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Ronstan
Ronstan Series 125 Orbit Block, Single, Becket
    Code: RONRF129110
    Original Price: $1,098.95
    Price: $934.11
    Currency:
    Quantity in Basket: None
    Quantity:
    Specifications
    Imperial Metric
    Sheave Dia. 5" 125 mm
    Max. Rope Dia. 5/8" 16 mm
    Pin Dia. 13/32" 10 kg
    Maximum Working Load 11020 lb 5000 kg
    Breaking Load 23370 lb 10600 kg
    Weight 29.3 oz 830 g

    Product Description

    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 or Torlon® 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.

    • The highest strength-to-weight ratio.
    • Minimal friction loss, especially when working at high loads.
    • Simplicity of design and construction to facilitate maintenance and servicing.
    • Totally reliable and trouble free performance.
    • Lockable swivelling head post.
    • Fully machined Alloy cheek plates.
    • Alloy sheaves with captive ball races.

    Applications:
    Primary mainsheet blocks on boats to 18 m (60 ft), secondary mainsheet blocks, spinnaker systems, halyards on boats to 22 m (72 ft), running backstay systems on boats to 16 m (53 ft).

    Part Number: RF129110


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