| 摘要 |
PROBLEM TO BE SOLVED: To provide a bearing for a cleaner motor capable of minimizing a change of an axial relative movement amount of an outer ring due to an internal clearance of the bearing, a change of an outer diameter dimension of an inner ring, and variation of a contact pressure of a seal member by a change of an inner diameter dimension of the seal member, and reducing variation of suction efficiency of a cleaner.SOLUTION: A bearing for a cleaner motor includes: an outer ring; an inner ring 12; a plurality of rolling elements rollably disposed between the outer ring and the inner ring 12; and a seal member 20 which is mounted on the outer ring and is brought into contact with the inner ring 12. The seal member 20 includes a seal lip 23 which radially comes in contact with an outer peripheral face of the inner ring 12. The seal lip 23 includes: an upper lip 23a extended to a radial inner side and an axial inner side from an inner peripheral edge of a core metal 21 of the seal member 20; and a lower lip 23b extended to a radial inner side and an axial outer side from an inner peripheral edge of the upper lip 23a. A contact angle α of the seal lip 23 formed by a lower face of the upper lip 23a and an upper face of the lower lip 23b is set to be 50°-60°.SELECTED DRAWING: Figure 2 |
