| 摘要 |
<p>According to the present invention there is provided a bearing unit for vehicle wheel support comprising a shaft (2) having a mounting flange (6), a first inner raceway (7) directly formed thereon, a step portion (8) formed on one end portion thereof, a crimped portion formed (19) on an end side of the step portion (8), said crimped portion (19) of the shaft (2) having a flat end face (42) with no heat treatment on the outside thereof, and an inner ring (3) fitted onto the step portion (8) of the shaft (2), and having an inner ring raceway (9), the inner ring (3) being fixed to the shaft (2) by the crimped portion (19) of the shaft (2), and a constant velocity joint (36) having a main portion (39) and fixed to the shaft (2) with an axial force, the flat end face (42) of the shaft (2) abutted on an axially outer surface of the main portion (39) of the constant velocity joint (36) to support said axial force. <IMAGE></p> |
