To provide a bearing device with an IC tag for a wheel by which information regarding a bearing, especially, a preload amount or a bearing gap can be easily confirmed in the bearing device for the wheel to which preload is imparted by caulking.
The bearing device with the IC tag for the wheel is provided with an external member 1 having a raceway face 1a on the inner periphery and an internal member 2 having a raceway face 2a facing the raceway face 1a on the outer periphery. A rolling body 5 is interposed between the raceway faces 1a, 2a of both trains. The internal member 2 is composed of a hub ring 3 having a flange 3a for mounting a wheel and another member 13a connected to the hub ring 3. The raceway face 2a of each train is formed to the hub ring 3 and another member 13a. Another member 13a may be an outer ring of a constant speed universal joint or an independent inner ring. Another member 13a is connected to the hub ring 3 by caulking. The preload of the bearing is imparted by the caulking. A non-contact IC tag 10 capable of executing communication is mounted to the bearing device for a wheel.
COPYRIGHT: (C)2006,JPO&NCIPI
Takashi Koike
Tomoumi Ishikawa
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Shuji Sugimoto