Crankshaft bearing C4 in top quality from NTN, suitable for Hercules Prima Presto, Prima Pronto, Prima GT, Prima GX, Supra 5 GP with Sachs engine type 506 as well as Hercules L 50 City Bike, C1, MF 1 moped with Sachs engine type 502. Bearings from SKF, NTN, NSK, and FAG are recommended due to their high quality, which is also used in engine overhauls.







