Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head [RF40300]

Description

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
Product form

Series 40 Ball Bearing Block - Triple - Swivel HeadFeatures: Low friction Acetal or Torlon® bearing system Lightweight Cheek cut-outs... Read more

SKU: CWR-70618
Barcode: 9316800255351

8 in stock

$107.69$91.54

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    • Shipped today? Order within: Jul 21, 2026 15:00:00 -0400

    Description

    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

    Reviews

    Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head [RF40300]

    Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head [RF40300]

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