To provide a bearing device for a wheel capable of preventing generation of abnormal sound by a stick slip by suppressing a stick slip phenomenon for a long period.
This bearing device is provided with a rolling bearing 31 having an outward member 3 having a plurality of outside raceway surfaces 1 and 2 on an inner peripheral side, an inward member 6 having inside raceway surfaces 4 and 5 opposed to the outside raceway surfaces 1 and 2 on an outer peripheral side, and a plurality of rows of rolling elements 28 arranged between the opposed outside raceway surfaces 1 and 2 and inside raceway surfaces 4 and 5. An outside joint member of a constant velocity universal joint 7 is connected to the inward member 6. An auxiliary torque transmission structure M for regulating relative displacement accompanying in torque transmission between a radial direction end face 40 on an inboard side of the inward member 6 and an opposed end face 41 of the outside joint member opposed to the radial direction end face 40 is provided between the inward member 6 and the outside joint member of the constant velocity universal joint 7.
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