Description
Ronstan RF74108A Series 75 Ball Bearing Mast Base Core Block – Clevis Pin Head
- Class leading performance and sleek, contemporary styling
- Excellent dynamic and high static load performance
- Less than half the friction of the nearest competitor
- Suits attachment to 14 mm (9/16”) wide mast collar post
- Removable 8 mm (5/16”) clevis pin at head
- Central hub hole can be used as a becket take-off or tie-up point
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
- Pin: 2205 stainless steel
Specifications
- Sheave Ø: 75 mm
- Max Rope Ø: 14 mm
- Max Cable Ø: –
- Pin Ø: 8 mm
- MWL: 1500 kg *
- BL: 3000 kg *
- Weight: 72 g
* Full block rated load can only be achieved with uniformly distributed load cross full length of clevis pin ie. 14 mm (9/16″) diameter mast collar post of 14 mm (9/16″)wide mast collar plate/tang
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