Ronstan RF129106A S125 Orbit BlockStand Up Swivel Suits 12mm Bar Pad Eye

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.

Applications

• Primary mainsheet blocks on boats to 18m (60ft)
• Secondary mainsheet blocks, spinnaker systems, halyards on
  boats to 22m (72ft)
• Running backstay systems on boats to 16m (53ft)

Materials

• Fully machined Alloy cheek plates
• Alloy sheaves with captive ball races
• Torlon needle rollers
• Carbon black Acetal ball bearings

Features:

• 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.
• Replaces RF129106

Specifications:

Sheave diameter	125 mm
Max. Rope diameter	18 mm
Max. Cable diameter	mm
Pin diameter	21 mm
M.W.L.	5000 kg
B. L.	10000 kg
Weight	1360 g