| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure capable of preventing the failure of a vibration sensor 25, while ensuring good detection accuracy in vibration of a radial rolling bearing 3b.SOLUTION: Radial load applying means is constituted by striking the tip end surface of a pressing rod 20 of a pressure device 30 being a hydraulic cylinder placed outside a fixed housing 1a against the base end surface of a pressing jig 19 whose tip end surface is struck against a movable housing 4a, through a steel ball 21 and a pressing plate 22. Additionally, a vibration sensor 25 is provided on the outer surface of the pressing plate 22. |
