Torsional reducing device

A torsional vibration reduction apparatus has a rotary body (1), rolling bodies (3) and a connecting element (5). The rotating body (1) has guide holes (2), and the connecting element (5) has receiving portions (7) having at least two contact portions (7b, 7c). The receiving portions (7) are disposed in the guide openings (2) and the guide openings (2) assume the role body (3). The receiving portions (7) are configured to hold an outer peripheral surface of each roller body (3) with the contact portions (7b, 7c) in a direction in which the roller body (3) moves back and forth.