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Ronstan Series 40 Ball Bearing Block – Single – Universal Head

Series 40 Ball Bearing Block – Single – Universal HeadSheaves 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 systemLightweightCheek cut-outs for easy bearing maintenanceCaptive Lock universal headSlotted pin shackle eliminates fouled linesApplications:MainsheetHalyardVangSpinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8M(26′)Materials:U.V. Stabilized Acetal sheavesAcetal ball bearingsImpact and U.V. resistant, fiber reinforced Nylon cheeksGrade 316 stainless steel load strap and head fittingSpecifications:Sheave Ø:40mm(1-9/16)Max. Rope Ø:10mm(7/16)Pin Ø: 5mm(3/16)M.W.L.:350kg(770lbs)B. L.:1,000kg(2,200lbs)Weight:70g(2.5oz)

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