SEALED BEARING WITH AXIALLY UNDULATING SEAL LIP

A sealed ball bearing for sealing the annular space between the inner and outer races includes a flexible elastomeric washer that is held in place by a retaining ring mounted in a groove on the outer race. The retaining ring has a plurality of radially inwardly directed spring fingers which urge loc...

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Bibliographic Details
Main Author HAY C,US
Format Patent
LanguageEnglish
Published 14.08.1973
Subjects
BEARINGS
BLASTING
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:A sealed ball bearing for sealing the annular space between the inner and outer races includes a flexible elastomeric washer that is held in place by a retaining ring mounted in a groove on the outer race. The retaining ring has a plurality of radially inwardly directed spring fingers which urge local segments of the washer axially into contact with the ribbon separator of the bearing thereby causing the washer to assume an axially undulating contact pattern with the inner race. When the bearing is rotated, the separator acts in a camming fashion to axially displace the local segments to establish a traveling wave motion in the washer which prevents contaminant buildup.
Bibliography:Application Number: USD3752544