Bearing unit e.g. top plate bearing unit for turntable, has mutually distinctive profiles arranged on shaft washer outer periphery, to form different waveforms of magnetic resistors in unique angular position of bearing ring

摘要

The storage unit (1) has measuring system (12) for measuring rotation angle of rotating bearing ring (6). The measuring system has measuring head (13) comprising magnetoresistive sensors (14-16) that are provided away from the rotating bearing ring. The mutually distinctive profiles (18-20) are arranged over the outer periphery (17) of shaft washer (8), to form different waveforms of rotation-dependent magnetic resistors from the sensors in the unique angular position of bearing ring.