We will be closed for the Christmas and New Year holidays from Dec. 22nd, 2025, to Jan. 6th, 2026. Orders placed after December 17th, 2025 will be shipped starting January 12th, 2026.
Ronstan
S40 BB Block,Double
S40 BB BLOCK,DOUBLE
Special Price
58.23€
was
60.03€
On Request
SKU
RF40200
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
PRODUCT INFORMATION
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
- Mainsheet
- Halyard
- Vang
- Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)
TECHNICAL DATA
| Sheave Ø | 40 mm |
|---|---|
| Max. Rope Ø | 10 mm |
| Max. Cable Ø | mm |
| Pin Ø | mm |
| M.W.L. | 500 kg |
| B. L. | 1200 kg |
| Weight | 134 g |