Rolling bearing unit with rotating speed sensor

专利名称：Rolling bearing unit with rotating speed

sensor

发明人：Hideo Ouchi申请号：US08/779530申请日：19970107公开号：US05938346A公开日：19990817

摘要：A rolling bearing unit with rotating speed sensor comprising a stationary ringhaving an opening end portion and a peripheral surface formed with a first raceway, arotatable ring having a peripheral surface formed with a second raceway, a plurality ofrolling members provided between the first and second raceways, a generally annulartone wheel supported by the rotatable ring and comprising a multi-pole magnet havingS-poles and N-poles alternately arranged in a circumferential direction, a cover fixed tothe opening end portion, and

a sensor supported by the cover and having a front face opposed to the tone wheeland a rear face to which a magnetic member is placed close.

申请人：NSK LTD.

代理机构：Evenson, McKeown, Edwards & Lenahan, PLLC

更多信息请下载全文后查看