Bearing unit
AssigneeDaimler AG
InventorsHartmut Nied, Wolfgang Oetken, Ulrich Scholz
Life of this patent
Estimating the term…
Abstract
In a bearing unit for a drive shaft mounted cantilevered in a housing by means of two rolling bearings and having a driving bevel gear wherein the drive shaft is mounted in the drive housing via a bearing bush and the bearing bush is axially supported at one end by a bearing bush support part and the rolling bearings are supported in the bearing bush spaced from the one end thereof so that, during heating, the bearing bush expands inwardly toward the driving bevel gear mounted on the shaft whereas the drive housing expands outwardly away from the driving bevel gear, the gear drive housing and the bearing bush consist of a light metal alloy and the bearing bush support part consists of an iron material.
Claims9
A bearing unit (2) for a gear drive including a drive shaft (3) supported by a bearing bush (2.1) having a plurality of support surfaces (2.1, 2.1b) in a gear drive housing (1), at least one rolling bearing (2a) mounted in said bearing bush (2.1), said bearing bush (2.1) being supported in an axially extending bearing bush support part (2.2) of said housing (1) with one end face (2.3) of the bearing bush (2.1) abutting an outer end wall of the bearing bush support part (2.2) and being threaded into the end wall of the bearing bush support part (2.2), said at least one rolling bearing (2a) being supported in the gear drive housing (1) and the bearing bush (2.1) consisting of a light metal along and the bearing bush support part (2.2) consisting of an iron material.
Dependencies are inferred from the claim text.