Description
Ronstan Series 50 Fiddle Becket Block with Adjustment Cleat – RF50530:
Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range. Captive Lock universal head can be fixed in either of two planes, or free to swivel as required. Becket pin is removeable so line can be spliced prior to fitting and is ingeniously locked into position without the use of a clevis pin, split ring or tools. Quick adjusting cleat arms require no tools to adjust and fix securely in position.
Features:
- Low friction, 2-stage ball bearing system.
- High static and dynamic load capacity.
- Lightweight.
- Cheek cut-outs for easy bearing maintenance.
Application:
- Mainsheet.
- Spinnaker sheets.
- Halyards and other primary applications on boats up to 10m (33ft).
Materials:
- Acetal ball bearings.
- UV stabilised Acetal sheave.
- Grade 316 stainless steel load strap and head fitting.
- Impact and UV resistant, fibre reinforced Nylon cheeks.
| Product No | Max Rope Dia mm (in) | Sheave Dia mm (in) | Max Working Load g (lb) | Beak Load kg (lb) | Weight g (oz) | Pin Dia mm (in) | Fasteners mm (in) |
|---|---|---|---|---|---|---|---|
| RF50101 | 12 (1/2) | 50 (2) | 500 (1100) | 1500 (3310) | 97 (3.4) | - | - |
| RF50100 | 12 (1/2) | 50 (2) | 500 (1100) | 1500 (3310) | 117 (4.1) | 5 (3/16) | - |
| RF50110 | 12 (1/2) | 50 (2) | 500 (1100) | 1500 (3310) | 133 (4.7) | 5 (3/16) | - |
| RF50171 | 12 (1/2) | 50 (2) | 500 (1100) | 1500 (3310) | 116 (4.1) | - | 6 (1/4) |
| RF50200 | 12 (1/2) | 50 (2) | 800 (1760) | 2000 (4410) | 254 (9) | 6 (1/4) | - |
| RF50500 | 10 (3/8) | 54 + 34 (2 1/8 + 1 5/16) | 500 (1100) | 1500 (3310) | 166 (5.9) | 5 (3/16) | - |
| RF50530 | 10 (3/8) | 54 + 34 (2 1/8 + 1 5/16) | 500 (1100) | 1500 (3310) | 334 (11.8) | 5 (3/16) | - |
