80mm Single Swivel Block - Roller Bearing

RRP £587.84


Low resistance at high, dynamic loads is the main characteristic of Seldén Roller Bearing Blocks (RBB). The ability to easily release a highly loaded backstay tackle, a main sheet, a spinnaker halyard or a kicker tackle makes for fast, safe and uncomplicated manoeuvres.

Designed for high load, dynamic applications. Machined, black anodised aluminium cheeks and Torlon® roller bearings. PA washer insulates stainless from aluminium to  prevent corrosion. The shackle features a Ø 8 mm body and Ø 10 mm pin, a strong and lightweight combination. The swivel pin is hollow and chamfered to reduce  weight. Acetal ball bearing stabilize the sheave when  subjected to side loads.



  • S.W.L (Kg): 2500
  • Break Load (Kg): 5000
  • Weight (g): 417
  • Rope Ø (mm): 14


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