PURPOSE: A sliding device is provided to cut the processing expenses by simplifying the form of a slid member and to improve the anti-corrosive due to the improvement of the coating performance. CONSTITUTION: A sliding device includes: a moving rail(110) which has a space thereinside and is located in both sides of a slid object; a fixed rail(120) which is fixed to the sliding fixed object and has a fixed space thereinside and installed in the lower part of the moving rail; a rolling body(130) which performs the rolling movement after the body comes into contact with the moving rail and fixed rail; and a sliding body(140) which slides an object and is located inside the space and the fixed space.
