| 摘要 |
PROBLEM TO BE SOLVED: To provide a bearing device and a spindle device, in which a favorable condition of grease lubrication can be maintained by conducting a stable grease supply and a bearing lifetime can be prolonged. SOLUTION: The bearing device 10 comprises a rolling bearing 12 lubricated with grease, a housing 11 fitted on the outside of the bearing 12, and a grease- supply mechanism 70 for supplying grease in the clearance of the bearing 12. Grease-discharge spaces 19, 22 are provided on both sides in the axial direction of the bearing space. COPYRIGHT: (C)2003,JPO
|
