RF40140 Series 40 Ball Bearing Stand-Up Block Single sheave stand-up block, includes saddle and spring. FEATURES Low friction Acetal bearing system. Lightweight. Cheek cut-outs for easy bearing maintenance. Captive Lock™ universal head. Low friction, 2-stage ball bearing system. High static and dynamic load capacity. Lightweight. Cheek cut-outs for easy bearing maintenance. SPECIFICATIONS Product Specifications B.L. (kg) 800 M.W.L. (kg) 350 Max. Rope diameter (mm) 10 Weight (g) 71 Fastener Ø (mm) 5 Qty. Fasteners 2 Product Information Sheaves running on Acetal 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 TECHNICAL INFORMATION APPLICATIONS Mainsheet. Halyard. Vang. Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft) MATERIALS Acetal ball bearings. UV stabilised Acetal sheave. Grade 316 stainless steel load strap and head fitting. Impact and UV resistant, fibre reinforced Nylon cheeks
