Bearing with rotation detection device

Details Bearing with rotation detection device Bearing with rotation detection device

2011-08-02

2011-08-02

Charles, Marcus (Department: 3656)

Bearings

Rotary bearing

Antifriction bearing

C384S490000, C324S173000

Reexamination Certificate

active

07988363

ABSTRACT:
To downsize a bearing assembly with a rotation detection device, a magnetic generating element (2) having a directionality about a rotation axis O is provided on an inner race (21) side of the bearing assembly (20). A rotation sensor (3) capable of detecting a magnetism of the magnetic generating element (2) and outputting information descriptive of rotation or angle is fitted to an outer race (22) side in alignment with a bearing axis. The magnetic generating element (2) is fixed to a fixing member, for example, a rotary shaft (10) that is fixed to an inner diametric side of the inner race (21) of the bearing assembly (20).

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