Patent ID: 7547145

Claim:
A bearing device with a sensor, comprising: a bearing part including an outer member having a raceway defined in an inner periphery thereof; an inner member having a raceway confronting the raceway in the outer member; rolling elements interposed between those raceways; a revolution sensor part including an encoder, fitted to one end of the inner member; a sensor fitted to one end of the outer member in face-to-face relation with the encoder; and a sensor mounting member, wherein the sensor mounting member comprises a mounting tube part mountable on an outer diametric surface of the outer member, a side plate part axially positioned in contact with an end face of the outer member, the side plate part of the sensor mounting member includes inner and outer opposite plate portions confronting axially with each other, and the sensor is sandwiched between the inner and outer opposite plate portions, wherein the side plate part of the sensor mounting member has its entire circumference provided with the inner and outer opposite plate portions.