Vehicle wheel bearing having sealing member of improved structure

A vehicular wheel bearing (100) for rotatably mounting and supporting a vehicular wheel to a vehicle body, the vehicular wheel bearing comprising:

• a rotating element (200) that rotates together with the vehicular wheel;
• a non-rotating element (300) mounted and fixed to the vehicle body;
• a plurality of rolling elements (400) provided between the rotating element (200) and the non-rotating element (300);
• and
• a sealing member (500) mounted between the rotating element (200) and the non-rotating element (300) to prevent inflow of external foreign matters,
• wherein the sealing member (500) comprises:
• a first member (600) mounted to one of the rotating element (200) and the non-rotating element (300) of the wheel bearing (100);
• and a second member (700) mounted to the other of the rotating element (200) and the non-rotating element (300) of the wheel bearing (100),
• wherein the first member (600) of the sealing member (500) comprises a first frame (610) and an elastic sealing portion (620) attached to the first frame (610),
• wherein the second member (700) of the sealing member (500) comprises a second frame (710) and an elastic member (720) attached to the second frame (710),
• wherein the elastic sealing portion (620) comprises at least one sealing lip (630) of contacting with the second member (700) of the sealing member (500) to perform sealing, and
• wherein the second member (700) is provided with an uneven portion (740) on all or part of a region contacted by the sealing lip (630).