Double-row rolling bearing
A double-row rolling bearing, having a split inner ring, an outer ring, rolling elements, and at least one cage. The split inner ring having at least on inner ring race, and the outer ring ( 4 ) having at least one outer ring race. The rolling elements being arranged such that they are mutually spaced in the cage and roll between the inner ring and the outer ring, and the rolling elements being designed as rolling element rollers, and the bearing being designed in an X arrangement. The split inner ring is split into two annular inner ring parts, and the two inner ring parts are preloaded with a preloading means arranged therebetween.
1 . A double-row rolling bearing, comprising:
a split inner ring;
an outer ring comprising two outer ring parts; rolling elements; and
at least one cage, the split inner ring has at least one inner ring raceway and the outer ring has at least one outer ring raceway, the rolling elements are arranged between the split inner ring and the outer ring so as to roll in the at least one cage at a distance from one another, the rolling elements are rolling element rollers, the double-row rolling bearing is in an X arrangement, the split inner ring is split into two annular inner ring parts and the two annular inner ring parts are preloaded with a preloading element arranged therebetween.
2 . The double-row rolling bearing according to claim 1 , wherein the rolling element rollers are formed as spherical rollers.
3 . The double-row rolling bearing according to claim 1 , wherein the preloading element is a spring.
4 . The double-row rolling bearing according to claim 3 , wherein a movability of the two annular inner ring parts in an axial direction relative to one another is limited by at least one shoulder on one of the two annular inner ring parts.
5 . The double-row rolling bearing according to claim 4 , wherein the at least one shoulder is disposed radially outwards of the spring.
6 . The double-row rolling bearing according to claim 1 , wherein the preloading element applies a preload F(axial) of between 0.0001 and 0.15*basic static load rating C 0r of the double-row rolling bearing to the two annular inner ring parts.
7 . The double-row rolling bearing according to claim 1 , wherein the preloading element applies a preload F(axial) of between 0.05+/−0.01*basic static load rating C 0r of the double-row rolling bearing to the two annular inner ring parts.
8 . The double-row rolling bearing according to claim 1 , wherein the at least one cage is formed of multiple parts.
9 . The double-row rolling bearing according to claim 1 , wherein the at least one cage is guided on the outer ring.
10 . A bearing arrangement having a double-row rolling bearing according to claim 1 , wherein a shaft passes through the double-row rolling bearing, wherein the outer ring is mounted in a housing.
11 . The double-row rolling bearing according to claim 1 , wherein the two outer ring parts of the outer ring are fastened by a fastening element.
12 . A bearing arrangement comprising:
a double-row rolling bearing comprising:
a split inner ring;
an outer ring comprising two outer ring parts;
rolling elements; and
at least one cage, the split inner ring has at least one inner ring raceway and the outer ring has at least one outer ring raceway, the rolling elements are arranged between the split inner ring and the outer ring so as to roll in the at least one cage at a distance from one another, the rolling elements are rolling element rollers, the double-row rolling bearing is in an X arrangement, the split inner ring is split into two annular inner ring parts and the two annular inner ring parts are preloaded with a preloading element arranged therebetween;
a shaft passing through the double-row rolling bearing; and
a housing, the outer ring is mounted in the housing.
13 . The bearing arrangement according to claim 12 , wherein the rolling element rollers are formed as spherical rollers.
14 . The bearing arrangement according to claim 12 , wherein the preloading element is a spring.
15 . The bearing arrangement according to claim 12 , wherein the preloading element applies a preload F(axial) of between 0.0001 and 0.15*basic static load rating C 0r of the double-row rolling bearing to the two annular inner ring parts.
16 . The bearing arrangement according to claim 12 , the preloading element applies a preload F(axial) of between 0.05+/−0.01*basic static load rating C0r of the double-row rolling bearing to the two annular inner ring parts.
17 . The bearing arrangement according to claim 12 , wherein a movability of the two annular inner ring parts in an axial direction relative to one another is limited by at least one shoulder on one of the two annular inner ring parts.
18 . The bearing arrangement according to claim 12 , wherein the at least one cage is formed of multiple parts.
19 . The bearing arrangement according to claim 12 , wherein the at least one cage is guided on the outer ring.