Ronstan's Series 30 Ball Bearing Utility Blocks are a range of lightweight blocks with high static and dynamic load capacities and versatile head fittings. They feature precision-moulded, UV-stabilised acetal sheaves running on acetal ball bearings to give high performance and low friction. The 2-stage ball bearing system provides consistent performance over the full load range. They are ideal for primary lead blocks on dinghies and catamarans and control lines on larger yachts.
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Spécifications
| Bearing type | Ball bearing |
| Bearing material | Stainless steel |
| Cordage recommandé – Ø Max (mm) | 8 |
| Ø réas (mm) | 30 |
| Sideplate material | Acier inoxydable |
| Winch | Non |
| Sheave material | UV stabilised acetal |
| Charge de travail (kg) | 300 |
| Charge de rupture (kg) | 650 |
| Poids (g) | 50 |
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