820 lb
    4000 kg
    10.2 oz
    290 g
    Manufacturer part #: RF69110

  • The highest strength-to-weight ratio
  • Minimal friction loss, especially when working at high loads
  • Totally reliable and trouble free performance
  • Simplicity of design and construction to facilitate maintenance and servicing
  • Elegant, functional styling and finish
  • Ronstan Series 60 Orbit Blocks
    Orbit blocks™ are a no-compromise product range developed to meet the demands and expectation of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners.

    The Orbit sheave has captive Acetal ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and allows for a wider bearing surface that can accommodate longer Torlon° needles  – achieving a substantially higher strength-to-weight ratio.

    Head posts of swivel blocks can be locked at 0 or 90 degrees.

  • Primary mainsheet, halyard and spinnaker systems on boats to 12 m (40 ft)
  • Secondary mainsheet, vang systems on boats to 14 m (46 ft)
  • Standard and running backstay systems on boats to 10 m (33 ft)
  • General control line and lead block applications on larger yachts

  • Materials
  • Fully machined Alloy cheek plates
  • Alloy sheaves with captive ball races
  • Torlon° needle rollers
  • Carbon black Acetal ball bearings
  • Forged grade 17-4PH stainless steel shackles
  • Grade 316 stainless steel head post
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