Ronstan Series 20 Double Block With 2 Axis Shackle Head
Description
Ronstan series 20 ball bearing double block. Shackle can be fitted in either of two planes to allow correct alignment of the block.
Precision moulded Acetal sheaves running on stainless steel ball bearings provide high performance & low friction. They are typically used as lead blocks or to create powerful, efficient purchase systems.
Can be fitted with a shackle in either of two planes to allow correct alignment of the block. RORF1850S required to go through 3.5mm holes in loop head
Applications
- Dinghy control lines
- Dinghy vangs
- Cunninghams
- Traveller controls
Materials
- Stainless steel ball bearings
- UV stabilised Acetal sheave
- Grade 316 stainless steel load strap and head fitting
- Impact and UV resistant, fibre reinforced Nylon cheeks
Features
- Low friction
- High static and dynamic load capacity
- Lightweight
| SKU | RORF20202 |
|---|---|
| Weight | 42g |
| Attachment Method | Fixed Head, Removable Head, Shackle |
| Bearing Type | Ball Bearing |
| Block Type | Double |
| Sheave Diameter (mm) | 20.00 |
| Max Rope Width (mm) | 6.00 |
| Max Working Load (kg) | 350 |
| Breaking Load (kg) | 700 |
| Length (mm) | 58 |
| Pin Diameter (mm) | 4 |
Important Note - Break Loads
Where break and safe working loads are stated, it is assumed that all sheaves are evenly loaded as in purchase tackle. Uneven loading, or loading of one sheave in a double or triple block, will severely effect strength quoted. If unsure, please seek further advice.
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