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
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Roller bearing core for excellent efficiency at high loads
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Hard-anodised aluminium sheave and stainless hub for durability
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Direct, drop-in fit for Antal Looper bodies
Key specifications
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Sheave Ø: 100 mm
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Max rope Ø: 16 mm
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Safe Working Load (SWL): 3,200 kg
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Thickness (T): 21 mm
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Axle/bore Ø (D3): 20 mm
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Hub Ø (D2): 25 mm
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Sheave material: Aluminium
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Bearing type: Roller
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Weight: ~265 g
Typical applications
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Refurbishing Antal Looper 100 blocks (single or with becket)
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High-load turning points for mainsheets, genoa sheets and cascading tackles (within stated SWL)
Fit & compatibility notes
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Confirm your block’s sheave Ø (100 mm), axle/bore Ø (20 mm) and thickness (21 mm) before ordering
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Designed for rope up to 16 mm; not suitable for wire or rod
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