
Ronstan
Ronstan RF15000 15mm Ball Bearing Acetal Sheave
The Ronstan RF15000 15mm Ball Bearing Sheave is a compact, high-performance component designed for custom sailing hardware applications. Made from UV-stabilised acetal with stainless steel ball bearings, it offers excellent strength, low friction, and long-lasting durability in marine environments.
Perfect for replacing worn sheaves or building bespoke pulley systems, the RF15000 is ideal for use in dinghies and small keelboats where precision and smooth operation are essential. Its lightweight and compact design ensures seamless integration into custom blocks, fairleads, or internal deck hardware.
✅ Key Features
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Sheave Diameter: 15mm
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Rope Size Suitability: Up to 4mm
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Bearing Type: Stainless steel ball bearings for smooth rotation
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Material: UV-resistant acetal
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Breaking Load: 300kg
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Working Load Limit: 150kg
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Use Case: Sheave replacement, custom rigging systems, internal blocks
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Brand: Ronstan – trusted sailing components for precision performance