RF30101%3A%20SERIES%2030%20BALL%20BEARING%20BLOCK%2C%20LOOP%20TOPSingle%2C%20loop%20head%0D%0AFEATURES%0D%0A%0D%0ALow%20friction%202-stage%20ball%20bearing%20system%20provides%20consistent%20performance%20over%20the%20full%20working%20load%20range%0D%0AHigh%20static%20and%20dynamic%20load%20capacity.%0D%0ALight%20weight.%0D%0AVersatile%20head%20fittings%0D%0A%0D%0ASPECIFICATIONS%0D%0A%0D%0ASheave%20diameter%20(mm)%2030%0D%0AB.L.%20(kg)%20750%0D%0AM.W.L.%20(kg)%20300%0D%0AMax.%20Rope%20diameter%20(mm)%208%0D%0AWeight%20(g)%2028%0D%0AA%20(mm)%2031.0%0D%0AB%20(mm)%205.0%0D%0AC%20(mm)%2040.0%0D%0AD%20(mm)%2035.0%0D%0A%0D%0APRODUCT%20INFORMATION%0D%0A%0D%0ASheaves%20running%20on%20Acetal%20or%20Torlon%26reg%3B%20ball%20bearings%20provide%20high%20performance%20%26amp%3B%20low%20friction.%0D%0AThe%202-stage%20ball%20bearing%20system%20provides%20consistent%20performance%20over%20the%20full%20load%20range.%0D%0ACan%20be%20fitted%20with%20a%20shackle%20in%20either%20of%20two%20planes%20to%20allow%20correct%20alignment%20of%20the%20block.%0D%0A%0D%0AMATERIALS%0D%0A%0D%0AU.V.%20stabilised%20Acetal%20sheaves%0D%0AAcetal%20ball%20bearings%0D%0AImpact%20modified%2C%20fibre%20reinforced%20and%20U.V.%20stabilised%20Nylon%20cheeks%0D%0AGrade%20316%20stainless%20steel%20load%20straps%20and%20head%20fittings%0D%0A%0D%0A%26nbsp%3B