Imperial Metric
Sheave Dia. 1 3/16 in. 30 mm
Max. Rope Dia. 5/16 in. 8 mm
Max.Cable Dia. - in. - mm
Fastener Dia. 3/16 in. 5 mm
M.W.L. 660 lb. 300 kg
B.L. 1650 lb. 750 kg
Weight 1.2 oz 35 g

Product Description

Precision moulded Acetal sheaves running on Acetal ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.

  • Low friction, 2-stage ball bearing system
  • Lightweight
  • Cheek cut-outs for easy bearing maintenance
  • Lockable swivelling head post
  • High strength forged shackle

  • Exit blocks minimise friction in lines passing through the deck or exiting masts and booms

  • Grade 316 stainless steel load straps
  • Acetal ball bearings and UV stabilised Acetal sheave
  • Impact and UV resistant, fibre reinforced Nylon cheeks

    Part Number: RF30711

  • Customer Ratings & Reviews

    Be the first to rate this item!

    Write Review

    Click Image to Zoom
    Ronstan Series 30 BB Block, Exit With Cover Plate
    Original Price: $ 22.30
    Price: $ 18.95
      Not Yet Rated | Write the First Review

      © Site content copyright Mauri Pro Sailing, LLC. All rights reserved
      Site developed by Mauri Pro Sailing
      Mauri Logo