| 摘要 |
In the present invention there is disclosed a rotating disk data storage device, comprising: a disk (101) drive base (104); at least one disk (101) for recording data, said disk being rotatably mounted on said base (104) for rotation about a disk axis; a bearing assembly for a pivotable actuator (105, said pivotable actuator (105) pivoting about an actuator (105) axis (106), said bearing assembly comprising: (a) a first freely rotating ball (201) and a second freely rotating ball (202), said balls (201, 202) being centered on said actuator (105) axis (106) and axially separated; (b) a first stationary actuator (105) mounting (222), said first mounting (222) having a first concave bearing surface (211) centered about said actuator (105) axis (106) and in contact with said first ball (201); (c) a second stationary actuator (105) mounting (223), said second mounting (223) having a second concave bearing surface (210) centered about said actuator (105) axis (106) and in contact with said s |
