Ronstan Series 40 BB Single Orbit Block – Becket, Swivel Shackle Head

Ronstan Series 40 Ball Bearing Single Orbit Block – Becket, Swivel Shackle Head – RF45110

• Ultra lightweight
• Low friction 2-stage Orbital ball bearing system
• Highest working load in its class
• Low profile and compact
• High performance cleating
• Swivel shackle head for unlimited block rotation.
• Stainless steel shackle head and compatibility with sharp fixing points.
• Ultra low profile integrated becket

Applications

• Mainsheet systems on spinnaker sheet on dinghies to 5m (16ft)
• Spinnaker sheets on dinghies, sportsboats and small keel boats to 5m (16ft)
• Halyard, vang and backstay applications on boats to 8m (26ft)
• Control line applications on larger yachts
• Ideal use for mainsheet systems and spinnaker sheets on dinghies, sportsboats and small keelboats to 8m(26ft)
• Also with halyard, vang and backstay applications on boats to 8m (26ft)
• Control line applications on larger yachts

Materials

• Ball Bearings: High compression strength carbon black Acetal
• Stage 2 Bearing: Glass fibre reinforced, MoS2 impregnated Nylon
• Frame / Cheeks: Toughened, glass fibre reinforced Nylon
• Sheave: Carbon fibre reinforced, PTFE impregnated Nylon
• Sheave: Carbon fibre reinforced, PTFE impregnated Nylon
• Head fitting: Grade 316 stainless steel
• Ball Bearings: High compression strength carbon black Acetal
• Stage 2 Bearing: Glass fibre reinforced, MoS2 impregnated Nylon

Specifications

• Sheave Ø: 40 mm
• Max. Rope Ø: 9 mm
• Max. Cable Ø: – mm
• Pin Ø: 4 mm
• MWL: 325 kg
• BL: 650 kg
• Weight: 44 g