TRANSMISSION UNIT, IN PARTICULAR AN AXLE DRIVE OR TRANSFER CASE, HAVING A TRANSMISSION ELEMENT MOUNTED THEREIN VIA AT LEAST ONE DOUBLE-ROW ANGULAR CONTACT BALL BEARING

A transmission unit includes a transmission housing, a transmission element rotatably accommodated in the transmission housing, a bearing seat, and an angular contact ball bearing accommodated in the bearing seat, for mounting the transmission element, as well as a double-row angular contact ball be...

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Bibliographic Details
Main Authors Dittmer, Steffen, Schumacher, Wolfgang, Heinz, Andreas
Format Patent
LanguageEnglish
Published 13.05.2021
Subjects
BEARINGS
BLASTING
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GEARING
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 transmission unit includes a transmission housing, a transmission element rotatably accommodated in the transmission housing, a bearing seat, and an angular contact ball bearing accommodated in the bearing seat, for mounting the transmission element, as well as a double-row angular contact ball bearing having: an inner bearing ring; a first inner concave rolling element raceway formed in an outer peripheral region of the inner bearing ring; a second inner concave rolling element raceway axially offset to the first inner rolling element raceway and formed in the outer peripheral region of the inner bearing ring; an outer bearing ring; a first outer concave rolling element raceway formed in an inner peripheral region of the outer bearing ring; a second outer concave rolling element raceway axially offset to the first outer rolling element raceway and formed in the outer bearing ring; a first ball-cage assembly with first balls which are accommodated in a first track space extending between the first inner rolling element raceway and the first outer rolling element raceway; and a second ball-cage assembly with second balls which are accommodated in a second track space extending between the second inner rolling element track and the second outer rolling element track. In this way, the central tracks of the two ball-cage assemblies adopt certain axial and radial relative positions.
Bibliography:Application Number: US201816618416