Ronstan Series 75 Ball Bearing Single Core Block – Universal Head (RF74100)

Features

• Class leading performance and sleek, contemporary styling
• Excellent dynamic and high static load performance
• Less than half the friction of the nearest competitor
• Universal head with full 3-axis articulation
• Head posts can be locked at 0 or 90 degrees, by using a 2.5mm Hex Key
• Alloy Rope / Wire sheave version also available, special order only
• Central hub hole can be used as a becket take-off or tie-up point, Max 13.5mm line

Applications

• Ideal for use on mainsheet, spinnaker sheet, vang, halyard and backstay applications on boats up to 14m (46ft)
• General applications on larger yachts
• Alloy sheave models are available for use with wire

Materials

• Sheave: U.V. stabilised acetal or anodised aluminium (AW models)
• Cheek plates: Aluminium alloy
• Ball Bearings: High compression strength carbon black acetal
• Shackle, post & hub: Grade 316 stainless steel

Specifications

• Sheave : 75 mm
• Max. Rope : 14 mm
• Max. Cable : NA
• Pin : 8 mm
• MWL: 1500 kg
• BL: 3000 kg
• Weight: 354 g