The invention relates to a bearing (1) provided with an information sensor (5), comprising a moveable ring (2) and a fixed ring (3) in which an annular means for generating magnetic pulses(6) is associated with the moveable ring (2) and a device for detecting said pulses (7) is associated with the fixed ring (3), wherein the detection device (7) comprises more than two sensitive elements (40) which are associated with a substrate and comprising means for positioning said substrate (8) which can dispose the sensitive elements (40) at a distance corresponding to a gap from the annular means for generating magnetic pulses (6).