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Ronstan Series 40 BB Block, Fiddle

$64.22
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SKU:
RONRF40500
Weight:
0.50 LBS
Shipping:
Calculated at Checkout
Size:
40 mm
Manufacturer part #: RF40500 1

Technical Description
Series 40 BB Fiddle Block
1 9/16 in + 15/16 in
40 mm + 24 mm
5/16 in
8 mm
3/16 in
5 mm
770 lb
350 kg
2200 lb
1000 kg
3.2 oz
90 g
Manufacturer part #: RF40500Ronstan Series 40 Ball Bearing/ High Load Blocks

  • Low friction Acetal or Torlon° bearing system
  • Lightweight
  • Cheek cut-outs for easy bearing maintenance
  • Captive Lock™ universal head
  • Slotted pin shackle eliminates fouled lines
  • Low friction, 2-stage ball bearing system
  • High static and dynamic load capacity
  • Lightweight
  • Cheek cut-outs for easy bearing maintenance

  • Sheaves running on Acetal or Torlon° ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range. Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required.

    Applications
  • Mainsheet
  • Halyard
  • Vang
  • Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8 m (26 ft)
  • Typically used in direct 4:1 purchase systems such as mainsheets and boom vangs
  • On larger boats they are used for fine-tune mainsheet tackles, outhauls, cunninghams, checkstays, genoa lead pullers and traveller controls

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