An electric steering wheel position adjustment apparatus, comprising: a steering shaft having a rear-end section which a steering wheel is supported by and fastened to; a column unit extending in an axial direction of the steering shaft and rotatably supporting the steering shaft on an inside of the column unit, the column unit comprising: a support section supported by a portion that is fastened to a vehicle body or to a vehicle body-side bracket that is supported by the portion that is fastened to the vehicle body, the support section not being displaced during position adjustment of the steering wheel; and an adjusted section supported by the support section so as to be displaceable in the axial direction of the steering shaft together with at least part of the steering shaft during position adjustment of the steering wheel; an electric actuator fastened to a bottom side of the support section, and having an electric motor as a drive source, causing the adjusted section to be displaced in the axial direction of the steering shaft with respect to the support section; and mechanisms pushing the adjusted section downward, the mechanisms being provided in at least two locations on a top side of the support section that are separated in a forward-backward direction of the column unit, characterized in that the electric steering wheel position adjustment apparatus further comprises a pair of preloaded angular ball bearings (42a, 42b) having back-to-back contact angles and being located between both end sections in the forward-backward direction of the adjusted section and at least part of the steering shaft, the pair of ball bearings (42a, 42b) rotatably support the at least part of the steering shaft with respect to the adjusted section in a state that displacement in the axial direction of the steering shaft with respect to the adjusted section is prevented. a steering shaft having a rear-end section which a steering wheel is supported by and fastened to; a column unit extending in an axial direction of the steering shaft and rotatably supporting the steering shaft on an inside of the column unit, the column unit comprising: a support section supported by a portion that is fastened to a vehicle body or to a vehicle body-side bracket that is supported by the portion that is fastened to the vehicle body, the support section not being displaced during position adjustment of the steering wheel; and an adjusted section supported by the support section so as to be displaceable in the axial direction of the steering shaft together with at least part of the steering shaft during position adjustment of the steering wheel; a support section supported by a portion that is fastened to a vehicle body or to a vehicle body-side bracket that is supported by the portion that is fastened to the vehicle body, the support section not being displaced during position adjustment of the steering wheel; and an adjusted section supported by the support section so as to be displaceable in the axial direction of the steering shaft together with at least part of the steering shaft during position adjustment of the steering wheel; an electric actuator fastened to a bottom side of the support section, and having an electric motor as a drive source, causing the adjusted section to be displaced in the axial direction of the steering shaft with respect to the support section; and mechanisms pushing the adjusted section downward, the mechanisms being provided in at least two locations on a top side of the support section that are separated in a forward-backward direction of the column unit, characterized in that the electric steering wheel position adjustment apparatus further comprises a pair of preloaded angular ball bearings (42a, 42b) having back-to-back contact angles and being located between both end sections in the forward-backward direction of the adjusted section and at least part of the steering shaft, the pair of ball bearings (42a, 42b) rotatably support the at least part of the steering shaft with respect to the adjusted section in a state that displacement in the axial direction of the steering shaft with respect to the adjusted section is prevented.