| 摘要 |
PURPOSE:To provide a bearing assembly in which conventional problems are solved, i.e., the r.p.m. of wheel can be detected without increasing the number of parts or complicating the structure. CONSTITUTION:In a bearing assembly comprising a first fixed wheel 30 (e.g. an outer wheel), A second roratable wheel 22 (e.g. an inner wheel) disposed concentrically thereto, and a rotary member 10 (e.g. a hub inner ring) coupled integrally with the second wheel 22, a component of bearing assembly or a fixing component therefor (e.g. a nut member 50, the hub inner ring or inner ring 22) is utilized as a pulser gear 54 in order to detect r.p.m. of the rotary member 10 and a sensor 70 is disposed closely thereto.
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