![Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head [RF40300]](http://costamarinepr.com/cdn/shop/files/70618XL.jpg?v=1745365889&width=120)
Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head [RF40300]
![Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head [RF40300]](http://costamarinepr.com/cdn/shop/files/70618XL.jpg?v=1745365889&width=3840)
Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head [RF40300]
Product Details
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
Care & Maintenance
To maintain the beauty and integrity of your purchase, we recommend treating it with care. Simple maintenance practices, such as gentle washing and proper storage, can effectively preserve the longevity of your favorites. We encourage you to refer to the care instructions included with each item, designed to help you keep your purchase in top condition.
Size & Fit
Our products are crafted to fit true to size, ensuring that you can confidently select your usual size with ease. Whether you’re looking for a relaxed or tailored fit, our designs are made to complement your unique shape and style.