Ronstan Series 45 BB Single Core Block with Swivel Shackle

Description

Ronstan RF44100 Series 45 Ball Bearing Single Core Block – Swivel Shackle Head

• High dynamic and static load capacity
• Efficient 2-stage bearing system
• Ball bearings to counteract side thrust loads
• Class leading performance and sleek, contemporary styling
• Durable aluminium alloy cheek plates
• Central hub can be used as a becket take-off or tie-up point, max 11.5mm line

Applications

• Ideal for mainsheet, halyard and spinnaker sheet applications on boats to 10 m (33 ft)
• Various control line applications on larger yachts
• Alloy sheave models are available for use with wire

Materials

• Sheave: UV stabilised Acetal
• Cheek body: Aluminium Alloy
• Ball Bearings: High compression strength carbon black acetal
• Shackle, head post & hub: Grade 316 stainless steel

Specifications

• Sheave Ø: 45 mm
• Max Rope Ø: 12 mm
• Max Cable Ø: –
• Pin Ø: 5 mm
• MWL: 700 kg
• BL: 1400 kg
• Weight: 104 g

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