RONSTAN SERIES 40 BB BLOCK SINGLE RF40100

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( 2.5 oz)