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. These linked blocks are ideal for barber haulers and spinnaker pole launching systems.
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Spécifications
| Bearing type | Ball bearing |
| Bearing material | Acetal |
| Cordage recommandé – Ø Max (mm) | 8 + 6 |
| Ø réas (mm) | 30 + 20 |
| Sideplate material | Nylon |
| Winch | Non |
| Sheave material | UV stabilised acetal |
| Charge de travail (kg) | 250 |
| Charge de rupture (kg) | 550 |
| Poids (g) | 44 |
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