Sensor bearing unit and method for producing such sensor bearing unit

A sensor bearing unit comprising: a bearing (12) comprising a first ring (16) and a second ring (18), each provided with an outer cylindrical surface (16b, 18b), an inner cylindrical surface (16a, 18a) and lateral surfaces (16c, 16d, 18c, 18d), and a pulse ring (14) provided with a target holder (26) mounted axially against one of the lateral surfaces, 30c) fixed to the first ring and in radial contact with one of the cylindrical surfaces, and comprising a fixed portion (30c; 60a) and an abutment portion (30a) in axial contact with the lateral surface. In addition to this, at least one of the lateral surface and the cylindrical surface is provided with a textured region (40) comprising a plurality of ribs (42), the abutting portion and/or the fixing portion of the target holder being made of a hard material and comprising a soft coating (70) covering the hard material, the ribs engaging inside the soft coating. 一种传感器轴承单元，包括：轴承(12)，包括第一圈(16)和第二圈(18)，每个设置有外圆柱形表面(16b、18b)、内圆柱形表面(16a、18a)及侧向表面(16c、16d、18c、18d)，以及