| 摘要 |
An electric power steering apparatus comprises a transmission mechanism for transmitting driving force of a steering assisting electric motor to a steering mechanism. A driven gear of the transmission mechanism is rotatably supported by first and second bearings. One of the first and second bearings includes an inner ring coupled so as to be rotatable together with an output shaft of a steering shaft, an outer ring held on a housing, and a rolling element interposed between the inner ring and the outer ring. One of the inner ring and the outer ring includes an annular elastic plate giving a preload to the rolling element.
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