Antal Mekton Sheave for OPF Block 60 mm
A genuine Antal replacement sheave for the OPF (One-Piece Frame) block range. The 60 mm Mekton (fibre-reinforced resin) sheave runs on side Delrin® ball bearings with a composite fibre radial bearing and a ground stainless-steel hub, delivering smooth, low-friction performance without lubrication. A quick, lightweight refresh for OPF singles, doubles and pad-eye blocks on cruising and performance yachts.
Why it’s a smart upgrade
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Low friction in a compact package thanks to Delrin® side balls and composite radial bearing
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Light, tough Mekton resin sheave with stainless hub for long service life
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Drop-in fit for OPF bodies to restore like-new efficiency
Key specifications
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Sheave Ø: 60 mm
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Max rope Ø: 12 mm
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Safe Working Load (SWL): 800 kg
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Thickness (T): 16 mm
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Axle/bore Ø (D3): 12 mm
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Hub Ø (D2): 15 mm
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Sheave material: Mekton (resin)
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Bearings: Composite fibre (radial) + Delrin® balls (side)
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Supplied with: Stainless-steel hub
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Weight: ~46 g
Typical applications
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Refurbishing Antal OPF 60 mm single/double blocks and pad-eye variants
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Compact turning points for vangs, travellers and mast-base organisers (within stated SWL)
Fit & compatibility notes
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Confirm your block’s sheave Ø (60 mm), axle/bore Ø (12 mm) and thickness (16 mm) before ordering
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Designed for rope up to 12 mm; not suitable for wire or rod
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