Nsk Corporation

Ryoma Endou

Shoji Noguchi

A device is provided for measuring non-repetitive run-out and dynamic torque simultaneously for a radial rolling bearing, comprising a holder for holding one of the outer and inner races, a pushing member for pushing the holder in an axial direction without confining the holder in both of the radial and rotational directions, a drive shaft for rotatingly driving the other of the outer and inner races, a precision bearing device for rotatingly supporting the drive shaft, a displacement sensor for measuring radial displacement of the one of the outer and inner races, a wire having one end connected to a portion which rotates together with the one of the outer and inner races, and a torque sensor connected to the other end of the wire to measure dynamic torque applied to the one of the outer and inner races.

Growing community of inventors

Fujisawa, Japan

Ryoma Endou