Bearing shell for half-shell bearing, and half-shell bearing and use thereof

A bearing shell and bearing technology, applied in the direction of rotating bearings, bearings, roller bearings, etc., can solve the problems of reducing the elasticity of the rib, reducing the elasticity, and increasing the cost, so as to reduce the thickness of the material and reduce the weight. , the effect of cost reduction

CN109642607AActive Publication Date: 2019-04-16SCHAEFFLER TECH AG & CO KG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2019-04-16

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Abstract

The invention relates to a bearing shell (1; 1a, 1b) for a half-shell bearing (100), said bearing shell (1; 1a, 1b) having, on a first side (2), at least one raceway (2a) for rolling elements (4), wherein the bearing shell (1; 1a, 1b) is hardened in a hardening process, wherein the bearing shell (1; 1a, 1b) has a steel main body (5), and wherein the main body (5) has, on a second side (3) facing away from the first side (2), at least one coating (6) made of a coating material which is designed to form a diffusion barrier for carbon in the direction of the main body (5) in the region of the second side (3) during the hardening process. The invention also relates to a method for producing such a bearing shell (1; 1a, 1b), to a half-shell bearing (100) formed with the bearing shell (1; 1a, 1b), and to the use thereof.
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Description

technical field

[0001] The invention relates to a bearing shell for a half-shell bearing, which has at least one raceway for rolling bodies on a first side. The invention also relates to a method for producing such a bearing shell, a half-shell bearing and the use thereof. Background technique

[0002] DE 10 2010 006 262 A1 describes a generic half-shell bearing for disc brakes in motor vehicles. at DE 10 2010 006 262 A1 figure 1 A typical loading situation for such a half-shell bearing is shown in .

[0003] Bearing shells for half-shell bearings or half-shell needle roller bearings, in particular for disc brakes on commercial vehicles, usually consist of a cold-deformable strip-shaped base material, such as steel, which is usually case-hardened . Due to the high, almost static loads that occur in disc brakes, a limited high case hardening depth is usually chosen.

[0004] The bearing housing is usually formed with lateral ribs, which are erected by rolling a strip-sha...

Examples

Embodiment Construction

[0030] figure 1 A bearing housing 1; 1a is shown in a three-dimensional view with two longitudinal sides 9a, 9b, wherein on each of these longitudinal sides 9a, 9b a stop pointing in the direction of the raceway 2a for the rolling bodies is arranged. Sides 7a, 7b. figure 2 The cross-sectional diagram shows the basis of figure 1 An enlarged fragment of the bearing housing 1; 1a in the region of the rib 7b. The bearing shell 1; 1a is hardened by a hardening method. The bearing housing 1; 1a has a main body 5 made of steel (see figure 2 ), and on the first side 2 there is a raceway 2a for the rolling elements. On the second side 3 facing away from the first side 2, the main body 5 has a coating 6 of a coating material, which is set up so that during the hardening method, a carbon-resistant coating is formed in the region of the second side 3. Diffusion barrier towards body 5. in accordance with figure 2 In a sectional view through the rib 7b, the hardened edge layer 5a ...