Bearings – Rotary bearing – Antifriction bearing
Patent
1997-03-12
1998-04-07
Footland, Lenard A.
Bearings
Rotary bearing
Antifriction bearing
384571, F16C 3358
Patent
active
057356122
ABSTRACT:
A bearing for enabling an axle shaft to rotate in a housing includes a cup which is attached to the housing, a cone which fits over the axle shaft, and tapered rollers arranged in a single row between tapered raceways on the cup and cone. The cup has a thrust rib at the large diameter end of its raceway, while another thrust rib is located at the small diameter end of the cone raceway. The arrangement is such that the bearing transmits radial loads and thrust loads in both directions. In one direction the thrust loads are taken on the raceways; in the other through the ribs. The cup contains an oblique bore which opens toward the axis of rotation beyond the small diameter end of the cup raceway, and this bore contains a speed sensor. An excitor ring rotates with the cone immediately inwardly from the speed sensor, and it has disruptions which cause the sensor to produce a pulsating signal, the frequency of which reflects the angular velocity. The excitor ring may be part of a rib ring that fits over the axle shaft and against the end of the cone, or it may be on a locking collar that fits over the axle shaft and against the end of the cone. The cone may be an integral part of the axle shaft with its raceway being a surface on the axle shaft.
REFERENCES:
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patent: 5308171 (1994-05-01), Sakamoto
patent: 5494358 (1996-02-01), Dougherty
patent: 5527114 (1996-06-01), Morita
Dieterle John R.
Fox Gerald P.
Footland Lenard A.
The Timken Company
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