Series 75 Core Block, Halyard RF74108

Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads.
In stock
€102.95 €102.95
Ronstan Series 75 Core Block, Halyard

Sheave Ø 75 mm
Max. Rope Ø 14 mm
Max. Cable Ø - mm
Pin Ø 8 mm
M.W.L. 1500 kg
B. L. 3000 kg
Weight 234 g

• Class leading performance and sleek, contemporary styling
• Excellent dynamic and high static load performance
• Less than half the friction of the nearest competitor
• Suits direct attachment to mainsail headboard for 2:1 halyard
• Removable 8mm (5/16”) screw pin at head
• Acetal roller on head pin to suit spliced line attachment
• Alloy Rope/Wire sheave version also available
• Central hub hole can be used as a becket take-off or tie-up point

• 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.

• Sheave: U.V. stabilised acetal or anodised aluminium (AW models).
• Cheek plates: Aluminium alloy
• Ball Bearings: High compression strength carbon black acetal.
• Pin: 2205 stainless steel

More Information
Series Series 75 Core
Number of sheaves 1
Bearing Plain bearing
Max rope diameter 14 mm
Swivel No
Cam No
Ratchet No
Breaking Strength (kg) 3000
Safe Working Load (kg) 1500

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