Ronstan Series 40 Ball Bearing Block - Single - Universal Head [RF40100] Marine Plumbing & Ventilation | Fittings Twin-fin design gives a more

Twin-fin design gives a more stable True Wind Direction (TWD)

Linear drive for mechancically steered vessels up to 22

Stunning Detail & Clarity

Input voltage range (max

Network/15ft

Ronstan Series 40 Ball Bearing Block - Single - Universal Head [RF40100] Marine Plumbing & Ventilation | Fittings Twin-fin design gives a moreSeries 40 Ball Bearing Block Single Universal Head Sheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the full load range. Captive Lock universal head can be fixed in either of two planes, or free to swivel as required. Features: Low friction Acetal or Torlon bearing system Lightweight Cheek cut outs for easy bearing maintenance Captive Lock