Skip to product information
1 of 1

Ronstan

Block/Fiddle B.B. 5/16". Uni Head With Becket

Block/Fiddle B.B. 5/16". Uni Head With Becket

Category: Ronstan
MPN # RF40510 SKU # RF40510

UPC : 9316800244164

$86.00 CAD
Regular price Sale price $86.00 CAD
Shipping calculated at checkout.

⚠️ Important Pickup Information

While our retail store carries a wide selection of products shown on this website, it is not possible to stock all 80,000+ products in-store.

Please place your order online or call us before driving to the store to confirm inventory availability.

If the item is not available in-store, we can usually transfer it from our warehouse within 3–5 business days, and we'll notify you as soon as it is ready for pickup or delivery .

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • JCB
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa
  • Free shipping on most orders over $120across Canada exceptions apply
View full details
  • Description

RF40510

Series 40 Ball Bearing Block, Fiddle with Becket

Fiddle block with becket and universal head

FEATURES

Low friction Acetal bearing system.

Lightweight.

Cheek cut-outs for easy bearing maintenanceCaptive Lock™ universal head.

Slotted pin shackle eliminates fouled lines.

Snap fit removable becket pin.

SPECIFICATIONS

Product Specifications
B.L. (kg) 1000
M.W.L. (kg) 350
Max. Rope diameter (mm) 8
Weight (g) 97
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.

Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required. Becket pin is removeable so line can be spliced prior to fitting and is ingeniously locked into position without the use of a clevis pin, split ring or tools.



TECHNICAL INFORMATION

APPLICATIONS

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.