Description
Ronstan Series 50 Double Block (Non-Locking) – RF50200:
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.
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) | - |
