Ball Bearing

RF72100

Series 75 Ratchet Block

Single Sheave Block with Lockable Swivel Shackle Head and Ratchet

FEATURES

Unrivalled 20:1 holding power.

Dual sided On/Off switch.

Ability to operate On/Off switch under load.

Low friction ball bearing system.

Lightweight.

Cheek cut-outs for easy bearing maintenance.

Specifications

Product Specifications
B.L. (kg)2000
M.W.L. (kg)420
Max. Rope diameter (mm)12
Weight (g)290
Pin Ø (mm)7

The patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 20:1 holding power.

Unrivalled low weight is achieved by the use of a Torlon® ratchet pawl, high grade machined alloy sheave and black Acetal hubs and bearings. On-Off switching knob is fitted to both sides of the swivel blocks (one can be removed if desired). Ratchet blocks can be disassembled for sheave replacement with RF72000.

Technical Information

Applications

  • Dinghy mainsheet systems - when maximum holding power is required.
  • RF72100 mainsheet systems on sportsboats using RF7 mainsheet swivel cleat unit.
  • Control line applications on larger yachts.

 

Materials

  • Sheave & cheek plates: Anodised aluminium.
  • Ball bearings: High compression strength acetal.
  • Ratchet pawl: High strength Torlon®.
  • Swivel shackle head fitting: Grade 316 stainless steel.

 

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