Ronstan's Series 20 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 stainless steel ball bearings to give high performance and low friction. They are ideal for Dinghy control lines and vangs, cunninghams and traveller controls.
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Spezifikationen
| Bearing type | Ball bearing |
| Bearing material | Stainless steel |
| Empfohlener max. Leinendurchmesser (mm) | 6 |
| Scheibe Ø (mm) | 20 |
| Sideplate material | Nylon |
| Ratsche | Nein |
| Sheave material | UV stabilised acetal |
| SWL (kg) | 250 |
| NBL (kg) | 550 |
| Gewicht (g) | 20 |
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