Double column angular contact ball bearing in fat hole is annotated in area

The utility model relates to a double column angular contact ball bearing in fat hole is annotated in area, including bearing inner race (1) and bearing inner race (2), the common the top of bearing inner race (1) and bearing inner race (2) with be equipped with a dustproof sealing structure (3) joi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WENG DIEFENG, SI ZHUOYI, GAO SHAOJIA
Format:	Patent
Sprache:	chi ; eng
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:	The utility model relates to a double column angular contact ball bearing in fat hole is annotated in area, including bearing inner race (1) and bearing inner race (2), the common the top of bearing inner race (1) and bearing inner race (2) with be equipped with a dustproof sealing structure (3) jointly bottom respectively, the raceway between bearing inner race (1) and bearing inner race (2) is equipped with upper steel ball (5) and lower floor's steel ball (6), its characterized in that perpendicularly: it annotates fat hole logical (7) upwards to be equipped with in bearing inner race's (2)footpath, it accesss to exterior space to annotate fat through -hole (7) one end, notes fat through -hole (7) the other end accesss to the junction of upper steel ball (5) and lower floor's steel ball (6), and lubricating grease gets into the raceway through annotating fat through -holes (7). The utility model discloses double column angular contact ball bearing in fat hole is annotated in area for the dismouting is exem