Abstract:
A bearing assembly having an inner race ring (14) that defines an inner raceway and an outer race ring that defines an outer raceway on which the plurality of rolling elements (22) roll. The bearing raceways are machined using surface finishing operations to create preferred surface profiles and textures for improving lubrication performance. The profile of the raceway is initially created using a first grinding process to form a rough surface profile including a rough central band (34) and rough recessed side bands (38). A second grinding process is used to smooth the central band. This raceway surface profile increases lubrication performance.
Abstract:
The present invention relates a bearing comprising a liquid lubricant and at least one ceramic component (105, 115, 125), which, during operation of the bearing, is subject to rolling contact load. According to the invention, a tribological surface (110, 120, 130) of the at least one ceramic component is impregnated with a sealant, such that the liquid lubricant is prevented from entering discontinuities in the tribological surface.
Abstract:
Die Erfindung betrifft ein Lager, insbesondere zur Verwendung in einer flüssigen Umgebung, speziell zur Verwendung unter Wasser, umfassend einen zwischen einer Dichtung (4, 5) und einem Lagerring (1, 2) abgeschlossenen Lagerraum (6), sowie eine Bohrung (7) mit einem die Bohrung (7) verschließenden elastischen Druckausgleichselement (8). Die Aufgabe, für ein insbesondere für den Betrieb in einer flüssigen Umgebung vorgesehenen Lager eine imwesentlichen bauraumneutrale Möglichkeit zum Druckausgleich anzugeben, wird erfindungsgemäß dadurch gelöst, dass der Lagerraum (6; 26) mit einer Flüssigkeit (9) gefüllt ist, und dass das Druckausgleichselement (8; 28) für die Flüssigkeit (9) des Lagerraums (6; 26) sowie für das Material der Umgebung des Lagers undurchlässig ist.
Abstract:
An auxiliary bearing including a bearing mount disposed circumferentially about a shaft. A support wall may extend radially inward from the bearing mount, and the support wall may define a first annular cavity. An outer race may be coupled to a radially inner surface of the support wall. An inner race may be rotatably coupled to the outer race, and a plurality of rolling elements may be disposed between the inner and outer races. A pool of lubricant may be disposed within the first annular cavity, and at least a lowermost one of the plurality of rolling elements may be at least partially disposed in the pool.
Abstract:
An exemplary bearing cartridge assembly includes an inner sleeve. An outer housing is supported for rotation relative to the inner sleeve. A bearing member within the outer housing and received about the inner sleeve facilitates rotation of the outer housing relative to the inner sleeve. The bearing member has an axial dimension (e.g., a width) that is smaller than an axial inner dimension of the outer housing. The bearing member is positioned relative to the inner sleeve and the outer housing to provide a first lubricant space between one side wall of the outer housing and the bearing member and a second lubricant space between an opposite side wall of the outer housing and the bearing member. There is at least one through passage between the first and second lubricant spaces to allow lubricant to move between them.