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Ronstan  |  SKU: HS-55136

Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount [RF20151A]

$20.73 $25.12

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Returns

At Harbor Supply, we aim to ensure you’re completely satisfied with your purchase. If you need to return an item, you have 90 days from the date of delivery to initiate a return.

Eligibility for Returns:

To be eligible for a return:

  • The item must be in its original condition—unused, unworn, with all tags still attached, and in its original packaging.
  • You’ll need the receipt or proof of purchase.

Please note, returns must be authorized before sending any items back. Items returned without prior authorization will not be accepted.

Description

Series 20 Ball Bearing Block - Single - Cheek Rivet Mount

Features:

  • Low friction
  • High static and dynamic load capacity
  • Lightweight
  • Suitable for screw or pop rivet mounting
  • Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction


Applications:
  • Dinghy control lines
  • Dinghy Vangs
  • Cunninghams
  • Traveller controls


Materials:
  • U.V. Stabilized Acetal sheaves
  • Stainless steel ball bearings
  • Grade 316 stainless steel load strap and head fitting
  • Impact and UV resistant, fiber reinforced Nylon cheeks


Specifications:
Sheave Ø:t20mm(3/4")
Max. Rope Ø:t6mm(1/4")
M.W.L.:t200kg(440lbs)
B. L.:t550kg(1,210lbs)
Weight:t17g(0.6oz)