Centering device for steering valve, with needle bearing between drive shaft and valve bush

摘要

The centering device has a needle bearing (16) between the drive shaft (5) and the valve bush (12), the outer bearing ring (17) of which is in the form of a thin-walled shell with an elastically yielding bulge in the running track in at least one sector of the circumference. there are angled-surface grooves in this sector and also in a corresponding sector of the drive shaft.