| 摘要 |
A wheel bearing apparatus incorporating a wheel speed detecting apparatus and a method for manufacturing the wheel bearing apparatus has a wheel speed detecting apparatus ( 21 ) with a sensor holder ( 22 ). The sensor holder ( 22 ) includes a steel annular fitting ring ( 24 ) to be fit onto the end of the outer member ( 4 ). A holding portion ( 25 ) of plastic resin is integrally molded with the annular fitting ring ( 24 ). A wheel speed sensor ( 26 ) is embedded in the resin. An inboard side seal ( 11 ) of the seals ( 11, 12 ) is arranged between the sensor holder ( 22 ) and the outer joint member ( 14 ). The maximum diameter of the sensor holder ( 22 ) and the constant velocity universal joint ( 3 ) is smaller than the inner diameter of the knuckle (N).
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