To facilitate production and assembly of a turn supporting unit, which excellently receives a shock absorber, a brake caliper, a wheel bearing, and a link lever and supports a link in a wheel guiding device in a turnable manner.

A turn supporting unit 1 is provided with a supporting body constructed of at least two shell parts 2, 3, and the supporting body receives guiding joints 4, 5 which can be independently inserted between the shell parts 2, 3. The supporting body is provided with supporting parts L1, L2, which are integrated together so as to support a shock absorber cylinder and a brake caliper 15, and a center pin 11 supporting a bearing for a brake disk and wheels.