Low friction High static and dynamic load capacity Lightweight. Sheave : Ø20 mm Max. Rope :Ø6mm Max. Cable : Ø -mm Pin : Ø -mm M.W.L.: 250 kg B. L. : 550 kgRonstan Ball Bearing Blocks Series 20mmSKU: RF20101RM52.00PriceQuantityAdd to Cart