Antifriction bearing
AssigneeFirma Carl Freudenberg
InventorsVolker Grassmuck, Benno Jorg, Eberhard Sommer
Life of this patent
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Abstract
An antifriction bearing, in which the outer ring is supported in the bore of a rotating machine part and secured by a retaining ring against axial displacement. The retaining ring is snapped into a circumferential groove of the bore and is supported, freely movable towards the outside in the radial direction, in the axial direction on the side of a conical surface facing away from the inner ring. By this structure, the axial contact pressure of a gasket of a polymeric material, which is disposed between the retaining ring and the radial antifriction bearing, and which bridges the gap between the outer ring and the inner ring of the antifriction bearing, increases as the rotational speed increases.
Claims3
An antifriction bearing comprising:
- an inner ring supported in a first bore of a rotating machine part;
- an outer ring supported in a second bore of a rotating machine part, said second bore having a circumferential groove serving said outer ring;
- a retaining ring against axial displacement, said retaining ring being snapped into said circumferential groove of said second bore;
- and
- a gasket of a polymeric material, which bridges a gap between said outer ring and said inner ring and lies under elastic pretension against a side surface of said inner ring, being disposed between said retaining ring and a side surface of said outer ring;
- said retaining ring in the installed state on the one hand being supported on a side of said groove facing away from a side surface of said outer ring on at least one conical surface and, on the other, being at a radial distance from the bottom of said groove;
- said retaining ring having a supporting surface, which faces a side surface of the outer ring, being constructed flat and extending in a radial direction;
- said supporting surface extending inwardly in a radial direction and bridging at least partially said gap between the said outer ring and said inner ring.
Dependencies are inferred from the claim text.