Patent ID: 6876111

Claim:
A dynamoelectric machine comprising: a pair of brackets each having a bearing housing of a bottomed cylindrical configuration arranged with their openings directed to an inner side; a pair of bearings each having a cylindrical outer ring and a cylindrical inner ring with rolling members interposed therebetween, said bearings being received in said brackets, respectively, with the rotation of said outer rings being restricted; a rotor having a shaft rotatably supported by said brackets through said bearings, with said shaft being press-fitted at opposite ends thereof into said inner rings; and a resin case interposed between one of said bearing housings and an associated one of said outer rings of said bearings, wherein said resin case is formed in the shape of a cylinder so as to cover the entire axial length of said associated outer ring, said resin case having a slit formed therein so as to extend in an axial direction from one axial end of said resin case to the other axial end thereof; and wherein said resin case is press-fitted into said associated bearing housing with said one axial end thereof being positioned at an opening side of said associated bearing housing, one of said bearings being press-fitted into said resin case.