Ronstan Series 40 Ball Bearing Block - Single - Stand Up

Series 40 Ball Bearing Block - Single - Stand UpSheaves 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™ universal head High static and dynamic load capacity Applications: Mainsheet Halyard Vang Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8M(26') Materials: U.V. Stabilized Acetal sheaves Acetal ball bearings Impact and U.V. resistant, fiber reinforced Nylon cheeks Grade 316 stainless steel load strap and head fitting Specifications:Sheave Ø: 40mm(1-9/16")Max. Rope Ø: 10mm(7/16")M.W.L.: 350kg(770lbs)B. L.: 800kg(1,7600lbs)Weight: 71g(2.5oz)