A decelerating clutch of a washing machine, comprising: a bearing seat , at least one pair of bearings (4; 5), an input shaft , an output shaft , and an output shaft sleeve , wherein the input shaft and the output shaft are arranged coaxially, the output shaft sleeve is sleeved on the input shaft and the output shaft , the output shaft sleeve is configured to rotate relative to the input shaft , and the output shaft sleeve is connected with the input shaft in a transmission manner via a planetary gear train (6; 7; 8), characterized in that the output shaft sleeve is installed on the bearing seat via the pair of bearings (4; 5), comprising a first bearing and a second bearing , wherein the first and second bearings (4; 5) are correspondingly arranged at two ends of the output shaft sleeve , and wherein the bearing seat and the output shaft sleeve are respectively provided with locating structures (9; 13; 14; 31) for being coordinated with the first and second bearings (4; 5) and the locating structures (9; 13; 14; 31) are configured to axially limit movement of the output shaft sleeve relative to the bearing seat by means of two first locating structures (9; 31) that are arranged on the output shaft sleeve , and are respectively arranged at different sides of the first and second bearings (4; 5) and two second locating structures (13; 14) that are arranged on the bearing seat , and are arranged at another side of the first and second bearings (4; 5) with respect to the two first locating structures (9; 31) on the output shaft sleeve to limit axial movement of the first and second bearings (4; 5) in a manner that the first bearing is coordinated with one of said second locating structures of the bearing seat , to limit movement of the first bearing towards the second bearing while the second bearing is coordinated with one other of said second locating structures of the bearing seat , to limit movement of the second bearing towards the first bearing . wherein the input shaft and the output shaft are arranged coaxially, the output shaft sleeve is sleeved on the input shaft and the output shaft , the output shaft sleeve is configured to rotate relative to the input shaft , and the output shaft sleeve is connected with the input shaft in a transmission manner via a planetary gear train (6; 7; 8), characterized in that the output shaft sleeve is installed on the bearing seat via the pair of bearings (4; 5), comprising a first bearing and a second bearing , wherein the first and second bearings (4; 5) are correspondingly arranged at two ends of the output shaft sleeve , and wherein the bearing seat and the output shaft sleeve are respectively provided with locating structures (9; 13; 14; 31) for being coordinated with the first and second bearings (4; 5) and the locating structures (9; 13; 14; 31) are configured to axially limit movement of the output shaft sleeve relative to the bearing seat by means of two first locating structures (9; 31) that are arranged on the output shaft sleeve , and are respectively arranged at different sides of the first and second bearings (4; 5) and two second locating structures (13; 14) that are arranged on the bearing seat , and are arranged at another side of the first and second bearings (4; 5) with respect to the two first locating structures (9; 31) on the output shaft sleeve to limit axial movement of the first and second bearings (4; 5) in a manner that the first bearing is coordinated with one of said second locating structures of the bearing seat , to limit movement of the first bearing towards the second bearing while the second bearing is coordinated with one other of said second locating structures of the bearing seat , to limit movement of the second bearing towards the first bearing . <EOS>