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Series 75 Single Orbit Block


Model # 7298771 | Mfg # RF79100
Ships directly from the vendor

This exceptionally strong block features the performance Orbit sheave with captive Acetal ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and offers a wider bearing surface that can accommodate longer Torlon(r) needles, achieving a super high strength-to-weight ratio.


  • Sheave: 75 mm
  • 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
  • Lockable swiveling head post
  • High strength forged shackle


  • 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

Series 75 Single Orbit Block

Becket No Becket
Diameter 9/16 Inch or 14 mm
Direction Any
Integral Cleat No Integral Cleat
Mount Type Swivel Shackle
Ratchet Non Ratcheting
Safe Working Load 5400 Pounds
Sheave Diameter 75 mm
Type Single
Weight 12 Ounces

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