The oil seal structure has an accommodation hole bearing (2b) is provided a housing (2) is provided in the accommodation hole (2b) inside the bearing portion of the shaft (9) and (8), the radial direction of the shaft (9) in the damper unit that absorbs vibrations of the shaft to hold the lubricating oil between the inner wall of the positioned outward from the bearing portion (8), the housing hole (2b) and (21), the damper unit (21) against, the seal body portion facing in the axial direction of the shaft (9) via a gap (25), located between the damper portion (21) the seal body portion (25), the gap of the damper portion 1 oil discharge space (Sa), and the second oil discharge space of the seal body portion (Sb) and the separating partition wall (26), to the oil discharge port side than the shaft (9) of the partition wall (26) provided, radially inside of the shaft (9) is located in the first oil discharge space side, the shaft (9 Radially outer comprises an induction unit 26b located in the second oil discharge space side.