Provided is a dual reversal-rotating type axial blower, which can reduce the occurrence of vibrations more than the prior art in the revolving speed range over a wide high-speed region. A disc-shaped shock absorber (71) is arranged between the disc portion (23b) of a first support frame body half (23) and the disc portion (53b) of a second support frame body half (53). The shock absorber (71) is arranged in such a compressed state that hooks portions (49) constituting a plurality of engaging portions and hole portions (19e) constituting a plurality of engaged portions engage completely with each other.
