• Ronstan RF40300 Series 40 Triple Ball Bearing Block with Swivel Head
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Ronstan

Ronstan RF40300 Series 40 Triple Ball Bearing Block with Swivel Head

Ronstan RF40300 Series 40 Triple Ball Bearing Block with Swivel Head

70618

$100.97 USD
$100.97 USD
Sale Sold out
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7 in stock

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  • Always Free Shipping—No Minimum Order · Contiguous U.S. orders only. Alaska and Hawaii excluded.

Shipping & Delivery

Always Free Shipping—No Minimum Order
Contiguous U.S. orders only. Alaska and Hawaii excluded.

Returns & Refunds

Eligible items may be returned within 30 days of delivery. Items must be new, unused, uninstalled, and in original packaging. An RMA is required.

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Series 40 Ball Bearing Block - Triple - Swivel Head

Features:

  • Low friction Acetal or Torlon bearing system
  • Lightweight
  • Cheek cut-outs for easy bearing maintenance
  • Features a swivel shackle head for full 360 rotation

Sheaves running on Acetal or Torlon ball bearings provide high performance low friction. The 2-stage ball bearing system provides consistent performance over the full load range.

Applications:

  • Mainsheet
  • Halyard
  • Vang
  • Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)

Materials:

  • Acetal ball bearings
  • UV stabilised Acetal sheave
  • Grade 316 stainless steel load strap and head fitting
  • Impact and UV resistant, fiber reinforced Nylon cheeks
Truck Freight: No
Oversized: No
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