ROLLING BEARING AND SPINDLE DEVICE EQUIPPED WITH ROLLING BEARING

Provided is a rolling bearing including: an inner ring (1); an outer ring (2); a plurality of rolling elements (3) interposed between the inner ring and the outer ring; and a retainer (4) configured to retain the plurality of rolling elements, the outer ring (2) having an inner peripheral surface fo...

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Bibliographic Details
Main Author KOYAMA, Mineo
Format Patent
LanguageEnglish
French
German
Published 14.07.2021
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:Provided is a rolling bearing including: an inner ring (1); an outer ring (2); a plurality of rolling elements (3) interposed between the inner ring and the outer ring; and a retainer (4) configured to retain the plurality of rolling elements, the outer ring (2) having an inner peripheral surface formed with a grease pocket (7) recessed outward in a radial direction, wherein the retainer (4) is formed with pockets (Pt) configured to retain the rolling elements (3) at a plurality of positions in a circumferential direction, and the retainer (4) has an outer peripheral surface formed with a grease receiving recess (9) which is recessed inward in the radial direction and extends in the circumferential direction in a region including the pockets (Pt).
Bibliography:Application Number: EP20190856554