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allowing the block to run free more of the time
which is no easy feat to manufacture
This feature allows for increased visibility and collision avoidance
catamarans and small keelboats
constructions
Ronstan Series 40 Ball Bearing Block - Single - Loop Top Boat Etchells allowing the block to runSeries 40 Ball Bearing Block Single Loop Top Features: Low friction Acetal or Torlon bearing system Lightweight Cheek cut outs for easy bearing maintenance Low friction, 2 stage ball bearing system High static and dynamic load capacity Lightweight Cheek cut outs for easy bearing maintenance Sheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the
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