Rolling bearing unit

Rolling bearing unit

Two bearings 3, 4 are used to rotatably support the pivot 1 with reference to a fixed shaft. The swing arm 5 is highly precisely fixed to the pivot 1. The outer diameter 4b of the outer race 4a of the lower bearing 4 is larger than the outer diameter 3b of the outer race 3a of the upper bearing 3. T...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MURAKI HIROMITSU, YASUHARA TAKAFUMI
Format: Patent
Sprache: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
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
LIGHTING
MECHANICAL ENGINEERING
PHYSICS
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
THERMAL INSULATION IN GENERAL
WEAPONS
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Beschreibung
Zusammenfassung:Two bearings 3, 4 are used to rotatably support the pivot 1 with reference to a fixed shaft. The swing arm 5 is highly precisely fixed to the pivot 1. The outer diameter 4b of the outer race 4a of the lower bearing 4 is larger than the outer diameter 3b of the outer race 3a of the upper bearing 3. The end surface of the outer race 4b of the outer race 4a of the lower bearing 4 and the outer periphery 3b of the outer race 3a of the upper ball bearing 3 are used as a reference surface to fix the swing arm 5. The housing used in the prior art is eliminated from the structure according to the present invention to reduce the number of parts.