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Ronstan

Block/Fiddle, B.B. 5/16". Series 40 Uni Head

Block/Fiddle, B.B. 5/16". Series 40 Uni Head

Category: Ronstan
MPN # RF40500 SKU # RF40500

UPC : 9316800244133

$78.00 CAD
Regular price Sale price $78.00 CAD
Shipping calculated at checkout.

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  • Description

RF40500

Series 40 Ball Bearing Block, Fiddle

Fiddle block with universal head

FEATURES

Low friction acetal 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.

SPECIFICATIONS

Product Specifications
B.L. (kg) 1000
M.W.L. (kg) 350
Max. Rope diameter (mm) 8
Weight (g) 90
Pin Ø (mm) 5

Product Information

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.

The Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required.



TECHNICAL INFORMATION

APPLICATIONS

  • Mainsheet
  • Halyard
  • Vang
  • Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)
  • 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.