To provide a polymer bushing suitable for pour-type mold forming wherein mold cost for forming can be lowered and production manhour can be reduced.

In a polymer bushing 1 which comprized a core member and an outer cladding 5 that is formed on an outer circumference of the core member and composed of an insulation high-polymer material, and wherein the outer cladding 5 comprizes a sheath part covering the outer circumference of the core member and a plurality of shed parts which are provided in the longitudinal direction at appropriate intervals and extend from an outer circumference of the sheath part to the outside in the radial direction, and which is further made up by forming the outer cladding 5 by the method of pour-type mold forming of plural times while is made up of a straight part 3 and a taper part 2, a structure is made such that a length of the taper part 2 is shorter than a length of the straight part 3.