Series 40 Orbit
PHOTO CREDIT © Cate Brown

Series 40 Ball Bearing Orbit Blocks™

Series 40 Ball
Bearing Orbit
Blocks™

These high performance 40mm blocks feature our 2-stage bearing system and are engineered to achieve the highest possible strength-to-weight ratio, Ronstan Series 40 Orbit Blocks™ are a popular choice on mainsheet systems and spinnaker sheets for dinghies up to 5m (16').

Featuring class leading strength, accommodating rope diameters up to 10mm, and available in 23 individual configurations, Ronstan’s new Series 40 Orbit Blocks™ are the most capable blocks of their size.

View as Grid List

34 Products

  1. High Load Stainless Steel Sheave
    Series 40 Ball Bearing Orbit Block™, High Load Lashing Snatch Block
    RF48109HL Series 40 Ball Bearing Orbit Block™, High Load Lashing Snatch Block
    High load lashing block with single stainless steel sheave and rotating cheeks for snatch block functionality.
    $187.30
  2. All Purpose
    Series 40 Ball Bearing Exit Block, Narrow
    RF45711N Series 40 Ball Bearing Exit Block, Narrow
    40mm Acetal Sheave, Anodised Aluminium Housing, Requires 2x 6mm (1/4") Fasteners. Reduced width sheave box for lower load applications.
    $105.90
Page
per page

Need some advice?

Send us a
Message

Find a
Dealer