Ronstan

Ronstan RF35151 Series 30 Ball Bearing Orbit Block - Cheek

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SKU:
18036460
MPN:
rf35151
Availability:
Usually ships the same or next business day. In stock at our FL, NJ warehouses.
Shipping:
Calculated at Checkout
Stock Update:
02/07/2026 03:11:28 AM PST
$21.33
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Buy 2 or above and pay only $19.25 each 19.25
Stock Update:
02/07/2026 03:11:28 AM PST

Description

This item is brand-new, factory sealed.

Series 30 Ball Bearing Orbit Block™ - Cheek

Ball Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options.
Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fiber-reinforced composites in the block head, cleat arms and beckets.

Features:
  • Lightweight
  • Highest working load in its class
  • Secure, versatile and secure attachement
  • Low profile and compact


Applications:
  • Mainsheet systems and spinnaker sheets on dinghies to 5M(16')
  • Halyard, vang and backstay applications on boats to 5M(16')
  • Control line applications on larger yachts


Materials:
  • Sheave: High compression strength carbon black Acetal
  • Ball Bearings: High compression strength Acetal
  • Frame/Cheeks: Toughened, glass fiber reinforced Nylon
  • Link: UV stabilized, multi-strand impregnated SK75 Dyneema®


Specifications:
Sheave Ø:30mm(1-3/16")
Max. Rope Ø:8mm(5/16")
M.W.L.:300kg(660lbs)
B. L.:600kg(1,320lbs)
Weight:21g(0.7oz)
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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Ronstan RF35151 Series 30 Ball Bearing Orbit Block - Cheek
$21.33