CN107830058A - Rolling bearing and its bearing ring - Google Patents
Rolling bearing and its bearing ring Download PDFInfo
- Publication number
- CN107830058A CN107830058A CN201711219109.4A CN201711219109A CN107830058A CN 107830058 A CN107830058 A CN 107830058A CN 201711219109 A CN201711219109 A CN 201711219109A CN 107830058 A CN107830058 A CN 107830058A
- Authority
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- China
- Prior art keywords
- bearing
- circular arc
- raceway
- lasso
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
Abstract
The present invention relates to technical field of bearings, more particularly to rolling bearing and its bearing ring.Rolling bearing includes two bearing rings being adapted to and the rolling element between two bearing rings, a fixation lasso to be fixed when using in two bearing rings, one rotation lasso to be rotated during use relative to fixed cover circle, the raceway rolled for rolling element is equipped with fixed lasso and rotation lasso, include circular arc carrying section and circular arc non-bearing section on fixed lasso, the raceway radius of circular arc carrying section is r3Meet relation：(2(r2+Dw)‑r1) ＜ r3＜ r1；Or the fixed lasso is bearing inner race, the raceway radius of circular arc carrying section is r3Meet relation：r1＜ r3＜ (2 (r2‑Dw)‑r1).During rolling bearing operates, radial position difference caused by bearing inner race reduces in the case that rolling element odd number is pressurized with even number compression, " running vibration " amplitude of rolling element reduces, and bearing life caused by so as to solve the problems, such as the rolling element of current rolling bearing because " running vibration " amplitude is larger is low.
Description
Technical field
The present invention relates to technical field of bearings, more particularly to rolling bearing and its bearing ring.
Background technology
The bearing ring of rolling bearing has two, and as shown in Figures 1 to 4, one of them is bearing inner race 10, and another is
One is fixation lasso fixed when in use in bearing outer ring 20, bearing inner race 10 and bearing outer ring 20, and another is use
When the rotation lasso that rotates, rolling element 30 is provided between bearing inner race 10 and bearing outer ring 20, due to the discrete type of rolling element 30
And end-play existing for bearing itself, " running vibration " be present during rotation in rolling bearing, i.e., bearing inner race 10 and
The bob that amplitude is δ in rotation process be present in the axle on bearing inner race.《Bearing》Periodical 2007 11 is interim
That publishes is entitled《" running vibration " of rolling bearing》Paper in recorded " running vibration " principle of rolling bearing, work as rolling
When the rolling element 30 of dynamic bearing is by carrying section 40, the position of rolling element 30 can be in fig. 1 and 2 between shown two states
In periodic change, in Fig. 1 and Fig. 3, the rolling element 30 of compression is odd number, and in fig. 2, the rolling element 30 of compression is even
Number, and state is symmetric on the both sides of load position, under load effect, bearing inner race produces footpath relative to outer ring
It is this because of rolling element 30 as shown in figure 4, radial position difference caused by both state lower bearing inner rings 10 is δ to displacement
Vibration caused by difference is put just as the fluctuating occurred when people walks, " running vibration " can be referred to as.Rolling element " strides
Amplitude conference causes bear vibration amplitude big for bounce ", the problem of so as to cause bearing life low.
The content of the invention
It is an object of the invention to provide a kind of rolling bearing, to solve the rolling element of current rolling bearing due to " striding
The problem of bounce " bearing life caused by amplitude is larger is low；In addition, the present invention also aims to provide a kind of above-mentioned axis of rolling
Hold used bearing ring.
To achieve the above object, the first technical scheme of rolling bearing of the invention is：Rolling bearing includes two and fitted
The bearing ring and the rolling element between two bearing rings matched somebody with somebody, consolidate for what is fixed when using for one in two bearing rings
Determine lasso, the rotation lasso rotated when another is uses relative to fixed cover circle, fix lasso and rotate being equipped with confession on lasso
The raceway that rolling element rolls, fixing on lasso includes circular arc carrying section and circular arc non-bearing section, the raceway half of circular arc non-bearing section
Footpath is r1, it is r to rotate lasso raceway radius2, a diameter of D of rolling elementw, the raceway radius of circular arc carrying section is r3, the fixation
Lasso is bearing outer ring, and the raceway radius of circular arc carrying section is r3Meet relation：(2(r2+Dw)-r1) ＜ r3＜ r1；It is or described
Fixed lasso is bearing inner race, and the raceway radius of circular arc carrying section is r3Meet relation：r1＜ r3＜ (2 (r2-Dw)-r1)。
Second of technical scheme of rolling bearing of the present invention be：On the basis of the first technical scheme of the present invention,
The fixed lasso is bearing outer ring, and the raceway radius of the circular arc carrying section is the diameter of rolling element and the raceway of rotation lasso
Radius sum, i.e. r3=(r2+Dw)；Or the fixed lasso is bearing inner race, the raceway radius of the circular arc carrying section is to turn
The difference of the raceway radius of dynamic lasso and the diameter of rolling element, i.e. r3=(r2-Dw)。
The third technical scheme of rolling bearing of the present invention is：On the basis of second of technical scheme of the present invention,
The fixed lasso is bearing outer ring, and origin, fixation is in the center of circle of circle where the raceway to fix circular arc non-bearing section on lasso
The two orthogonal radiuses justified on lasso where the raceway of circular arc non-bearing section are x, y-axis establishes coordinate system, circular arc carrying
The raceway of section is positive towards y-axis, and the raceway of circular arc carrying section is symmetrical on y-axis, the circle where the raceway of circular arc carrying section
Equation is：x2+(y+e)2=r3 2, Formula
In, r3=r2+Dw；Wherein Z is rolling element number.
The 4th kind of technical scheme of rolling bearing of the present invention be：On the basis of second of technical scheme of the present invention,
The fixed lasso is bearing inner race, and origin, fixation is in the center of circle of circle where the raceway to fix circular arc non-bearing section on lasso
The two orthogonal radiuses justified on lasso where the raceway of circular arc non-bearing section are x, y-axis establishes coordinate system, circular arc carrying
The raceway of section is positive towards y-axis, and the raceway of circular arc carrying section is symmetrical on y-axis, the circle where the raceway of circular arc carrying section
Equation is：x2+(y+e)2=r3 2, Formula
In, r3=r2-Dw；Wherein Z is rolling element number.
The 5th kind of technical scheme of rolling bearing of the present invention be：The present invention the first to any one in the 4th kind
On the basis of technical scheme, the circular arc carrying section sets at least two.
The first technical scheme of bearing ring of the present invention is：The fixation lasso that bearing ring is fixed when being and using, Gu
Determining lasso includes circular arc carrying section and circular arc non-bearing section, and the raceway radius of circular arc non-bearing section is r1, for fixing lasso
The rotation lasso raceway radius of adaptation is r2, for a diameter of D for the rolling element being arranged between fixed lasso and bearing ringw,
The raceway radius of circular arc carrying section is r3, the fixed lasso is bearing outer ring, and the raceway radius of circular arc carrying section is r3Meet to close
System：(2(r2+Dw)-r1) ＜ r3＜ r1；Or the fixed lasso is bearing inner race, the raceway radius of circular arc carrying section is r3It is full
Sufficient relation：r1＜ r3＜ (2 (r2-Dw)-r1)。
Second of technical scheme of bearing ring of the present invention be：On the basis of the first technical scheme, the fixation
Lasso is bearing outer ring, the raceway radius of circular arc carrying section for rolling element diameter with rotate lasso raceway radius it
With i.e. r3=(r2+Dw)；Or the fixed lasso is bearing inner race, the raceway radius of the circular arc carrying section is rotation lasso
Raceway radius and rolling element diameter difference, i.e. r3=(r2-Dw)。
The third technical scheme of bearing ring of the present invention is：On the basis of second of technical scheme, the fixation
Lasso is bearing outer ring, centered on the center of circle of circle where the raceway of circular arc non-bearing section, where the raceway of circular arc non-bearing section
Two round orthogonal radiuses are x, y-axis establishes coordinate system, and the raceway of circular arc carrying section is positive towards y-axis, and circular arc is held
Load section raceway is symmetrical on y-axis, and the equation of the circle where the raceway of circular arc carrying section is：x2+(y+e)2=r3 2,In formula, r3=r2+Dw；Wherein Z is
Rolling element number.
The 4th kind of technical scheme of bearing ring of the present invention be：On the basis of second of technical scheme, the fixation
Lasso is bearing inner race, centered on the center of circle of circle where the raceway of circular arc non-bearing section, where the raceway of circular arc non-bearing section
Two round orthogonal radiuses are x, y-axis establishes coordinate system, and the raceway of circular arc carrying section is positive towards y-axis, and circular arc is held
Load section raceway is symmetrical on y-axis, and the equation of the circle where the raceway of circular arc carrying section is：x2+(y+e)2=r3 2,In formula, r3=r2-Dw；Wherein Z is
Rolling element number.
The 5th kind of technical scheme of bearing ring of the present invention be：At the first to any one technical scheme in the 4th kind
On the basis of, the circular arc carrying section sets at least two.
Beneficial effects of the present invention are：When fixed lasso is bearing outer ring, the circular arc carrying section of rolling bearing of the invention
Raceway radius meet：(2(r2+Dw)-r1) ＜ r3＜ r1, during rolling bearing operates, rolling element odd number is pressurized and even number
Radial position difference caused by bearing inner race reduces in the case of compression, and " running vibration " amplitude of rolling element reduces, similarly, Gu
When to determine lasso be bearing inner race, the amplitude that strides of rolling element also reduces, so as to solve the rolling element of current rolling bearing by
In bearing life caused by " running vibration " amplitude is larger is low the problem of.
Further, the fixed lasso is bearing outer ring, and the raceway radius of the circular arc carrying section is the straight of rolling element
Footpath and the raceway radius sum for rotating lasso, i.e. r3=(r2+Dw)；Or the fixed lasso is bearing inner race, the circular arc is held
Carry section raceway radius for rotate lasso raceway radius and rolling element diameter difference, i.e. r3=(r2-Dw), make rolling element
The amplitude of " running vibration " is minimum, further improves the life-span of bearing.
Further, circular arc carrying section sets at least two, rolling bearing is had different Installation postures, convenient peace
Dress.
Brief description of the drawings
Fig. 1 is that to turn to the rolling element being pressurized during first position be even number to the bearing inner race in the prior art in rolling bearing
View；
Fig. 2 is that to turn to the rolling element being pressurized during the second place be radix to the bearing inner race in the prior art in rolling bearing
View；
Fig. 3 is that to turn to the rolling element being pressurized during three positions be even number to the bearing inner race in the prior art in rolling bearing
View；
Fig. 4 is rolling element " running vibration " analysis in the prior art and bounce curve expansion comparison diagram；
Fig. 5 is the structural representation of the specific embodiment 1 of the rolling bearing of the present invention (part rolling element is not shown)；
Fig. 6 is the rough schematic view of the specific embodiment 1 of the rolling bearing of the present invention；
Fig. 7 is the machined parameters schematic diagram of the specific embodiment 1 of the rolling bearing of the present invention；
Fig. 8 is the enlarged drawing of part A in Fig. 7；
Fig. 9 is the machined parameters schematic diagram of the specific embodiment 2 of the rolling bearing of the present invention；
Figure 10 is the enlarged drawing of part B in Fig. 9.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment 1 of the rolling bearing of the present invention, as shown in Figure 5 and Figure 6, rolling bearing includes two bearing holder (housing, cover)s
Circle, to rotate lasso 1, another is fixed lasso 2 for one of them.Rotate and retainer 4 is set between lasso 1 and fixed lasso 2
With rolling element 3.
Fixation lasso 2 in the present embodiment is bearing outer ring, and rotation lasso 1 is bearing inner race.Rotate lasso 1 and fixed cover
The raceway rolled for rolling element 3 is respectively provided with circle 2, fixed lasso 2 is provided with circular arc carrying section 21 and circular arc non-bearing section 22.Such as
Shown in Fig. 7 and Fig. 8, the raceway radius of circular arc non-bearing section 22 is r1=70mm, it is r to rotate the raceway radius of lasso 12=
54.95mm, a diameter of D of rolling element 3w=15mm, 3 number Z=14 of rolling element, the half of circle where the raceway of circular arc carrying section 21
Footpath is that the raceway radius of circular arc carrying section 21 is r3。
Using the center of circle of circle where the raceway of circular arc non-bearing section 22 as circle where coordinate origin, circular arc non-bearing section 22
Two orthogonal radiuses are x, y-axis establishes coordinate system, and the raceway of circular arc carrying section 21 is positive towards y-axis, and circular arc carries
The raceway of section 21 is symmetrical on y-axis, and circle M equation is where the raceway of circular arc non-bearing section 22 on fixed lasso 2：x2+y2=
702,
Circle N equation where the raceway of circular arc carrying section 21 is：
x2+(y+e)2=r3 2,
In formula, r3=r2+Dw；Wherein Z is 3 numbers of rolling element.
After substituting into numerical value：
r4=54.95+15=69.95 (mm).
The equation of circle is where the circular arc carrying raceway of section 21：x2+(y+0.0555)2=69.952。
The equation of circle where the equation of circle where the raceway for carrying section 21 according to circular arc and the raceway of circular arc non-bearing section 22
The fixed lasso 2 of processing, the fixation lasso 2 after machining carry out trap with rotating lasso 1, rolling element 3, retainer, you can
Obtain a kind of ultralow vibration rolling bearing.Circular arc carries the raceway radius length r of section 213=r2+Dw, rolling element 3 holds in circular arc
When carrying on the raceway of section 21, as shown in fig. 6, either odd number rolling element 3 is pressurized or even number rolling element 3 is pressurized, circular arc
Circle where raceway of the circle with rotating lasso 1 where carrying the raceway of section 21 is arranged concentrically all the time, and rolling element 3 is not in " to stride
Bounce " phenomenon, avoids the influence of " running vibration " to bear vibration.
The circular arc carrying minimum point of section 21 of the rolling bearing of the present invention is in raceway bottom, to reach optimal use effect
Fruit.In other embodiment, according to the difference in carrying direction, at least two circular arcs can be set to carry section 21, circular arc carrying section 21
Top either left side or right side can also be arranged on.
In other embodiment, in the case where not pursuing ultimate attainment effect, in the raceway radius r of circular arc carrying section 213Meet：
(2(r2+Dw)-r1) ＜ r3＜ r1When, it can reduce " running vibration " amplitude of rolling element 3, mitigate the vibration of rolling bearing, carry
The life-span of high rolling bearing.
The specific embodiment 2 of the rolling bearing of the present invention, structure and the above-mentioned axis of rolling of the rolling bearing in the present embodiment
The specific embodiment 1 held differs only in：As shown in Figure 9 and Figure 10, the bearing inner race of the rolling bearing in the present embodiment is
Fixed lasso 2, now, circular arc carrying section 21 are arranged on bearing inner race, and the fixed raceway radius of lasso 2 is r1, rotate lasso 1 and roll
Road radius is r2, a diameter of D of rolling element 3w, 3 number Z of rolling element, the raceway radius of circular arc carrying section 21 is r3, circular arc carrying
The raceway radius r of section 213Meet：r3=(r2-Dw), the influence of " running vibration " to bear vibration can be avoided.
In the present embodiment, r1=54.95mm, r2=70mm, a diameter of D of rolling element 3w=15mm
Using the center of circle of circle where the raceway of circular arc non-bearing section 22 as circle where coordinate origin, circular arc non-bearing section 22
Two orthogonal radiuses are x, y-axis establishes coordinate system, and the raceway of circular arc carrying section 21 is positive towards y-axis, and circular arc carries
The raceway of section 21 is symmetrical on y-axis, and circle M equation is where the raceway of circular arc non-bearing section 22 on fixed lasso 2：x2+y2=
54.952,
Circle N equation where the raceway of circular arc carrying section 21 is：
x2+(y+e)2=r3 2,
In formula, r3=r2-Dw；Wherein Z is 3 numbers of rolling element.
After substituting into numerical value： r3=70-15=55 (mm).
The equation of circle is where the circular arc carrying raceway of section 21：x2+(y+0.0555)2=552。
In other embodiment, in the case where not pursuing ultimate attainment effect, in the raceway radius r of circular arc carrying section 213Meet r1
＜ r3＜ (2 (r2-Dw)-r1) when, it can reduce " running vibration " amplitude of rolling element 3, mitigate the vibration of rolling bearing, carry
The life-span of high rolling bearing.
The specific embodiment of the bearing ring of the present invention, structure and the above-mentioned rolling bearing of the bearing ring in the present embodiment
Specific embodiment 1 or 2 shown in fixation lasso structure it is identical, do not repeating.
Claims (10)
1. rolling bearing, including two bearing rings being adapted to and the rolling element between two bearing rings, two bearings
A fixation lasso to be fixed when using in lasso, the rotation lasso rotated when another is uses relative to fixed cover circle, Gu
Determine lasso and rotate the raceway for being equipped with lasso and being rolled for rolling element, circular arc carrying section is included on fixed lasso and circular arc is non-holds
Carry section, it is characterised in that：The raceway radius of circular arc non-bearing section is r1, it is r to rotate lasso raceway radius2, rolling element it is a diameter of
Dw, the raceway radius of circular arc carrying section is r3；The fixed lasso is bearing outer ring, and the raceway radius of circular arc carrying section is r3It is full
Sufficient relation：(2(r2+Dw)-r1) ＜ r3＜ r1, or the fixed lasso is bearing inner race, the raceway radius of circular arc carrying section is
r3Meet relation：r1＜ r3＜ (2 (r2-Dw)-r1)。
2. rolling bearing according to claim 1, it is characterised in that：The fixed lasso is bearing outer ring, the circular arc
The raceway radius for carrying section is the raceway radius sum of the diameter and rotation lasso of rolling element, i.e. r3=(r2+Dw)；It is or described
Fixed lasso is bearing inner race, and the raceway radius of the circular arc carrying section is the raceway radius of rotation lasso and the diameter of rolling element
Difference, i.e. r3=(r2-Dw)。
3. rolling bearing according to claim 2, it is characterised in that：The fixed lasso is bearing outer ring, with fixed cover
The center of circle of circle where the raceway of circular arc non-bearing section is origin, fixes circle where the raceway of circular arc non-bearing section on lasso on circle
Two orthogonal radiuses are x, y-axis establishes coordinate system, and the raceway of circular arc carrying section is positive towards y-axis, and circular arc carrying section
Raceway it is symmetrical on y-axis, the equation of circle where the raceway of circular arc carrying section is：x2+(y+e)2=r3 2,In formula, r3=r2+Dw, wherein Z is
Rolling element number.
4. rolling bearing according to claim 2, it is characterised in that：The fixed lasso is bearing inner race, with fixed cover
The center of circle of circle where the raceway of circular arc non-bearing section is origin, fixes circle where the raceway of circular arc non-bearing section on lasso on circle
Two orthogonal radiuses are x, y-axis establishes coordinate system, and the raceway of circular arc carrying section is positive towards y-axis, and circular arc carrying section
Raceway it is symmetrical on y-axis, the equation of circle where the raceway of circular arc carrying section is：x2+(y+e)2=r3 2,In formula, r3=r2-Dw；Wherein Z is
Rolling element number.
5. according to the rolling bearing described in claim any one of 1-4, it is characterised in that：The circular arc carrying section sets at least two
It is individual.
6. bearing ring, bearing ring is the fixation lasso fixed when using, and fixed lasso includes circular arc carrying section and circular arc is non-
Carry section, it is characterised in that：The raceway radius of circular arc non-bearing section is r1, for the rotation lasso raceway being adapted to fixed lasso
Radius is r2, for a diameter of D for the rolling element being arranged between fixed lasso and bearing ringw, the raceway half of circular arc carrying section
Footpath is r3, the fixed lasso is bearing outer ring, and the raceway radius of circular arc carrying section is r3Meet relation：(2(r2+Dw)-r1) ＜
r3＜ r1；Or the fixed lasso is bearing inner race, the raceway radius of circular arc carrying section is r3Meet relation：r1＜ r3＜ (2
(r2-Dw)-r1)。
7. bearing ring according to claim 6, it is characterised in that：The fixed lasso is bearing outer ring, the circular arc
The raceway radius for carrying section is the raceway radius sum of the diameter and rotation lasso of rolling element, i.e. r3=(r2+Dw)；It is or described
Fixed lasso is bearing inner race, and the raceway radius of the circular arc carrying section is the raceway radius of rotation lasso and the diameter of rolling element
Difference, i.e. r3=(r2-Dw)。
8. bearing ring according to claim 7, it is characterised in that：The fixed lasso is bearing outer ring, with fixed cover
The center of circle of circle where the raceway of circular arc non-bearing section is origin, fixes circle where the raceway of circular arc non-bearing section on lasso on circle
Two orthogonal radiuses are x, y-axis establishes coordinate system, and the raceway of circular arc carrying section is positive towards y-axis, and circular arc carrying section
Raceway it is symmetrical on y-axis, the equation of circle where the raceway of circular arc carrying section is：x2+(y+e)2=r3 2,In formula, r3=r2+Dw, wherein Z is
Rolling element number.
9. bearing ring according to claim 7, it is characterised in that：The fixed lasso is bearing inner race, with fixed cover
The center of circle of circle where the raceway of circular arc non-bearing section is origin, fixes circle where the raceway of circular arc non-bearing section on lasso on circle
Two orthogonal radiuses are x, y-axis establishes coordinate system, and the raceway of circular arc carrying section is positive towards y-axis, and circular arc carrying section
Raceway it is symmetrical on y-axis, the equation of circle where the raceway of circular arc carrying section is：x2+(y+e)2=r3 2,In formula, r3=r2-Dw；Wherein Z is
Rolling element number.
10. according to the bearing ring described in claim any one of 6-9, it is characterised in that：The circular arc carrying section is set at least
Two.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910345388.1A CN110043566B (en) | 2017-11-28 | 2017-11-28 | Rolling bearing and bearing ring thereof |
| CN201711219109.4A CN107830058B (en) | 2017-11-28 | 2017-11-28 | Rolling bearing and its bearing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711219109.4A CN107830058B (en) | 2017-11-28 | 2017-11-28 | Rolling bearing and its bearing ring |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910345388.1A Division CN110043566B (en) | 2017-11-28 | 2017-11-28 | Rolling bearing and bearing ring thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107830058A true CN107830058A (en) | 2018-03-23 |
| CN107830058B CN107830058B (en) | 2019-05-31 |
Family
ID=61646281
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910345388.1A Active CN110043566B (en) | 2017-11-28 | 2017-11-28 | Rolling bearing and bearing ring thereof |
| CN201711219109.4A Active CN107830058B (en) | 2017-11-28 | 2017-11-28 | Rolling bearing and its bearing ring |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910345388.1A Active CN110043566B (en) | 2017-11-28 | 2017-11-28 | Rolling bearing and bearing ring thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110043566B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396456A (en) * | 2019-01-02 | 2020-07-10 | 中国航发商用航空发动机有限责任公司 | Rolling bearing, support structure, and support method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007002914A (en) * | 2005-06-23 | 2007-01-11 | Nsk Ltd | Bearing ring split type rolling bearing |
| JP2009293705A (en) * | 2008-06-05 | 2009-12-17 | Ntn Corp | Rocking bearing |
| CN102434589A (en) * | 2011-09-01 | 2012-05-02 | 中国航空动力机械研究所 | Bearing |
| CN204175804U (en) * | 2014-11-06 | 2015-02-25 | 沈阳黎明航空发动机(集团)有限责任公司 | Aeroplane engine main bearing outer shroud three lobe slope structure |
| CN105757124A (en) * | 2016-02-23 | 2016-07-13 | 安徽省宁国顺昌机械有限公司 | High-toughness and high-rigidity rolling bearing |
-
2017
- 2017-11-28 CN CN201910345388.1A patent/CN110043566B/en active Active
- 2017-11-28 CN CN201711219109.4A patent/CN107830058B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007002914A (en) * | 2005-06-23 | 2007-01-11 | Nsk Ltd | Bearing ring split type rolling bearing |
| JP2009293705A (en) * | 2008-06-05 | 2009-12-17 | Ntn Corp | Rocking bearing |
| CN102434589A (en) * | 2011-09-01 | 2012-05-02 | 中国航空动力机械研究所 | Bearing |
| CN204175804U (en) * | 2014-11-06 | 2015-02-25 | 沈阳黎明航空发动机(集团)有限责任公司 | Aeroplane engine main bearing outer shroud three lobe slope structure |
| CN105757124A (en) * | 2016-02-23 | 2016-07-13 | 安徽省宁国顺昌机械有限公司 | High-toughness and high-rigidity rolling bearing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396456A (en) * | 2019-01-02 | 2020-07-10 | 中国航发商用航空发动机有限责任公司 | Rolling bearing, support structure, and support method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110043566A (en) | 2019-07-23 |
| CN110043566B (en) | 2021-07-23 |
| CN107830058B (en) | 2019-05-31 |
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