Spherical roller bearing

Patent metadata

Field	Value
Publication number	US-10844903-B2
Application number	US-201515128006-A
Country	US
Kind code	B2
Filing date	Mar 20, 2015
Priority date	Mar 28, 2014
Publication date	Nov 24, 2020
Grant date	Nov 24, 2020

Abstract

A spherical roller bearing includes at least one outer ring and one inner ring and at least one rolling element disposed between the at least one outer ring and the one inner ring. The outer ring is axially enlarged with respect to the inner ring in a one-sided manner on a load-zone side of the spherical roller bearing.

First claim

The invention claimed is:

1. A spherical roller bearing comprising:
an outer ring;
an inner ring;
two rows of rolling elements are axially disposed adjacent to each other between the outer ring and the inner ring, wherein the two rows of rolling elements roll on the outer ring and the inner ring, wherein the outer ring is axially enlarged with respect to the inner ring and the axial enlargement of the outer ring is one-sided and located on a load-zone side of the spherical roller bearing, the inner ring being located on a shaft, the outer ring being an outermost ring of the spherical roller bearing and being angularly rotatable relative to the inner ring, a portion of the outer ring which forms the axial enlargement forming part of a raceway of the outer ring for at least one of the two rows of rolling elements to roll thereover.

2. The spherical roller bearing according to claim 1 , wherein the outer ring is axially enlarged with respect to the inner ring by less than twenty percent (20%).

3. A spherical roller bearing assembly for supporting a shaft that includes the spherical roller bearing of claim 1 that is disposed on a first end of the shaft, and another of the spherical roller bearing of claim 1 on a second end of the shaft.

4. A roller bending machine for manufacturing tubular elements, comprising a roller that is supported by the spherical roller bearing assembly according to claim 3 .

5. The spherical roller bearing according to claim 1 , wherein the outer ring is axially enlarged with respect to the inner ring by less than ten percent (10%).

6. The spherical roller bearing according to claim 1 , wherein the at least one outer ring has a first axial side and a second axial side and wherein the one inner ring has a first axial side and a second axial side, and wherein the first axial side of the at least one outer ring is axially aligned with the first axial side of the one inner ring.

7. The spherical roller bearing according to claim 6 , wherein the outer ring is axially enlarged with respect to the inner ring by less than twenty percent (20%).

8. The spherical roller bearing according to claim 6 , wherein the outer ring is axially enlarged with respect to the inner ring by less than ten percent (10%).

9. A spherical roller bearing comprising:
an outer ring having a first axial side and a second axial side;
an inner ring having a first axial side and a second axial side; and
two rows of rolling elements axially disposed between the outer ring and the inner ring adjacent to each other,
wherein the rolling elements roll on the outer ring and the inner ring,
wherein the first axial side of the outer ring and the first axial side of the inner ring are axially aligned, and
wherein a distance between the first axial side of the outer ring and the second axial side of the outer ring is greater than a distance between the first axial side of the inner ring and the second axial side of the inner ring on a load-zone side of the spherical roller bearing so as to create an axially enlarged section on the outer ring relative to the inner ring, the inner ring being located on the a shaft, the outer ring being an outermost ring of the spherical roller bearing and being angularly rotatable relative to the inner ring, the axially enlarged section forming part of a raceway of the outer ring for at least one of the two rows of rolling elements to roll thereover.

10. The spherical roller bearing according to claim 9 , wherein the distance between the first axial side of the outer ring and the second axial side of the outer ring is greater than the distance between the first axial side of the inner ring and the second axial side of the inner ring by less than twenty percent (20%).

11. The spherical roller bearing according to claim 9 , wherein the distance between the first axial side of the outer ring and the second axial side of the outer ring is greater than the distance between the first axial side of the inner ring and the second axial side of the inner ring by less than ten percent (10%).

12. A spherical roller bearing including an outer ring and an inner ring, between which two rows of rolling elements are axially disposed adjacent to each other with a portion of a cage therebetween, wherein the two rows of rolling elements roll on the outer ring and the inner ring, wherein the outer ring is axially enlarged with respect to the inner ring and the axial enlargement of the outer ring is one-sided and located on a load-zone side of the spherical roller bearing, wherein one of the two rows of rolling elements which is located on an unloaded side of the spherical roller bearing can axially protrude outwardly from the outer ring such that at least one of the rolling elements therein axially protrudes outwardly from the outer ring, when viewed in cross section, a single outer edge of the at least one of the rolling elements is partially contacted and guided by the outer ring and is partially axially outside of the outer ring, the inner ring being located on a shaft, the outer ring being an outermost ring of the spherical roller bearing and being angularly rotatable relative to the inner ring.

13. The spherical roller bearing according to claim 12 , wherein the outer ring is axially enlarged with respect to the inner ring by less than twenty percent (20%).

14. The spherical roller bearing according to claim 12 , wherein the outer ring is axially enlarged with respect to the inner ring by less than ten percent (10%).

Assignees

• Skf Ab

Inventors

• Michael Benjamin

Classifications

• F16C33/58

  Raceways; Race rings · CPC title

• F16C19/547

  with two angular contact rolling bearings · CPC title

• F16C19/38

  with two or more rows of rollers · CPC title

• F16C19/54 Primary

  Systems consisting of a plurality of bearings with rolling friction (spindle bearings F16C35/08) · CPC title

• F16C23/086 Primary

  forming a track for rolling elements · CPC title