Back to results
US 2017/0370411 A1Published application
Taper roller bearing
AssigneeJtekt Corporation
InventorsShigeo KAMAMOTO, Junji MURATA, Yuki SHISHIHARA
Life of this patent
Estimating the term…
Abstract
A taper roller bearing includes: an inner ring, an outer ring, a plurality of taper rollers, and an annular cage. The cage includes a small-diameter annular portion on one axial side, a large-diameter annular portion on the other axial side, and a plurality of column portions. A radial inner surface of the column portion is provided along a second virtual taper surface that is in the vicinity of a first virtual taper surface including a center line of the plurality of taper rollers, across the entire length in the longitudinal direction of the column portion.
Claims5
A taper roller bearing comprising:
- an inner ring which includes a small flange that is positioned on one side in an axial direction and protrudes to an outer side in a radial direction, and a large flange that is positioned on the other axial side and protrudes to the outer side in the radial direction;
- an outer ring which is positioned on the outer side in the radial direction of the inner ring;
- a plurality of taper rollers which are positioned between the inner ring and the outer ring;
- and
- an annular cage which holds the plurality of taper rollers at an interval in the circumferential direction,
- wherein the cage includes a small-diameter annular portion which is positioned on one side, a large-diameter annular portion which is positioned on the other side, and a plurality of column portions which link the small-diameter annular portion and the large-diameter annular portion to each other, and
- wherein an inner surface in the radial direction of each of the column portions is positioned along a second virtual taper surface which is in the vicinity of a first virtual taper surface including center lines of the plurality of taper rollers or which fits the first virtual taper surface, across an entire length in a longitudinal direction of the column portions.
4 more elements
Dependencies are inferred from the claim text.