To slidably support a piston rod, to improve sliding performance, to reduce cost, to prevent oil liquid from leaking, to improve durability, and to smoothly slide the piston rod over a long period.

A hydraulic shock absorber or a gas spring is provided with a seal member and a rod guide 6, the rod guide 6 is provided with a cylindrical fitting part 13 to be fitted to the end of a cylinder 2, a cylindrical bearing part 16 for guiding a piston rod 5, a bearing layer 15 integrally fixed on the inner peripheral surface of the cylindrical bearing part 16 and to be brought in slide-contact with the outer periphery of the piston rod 5, and an oil accumulating recessed part P1 partially formed on the inner peripheral surface of the bearing layer 15, and integrally formed on a base material front surface formed of a steel thin plate material by pressing and deep drawing in a state where the bearing layer 15 is previously and integrally fixed on only a part to be taken as the cylindrical bearing part 16, and the oil accumulating recessed part on the inner peripheral surface of the bearing layer 15 is integrally expanded and formed in the radial direction.