Antal Roller Bearing Sheave OPF 80 mm
A genuine Antal replacement sheave for the OPF (One-Piece Frame) block range. The 80 mm hard-anodised aluminium wheel runs on a high-efficiency roller bearing with self-captive side balls, delivering ultra-low friction under load with minimal maintenance. A ground stainless-steel hub ensures precise alignment and long service life when refreshing well-used OPF blocks.
Why it’s a smart upgrade
- Roller bearing core for excellent efficiency at working loads
- Hard-anodised aluminium sheave with stainless hub for durability
- Direct, drop-in fit for OPF bodies to restore like-new performance
Key specifications
- Sheave Ø: 80 mm
- Max rope Ø: 14 mm
- Safe Working Load (SWL): 2,000 kg
- Thickness (T): 19 mm
- Sheave material: Aluminium
- Bearing type: Roller (+ side balls)
Typical applications
- Refurbishing Antal OPF 80 mm single/double and pad-eye variants
- High-load turning points for mainsheets, genoa sheets and cascade tackles (within stated SWL)
Fit & compatibility notes
- Confirm your block’s sheave Ø (80 mm) and thickness (19 mm) before ordering
- Designed for rope up to 14 mm; not suitable for wire or rod
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Spécifications
| Width (mm) | 19 |
| Cordage recommandé – Ø Max (mm) | 14 |
| Ø Intérieur (mm) | 16 |
| Matériau | Aluminum |
| Ø réas (mm) | 80 |
| Charge de travail (kg) | 2000 |
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