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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Specifications
| Ropes | |
|---|---|
| Recommended line - Max Ø (mm) | 8 + 6 |
| Boat |
|---|
| Load | |
|---|---|
| SWL (kg) | 250 |
| NBL (kg) | 550 |
| Blocks | |
|---|---|
| Bearing material | Acetal |
| Bearing type | Ball bearing |
| Sheave material | UV stabilised acetal |
| Sideplate material | Nylon |
| Ratchet | No |
| Dimensions | |
|---|---|
| Sheave Ø (mm) | 30 + 20 |
| Furling |
|---|
| Weight | |
|---|---|
| Weight (g) | 44 |
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