To provide a wheel rolling bearing device for securing the performance of sealing a displacement sensor provided in a sensor housing without using a cover member.
The wheel rolling bearing device H comprises a cylindrical fixed bearing ring 1 to be fixed to the side of a vehicle body, rotary bearing rings 2, 3 rotatably inserted through the fixed bearing ring, and a double row rolling elements 5 rollingly arranged between the bearing rings. The annular sensor housing 16 which has the plurality of displacement sensors 24 in the peripheral direction for detecting a gap between the outer peripheral faces of the vehicle inner side ends of the rotary bearing rings 2, 3 is mounted at the vehicle inner side end of the fixed bearing ring 1. The vehicle inner side end of the sensor housing 16 is sealed by an inner side sealing device 50.
MORIMURA NAOKI
NUMATA TETSUAKI
MOTOHASHI NOBUTSUNA
