Bearing assembly and motor including the same

A bearing assembly comprising:

• a bearing seat including a chamber, a shaft-coupling hole and a shaft hole, wherein the shaft-coupling hole and the shaft hole intercommunicate with the chamber, and wherein the bearing seat has a slit which is adjustable;
• at least one bearing received in the chamber;
• a shaft extending through the shaft hole and the at least one bearing and including at least one abutment portion, and wherein the at least one bearing abuts the at least one abutment portion;
• and
• a cover coupled with the bearing seat,
• wherein the at least one bearing includes an upper bearing relatively distant to the cover and a lower bearing relatively adjacent to the cover, wherein each of the upper and lower bearings includes an inner race and an outer race, and wherein an elastic member is disposed between the cover and the outer race of the lower bearing,
• wherein the shaft includes an expansion portion, wherein the expansion portion has an end forming an upper abutment portion and another end forming a lower abutment portion, wherein the inner race of the upper bearing abuts the upper abutment portion, wherein the outer race of the upper bearing abuts an inner periphery of the bearing seat delimiting the chamber, wherein the inner race of the lower bearing abuts the lower abutment portion, and wherein the outer race of the lower bearing abuts the elastic member.