A synthetic resin-made sliding bearing (1) includes a synthetic resin-made
lower casing (2), a synthetic resin-made upper casing (3) superposed
on the lower casing (2), a synthetic resin-made disk-shaped thrust sliding
bearing piece (4) disposed between the upper and the lower casings (3)
and (2), and a synthetic resin-made cylindrical radial sliding bearing piece
(5) disposed between the upper and the lower casings (3) and (2).