Magnetic head gimbal assembly and magnetic disk unit

A magnetic disk unit comprising:

• a magnetic disk attached to a spindle so as to be rotatable;
• a slider, having a length and a width, which has a first pad, having a magnetic head for reading/writing data onto/from said magnetic disk located substantially in the center of said slider width, and second pads;
• a suspension to provide said slider with a predetermined load, a load point on said suspension positioned a distance from a leading edge of said slider which is substantially 0.42 times said length of said slider, said load point matching a center of impact;
• a gimbal coupled to said suspension;
• and
• an actuator arm, to position said slider on the magnetic disk, attached to said suspension,
• wherein the second pads are separated from the magnetic disk to fly thereabove by an air flow caused by rotation of the magnetic disk, and when the slider is seek-positioned on a certain track on the magnetic disk by the actuator arm via the suspension, a frictional force exerted between said slider and said disk is smaller than a product of lateral stiffness of said suspension in a seeking and positioning direction and a track width.