Rolling bearing unit with rotational speed sensor

Details Rolling bearing unit with rotational speed sensor Rolling bearing unit with rotational speed sensor

1998-03-31

1999-11-02

Hannon, Thomas R.

Bearings

Rotary bearing

Antifriction bearing

32420725, F16C 1908, G01P 348

Patent

active

059757612

ABSTRACT:
A rolling bearing unit with a rotational speed sensor comprising a stationary outer ring having a first raceway, a rotatable inner ring having a second raceway, a plurality of rolling elements rotatably provided between the first and second raceways, a sensor support case having a step portion for axial positioning, a detecting portion and a sensor mounted therein, an encoder having circumferentially changing magnetic characteristics and connected to the rotatable ring, a cover made of a synthetic resin, connected to the stationary ring, and having a fitting portion with respect to the outer ring, the fitting portion formed with a groove for mounting an seal-ring therein, a mount hole for inserting part of the sensor support case therein, and a portion abutted to the step portion of the sensor support case for axial positioning, and an elastic member having a first portion engaged with the cover and a second portion engaged with the sensor support case to fix the sensor support case to the cover.

REFERENCES:
patent: 4946295 (1990-08-01), Hajzler
patent: 5103170 (1992-04-01), Grillo et al.
patent: 5148104 (1992-09-01), Ishikawa
patent: 5451869 (1995-09-01), Alff
patent: 5544962 (1996-08-01), Hofmann et al.
patent: 5550467 (1996-08-01), Goossens
patent: 5622437 (1997-04-01), Alff
patent: 5642042 (1997-06-01), Goossens et al.
patent: 5756894 (1998-05-01), Paolo et al.
patent: 5762425 (1998-06-01), Ouchi

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