Antal Roller Bearing Sheave Looper 100 mm
A genuine Antal replacement sheave designed for the Looper block series. The 100 mm aluminium wheel runs on a high-efficiency roller bearing for ultra-low friction under heavy loads, restoring like-new performance to tired Looper blocks. A ground stainless-steel hub and hard-anodised sheave ensure long service life with minimal maintenance.
Why it’s a smart upgrade
- Roller bearing core for excellent efficiency at high loads
- Hard-anodised aluminium sheave and stainless hub for durability
- Direct, drop-in fit for Antal Looper bodies
Key specifications
- Sheave Ø: 100 mm
- Max rope Ø: 16 mm
- Safe Working Load (SWL): 3,200 kg
- Thickness (T): 21 mm
- Axle/bore Ø (D3): 20 mm
- Hub Ø (D2): 25 mm
- Sheave material: Aluminium
- Bearing type: Roller
- Weight: ~265 g
Typical applications
- Refurbishing Antal Looper 100 blocks (single or with becket)
- High-load turning points for mainsheets, genoa sheets and cascading tackles (within stated SWL)
Fit & compatibility notes
- Confirm your block’s sheave Ø (100 mm), axle/bore Ø (20 mm) and thickness (21 mm) before ordering
- Designed for rope up to 16 mm; not suitable for wire or rod
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Specifications
| Width (mm) | 21 |
| Recommended line - Max Ø (mm) | 16 |
| Inside Ø (mm) | 20 |
| Material | Aluminium |
| Sheave Ø (mm) | 100 |
| SWL (kg) | 3200 |
| Weight (g) | 265 |
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