Clutch outer sleeve assembly, overrunning clutch and speed reducer

The invention provides a clutch outer sleeve assembly, an overrunning clutch and a speed reducer. The clutch outer sleeve assembly is used for being combined with an eccentric roller assembly and a clutch inner sleeve to form the overrunning clutch. The eccentric roller assembly is sleeved on the clutch inner sleeve. The clutch outer sleeve assembly comprises a clutch outer sleeve used for being sleeved on the eccentric roller assembly, an output shaft located in the clutch outer sleeve in the circumferential and radial directions and a locating assembly matched with a locating part on the clutch outer sleeve to conduct axial locating on the output shaft. The locating part is provided with a plurality of locating points which are arranged in the circumferential direction of the clutch outer sleeve at intervals. The locating assembly is matched with the different locating points on the locating part to adjust the unbalance amount of the clutch outer sleeve assembly. The clutch outer sleeve assembly provided by