A shaft coupling comprising: a drive hub that is coupled to a drive shaft to rotate integrally with the drive shaft ; a driven hub that is coupled to a driven shaft to rotate integrally with the driven shaft ; a rotation transmission portion that transmits rotation between the drive hub and the driven hub ; and a dynamic vibration absorber integrally coupled to a section of at least one of the drive hub and the driven hub , the section being an uninvolved section that is not involved in a torsional stiffness of the whole shaft coupling , the at least one of the drive hub and the driven hub is shaped like a column and includes a shaft hole in which the drive shaft or the driven shaft is fitted and a pair of end faces in the axial direction, the uninvolved section is one of the end faces , the dynamic vibration absorber includes an inertial body , a mounting member that is secured to the one of the end faces to mount the inertial body on the one of the end faces , and at least one elastic member that is arranged between the inertial body and the mounting member to support the inertial body , wherein the inertial body , the mounting member , and the elastic member are arranged in a non-contact manner with respect to the drive shaft and the driven shaft , wherein the inertial body includes a cover that covers an outer circumferential surface of the hub on which the inertial body is mounted, a supported portion that is supported by the elastic member and is integrally coupled to the cover , characterized by that the mounting member is secured to a first face of the elastic member , and an inner surface of the supported portion is secured to a second face of the elastic member . a drive hub that is coupled to a drive shaft to rotate integrally with the drive shaft ; a driven hub that is coupled to a driven shaft to rotate integrally with the driven shaft ; a rotation transmission portion that transmits rotation between the drive hub and the driven hub ; and a dynamic vibration absorber integrally coupled to a section of at least one of the drive hub and the driven hub , the section being an uninvolved section that is not involved in a torsional stiffness of the whole shaft coupling , the at least one of the drive hub and the driven hub is shaped like a column and includes a shaft hole in which the drive shaft or the driven shaft is fitted and a pair of end faces in the axial direction, the uninvolved section is one of the end faces , the dynamic vibration absorber includes an inertial body , a mounting member that is secured to the one of the end faces to mount the inertial body on the one of the end faces , and at least one elastic member that is arranged between the inertial body an inertial body , a mounting member that is secured to the one of the end faces to mount the inertial body on the one of the end faces , and at least one elastic member that is arranged between the inertial body and the mounting member to support the inertial body , wherein the inertial body , the mounting member , and the elastic member are arranged in a non-contact manner with respect to the drive shaft and the driven shaft , wherein the inertial body includes a cover that covers an outer circumferential surface of the hub on which the inertial body is mounted, a supported portion that is supported by the elastic member and is integrally coupled to the cover , a cover that covers an outer circumferential surface of the hub on which the inertial body is mounted, a supported portion that is supported by the elastic member and is integrally coupled to the cover , characterized by that the mounting member is secured to a first face of the elastic member , and an inner surface of the supported portion is secured to a second face of the elastic member . <EOS>