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Ronstan  |  SKU: RONRF48210  |  Manuf. Code: RF48210

Ronstan S40 BB Orbit Block,Double,Becket,Swivel Shackle

$83.99 USD $104.99

Description

The Ronstan S40 BB Orbit Block, Double, Becket, Swivel Shackle #RF40530 is a versatile sailing essential designed for strength and performance on the water. With its innovative two-stage ball bearing system, it offers smooth operation while maintaining low friction, making it perfect for sailing enthusiasts. Crafted with precision, this block is a reliable addition to any sailing gear.

Features & Benefits

  • Class-leading dynamic and static load ratings
  • Lightweight, toughened glass fibre reinforced nylon cheeks
  • 2-stage ball bearing system for reduced friction
  • Stainless steel fittings for durability and corrosion resistance

The block features high compression strength acetal sheave and balls, ensuring durability and performance. The frame and cheeks are made of toughened, glass fibre reinforced nylon, providing robust strength without the weight of traditional stainless steel. Head fittings and hubs crafted from grade 316 stainless steel add to its reliability and corrosion resistance, making it ideal for various sailing applications.

Usage

This block is perfect for creating multiple sheave systems, with versatility allowing setups such as a 12:1 purchase mainsheet system, suitable for performance catamarans and other off-the-beach sailing vessels.

Features

Features:

  • 2-stage ball bearing system
  • Headposts freely swivel or can be locked in 0 degrees or 90 degrees
  • Removable becket pins allow lines to be spliced prior to fitting and are secured using a split ring
  • Mainsheet systems and spinnaker sheets on dinghies, off-the-beach catamarans and sportsboats to 8m (26ft)
  • Halyard, vang and backstay applications on boats to 8m (26ft)
  • Control line applications on larger yachts

Knowledge Base

Technical Information


DescriptionImperialMetric
Sheave Ø1 4/7 in.40.00 mm.
Maximum Rope 2/5 in.10.00 mm.
Pin Ø1/5 in.5.00 mm.
Maximum Working Load1323.00 lb.600.00 kg.
Breaking Load2646.00 lb.1200.00 kg.
Weight4.59 oz.130.00 gr.

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