A suspension comprises a base plate, a load beam, and a hinge member. An extending
portion is provided on the side of the hinge member. A step forming portion is
formed between the base plate mounting portion and the extending portion. The step
forming portion has a difference in level such that the extending portion is situated
inside the base plate mounting portion with respect to its thickness direction.
An end portion of the flexure fixed on the extending portion is situated inside
the surface of the base plate mounting portion with respect to the thickness direction.