SUB-ASSEMBLY FOR MOUNTING A GUIDE BEARING OF A COMPRESSOR SHAFT

摘要

The invention relates to a sub-assembly of a turbine engine (10) comprising a shaft (30), a bearing (42) for guiding an axial end (40) of the shaft (30), a nut (56) which is screw-connected to the end of the shaft (40) and a member for blocking the rotation of (74) the nut (56) in relation to the end of the shaft (40), wherein the member for blocking (74) the nut (56) comprises a first section (76) bearing a plurality of flexible tabs (78), one end (78A) of each tab (78) of which cooperates with a radially inner annular wall (62) of the end of the shaft (40) and comprises a second section (80) which cooperates with the nut (56), characterised in that the second section (80) of the blocking member (74) is screw-connected to the nut (56) and the features of the thread between the blocking member (74) and the nut (56) are different from the features of the thread between the nut (56) and the end of the shaft (40).