Description
Ronstan Series 75 Ball Bearing Double Foot Core Block – RF74251
- Class leading performance and sleek, contemporary styling
- Excellent dynamic and high static load performance
- Less than half the friction of the nearest competitor
Applications
- Ideal for use on mainsheet, spinnaker sheet, vang, halyard and backstay applications on boats up to 14 m (46 ft)
- General applications on larger yachts
Materials
- Sheave: UV stabilised acetal
- Cheek plates: Aluminium alloy
- Ball Bearings: High compression strength carbon black acetal
Specifications
- Sheave Dia: 75 mm
- Max. Rope Dia: 14 mm
- Max. Cable Dia: –
- Pin Dia: –
- MWL: 1500 kg *
- BL: 3000 kg *
- Weight: 530 g
- Requires 2 x 10 mm fasteners
* Total block load. Maximum load on top sheave not to exceed 50% of total block load






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