Patent ID: 8033734
Filing Date: 2011-10-11
Classification: F16C,G01L

Abstract:
1. A vehicle-wheel rolling bearing comprising: a cylindrical fixed ring which is fixed to a vehicle body; a rotary ring which is inserted through the fixed ring so as to be rotatable therein; and plural rows of rolling elements which are disposed between the fixed ring and the rotary ring so as to roll, wherein a vehicle-outboard-side end of an annular sensor housing, having a plurality of displacement sensors disposed in a circumferential direction so as to detect a gap with respect to an outer peripheral surface of a vehicle-inboard-side end of the rotary ring, is press-fitted to an inner peripheral surface of a vehicle-inboard-side end of the fixed ring, and wherein the displacement sensors are coated by a synthetic resin or a rubber-based material and is integrally formed with the sensor housing.