CYLINDRICAL ROLLER BEARING

In a cylindrical roller bearing (10), a single recessed groove (25) is formed in an inner wall surface of each of a pair of circular ring portions (22) forming a pocket portion (21), the recessed groove (25) at least facing a center point O of a roller end surface (13a) of a cylindrical roller (13)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KATSUNO, Yoshiaki, SOGA, Shuji, AOKI, Mitsuho
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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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Beschreibung
Zusammenfassung:	In a cylindrical roller bearing (10), a single recessed groove (25) is formed in an inner wall surface of each of a pair of circular ring portions (22) forming a pocket portion (21), the recessed groove (25) at least facing a center point O of a roller end surface (13a) of a cylindrical roller (13) and open from an inner circumferential surface to an outer circumferential surface of the circular ring portion (22). The recessed groove (25) is spaced apart in a circumferential direction from a pocket corner portion (26) between the circular ring portion (22) and a column portion (23). Thereby, satisfactory lubrication property can be obtained in oil-air lubrication or grease lubrication, and skew of the cylindrical roller can be prevented.