CN206257161U - A kind of double-row angular contact bal bearing - Google Patents
A kind of double-row angular contact bal bearing Download PDFInfo
- Publication number
- CN206257161U CN206257161U CN201621282060.8U CN201621282060U CN206257161U CN 206257161 U CN206257161 U CN 206257161U CN 201621282060 U CN201621282060 U CN 201621282060U CN 206257161 U CN206257161 U CN 206257161U
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- rolling element
- outer ring
- double
- angular contact
- inner ring
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Abstract
The utility model discloses a kind of double-row angular contact bal bearing, including inner ring, rolling element and outer ring, wherein rolling element is provided with two row, and the rolling element is located between inner ring and outer ring；The inner ring outside is provided with biserial rolling element locating groove, and outer ring inner side is correspondingly provided with biserial rolling element rolling groove；Or the outer ring inner side is provided with biserial rolling element locating groove, inner ring outside is correspondingly provided with biserial rolling element rolling groove.This kind of double-row angular contact bal bearing, substantially increases efficiency of assembling；Equilibrium, the stress that improve load are consistent, it is to avoid stress concentration；Substantially increase bearing reliability；And its xial feed power is strong, high precision, concentricity uniformity are strong, assembling property is good, can omit clearance adjustment, the advantages of lightweight, compact conformation, load bearing capacity are big, be easy to adjustment, good stability, grease lubrication reduction rub；Its service life is substantially increased, can be used for precise ball screw, it is easy to utilize on gear-box and various axles.
Description
Technical field
The utility model is related to a kind of bearing, is specifically related to a kind of double-row angular contact bal bearing.
Background technology
Growing with plant equipment etc., bearing is needed as a kind of union piece for playing transmission and supporting role
Asking increasingly increases.The industry for commonly using at present has：Automotive hub, automobile air conditioner clutch, automobile electromagnetic from device, automobile water
Pump, machine tool chief axis, motor, ball screw industry etc..Kinds of bearings is a lot, wherein because angular contact ball bearing can simultaneously bear footpath
To load and axial load, so that the scope of application is wider；And the more single-row angular contact ball bearing of double-row angular contact bal bearing performance is more
It is welcome.Double-row angular contact bal bearing can bear radial load and act on the axial load of both direction, and it can limit axle
Or shell bi-directional axial displacement, can provide rigidity Bearing configuration higher, and tilting moment can be born.Its limit speed compared with
Height, rigidity is good, can bear that tilting moment is big, and (vehicle having is also double with same size in being widely used in the front-wheel hub of car
Row tapered roller bearing).
In the course of work, the reliability of bearing directly affects transmission accuracy and its service life, therefore for the matter of bearing
Amount requires very harsh.Traditional bearing is made up of inner ring, rolling element, retainer and outer ring, and this structure causes it in life
Produce assembly line difficult, cost is high, poor reliability, and during maintenance, in addition it is also necessary to bearing clearance is adjusted.
And state's inner bearing supply is monopolized by international famous brand always, domestic bearing mnanufacture manufacturer can only do some low-end markets
Or selling market, reason of searching to the bottom is exactly that many key technology Gui Nei producers of Production of bearing are all difficult to the prominent of matter always
It is broken.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of double-row angular contact bal bearing, the angular contact ball axle
Holding the problems such as effectively solve existing assembling difficulty, cost high, poor reliability and be difficult regulation.
Technical problem to be solved in the utility model is realized using following technical scheme：
A kind of double-row angular contact bal bearing, including inner ring, rolling element and outer ring, wherein rolling element are provided with two row, and described
Rolling element is located between inner ring and outer ring；The inner ring outside is provided with biserial rolling element locating groove, and outer ring inner side is correspondingly provided with double
Row rolling element rolling groove；
Or the outer ring inner side is provided with biserial rolling element locating groove, inner ring outside is correspondingly provided with biserial rolling element rolling groove.
The utility model further improvement is that：The rolling element is adapted with rolling element locating groove.
The utility model further improvement is that：Rolling element locating groove on the inside of the inner ring outside or outer ring is uniform point
Cloth.
The utility model further improvement is that：The rolling element hardness is 61~68HRC.
The utility model further improvement is that：Two ends between the inner ring and outer ring are equipped with sealing ring.
The utility model further improvement is that：The inner ring, the cavity constituted between rolling element, outer ring and sealing ring are filled out
Fill profit grease.
The utility model further improvement is that：The grease-filled amount of profit is 25%~35%.
The utility model further improvement is that：Between the rolling element locating groove ditch footpath difference be respectively less than 0.004mm~
0.006mm；And the bearing axial play is 0.004~0.02mm, 0.002~0.01mm of the bearing end-play.
The utility model further improvement is that：The contact angle of bearing is 15 °~60 °.
The beneficial effects of the utility model are：
1st, the bearing uses split type inner ring and outer ring, on the one hand, substantially increase efficiency of assembling；On the other hand, disperse
The active force of rolling element pressure-bearing so that the active force of relatively uniform distribution is remained between two row rolling elements, load is improve
Equilibrium, stress it is consistent, it is to avoid stress concentration；And can adjust two row rolling elements when bearing receives axial compressive force or tilting moment
Distance, keeps two row rolling elements to be acted in appropriately distance, it can be seen that, using split type inner ring and outer ring, substantially increase
Bearing reliability and life-span.
2nd, bearing inner race outside or outer ring inner side use rolling element locating groove, it is ensured that the two row rolling elements rotation of bearing
When rate uniformity, so as to reduce two row bearing roller speed discrepancies, improve the utilization rate of bearing；Additionally, ditch is through difference
Requirement, it is ensured that during operating, the uniformity of raceway groove linear velocity reduces damage of the rolling element sliding friction to working surface,
Substantially increase the service life of bearing.
3rd, the utility model increased the contact area of rolling element and bearing body (inner ring outside or outer ring inner side), so that
Xial feed power is strong, high precision, concentricity uniformity are strong, and assembling property is good, can omit clearance and adjust, lightweight, compact conformation,
The advantages of load bearing capacity is big, be easy to adjustment, good stability, grease lubrication reduction rub；Its service life is substantially increased, can be with
It is easy to utilize on gear-box and various axles for precise ball screw.
Brief description of the drawings
Fig. 1 is the utility model cross-sectional view；
Fig. 2 is the inner ring structure schematic diagram of the utility model specific embodiment one；
Fig. 3 is the outer ring structure schematic diagram of the utility model specific embodiment one；
Fig. 4 is the inner ring structure schematic diagram of the utility model specific embodiment two；
Fig. 5 is the outer ring structure schematic diagram of the utility model specific embodiment two.
Wherein：1- inner rings, 2- rolling elements, 3- outer rings, 4- rolling element locating grooves, 5- rolling element rolling grooves, 6- sealing rings.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Specific embodiment one：
As shown in Figures 1 to 3, a kind of double-row angular contact bal bearing, including inner ring 1, rolling element 2 and outer ring 3, wherein rolling element
2 are provided with two row, and the rolling element 2 is located between inner ring 1 and outer ring 3；The outside of the inner ring 1 is provided with biserial rolling element locating groove
4, the inner side of outer ring 3 is correspondingly provided with biserial rolling element rolling groove 5；Wherein rolling element 2 is adapted with rolling element locating groove 4.
The rolling element locating groove 4 in the outside of the inner ring 1 is to be uniformly distributed；Then so that being protected all the time between two row rolling elements 2
The active force of relatively uniform distribution is held, the equilibrium of load is improve, it is to avoid stress concentration；Further increase the use of the bearing
Life-span.
Two ends between the inner ring 1 and outer ring 3 are equipped with sealing ring 6；And inner ring 1, rolling element 2, outer ring 3 and sealing ring
The cavity filling profit grease constituted between 6；When bearing runs at high speed, the lubrication between rolling element 2 and inner ring 1, outer ring 3 is significantly
Acting friction each other is reduced, so as to increased the service life of the bearing.
The hardness of the rolling element 2 is 61HRC；The grease-filled amount of profit is 35%.
Ditch footpath difference between the rolling element locating groove 4 is respectively less than 0.004mm；And the bearing axial play is 0.004mm,
Bearing end-play 0.002mm.
The contact angle of bearing is 30 °.
Specific embodiment two：
As shown in Fig. 1,4 and 5, a kind of double-row angular contact bal bearing, including inner ring 1, rolling element 2 and outer ring 3, wherein rolling
Body 2 is provided with two row, and the rolling element 2 is located between inner ring 1 and outer ring 3；The inner side of the outer ring 3 is provided with biserial rolling element positioning
Ditch 4, the outside of inner ring 1 is correspondingly provided with biserial rolling element rolling groove 5；Wherein rolling element 2 is adapted with rolling element locating groove 4.
The rolling element locating groove 4 of the inner side of the outer ring 3 is to be uniformly distributed；So that remaining phase between two row rolling elements 2
To equally distributed active force, the equilibrium of load is improve, it is to avoid stress concentration；Further increase the use longevity of the bearing
Life.
Two ends between the inner ring 1 and outer ring 3 are equipped with sealing ring 6；And inner ring 1, rolling element 2, outer ring 3 and sealing ring
The cavity filling profit grease constituted between 6；When bearing runs at high speed, the lubrication between rolling element 2 and inner ring 1, outer ring 3 is significantly
Acting friction each other is reduced, so as to increased the service life of the bearing.
The hardness of the rolling element 2 is 68HRC.
The grease-filled amount of profit is 25%.
Ditch footpath difference between the rolling element locating groove 4 is respectively less than 0.006mm；And the bearing axial play is 0.02mm,
Bearing end-play 0.01mm.
The contact angle of bearing is 32 °.
The utility model provides a kind of double-row angular contact bal bearing, and the bearing uses split type inner ring and outer ring, carries significantly
Efficiency of assembling high；So that remain the active force of relatively uniform distribution between two row rolling elements, improve load equilibrium,
Stress is consistent, it is to avoid stress concentration；Substantially increase bearing reliability.And inner ring outside or outer ring inner side are using rolling element positioning
Ditch, it is ensured that rate uniformity when two row rolling elements of bearing rotate, so as to reduce two row bearing roller speed discrepancies, carries
The utilization rate of bearing high；Damage of the rolling element sliding friction to working surface is reduced, the use longevity of bearing is substantially increased
Life.
The utility model increased the contact area of rolling element and bearing body (inner ring outside or outer ring inner side), so that axle
To load force is strong, high precision, concentricity uniformity are strong, assembling property is good, can omit clearance adjustment, lightweight, compact conformation, load
The advantages of lotus capacity is big, be easy to adjustment, good stability, grease lubrication reduction rub；Substantially increase its service life, Ke Yiyong
It is easy to utilize on precise ball screw, gear-box and various axles.
General principle of the present utility model, principal character and advantage has been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally
The principle of utility model, on the premise of the utility model spirit and scope are not departed from, the utility model also has various change
And improvement, these changes and improvements are both fallen within the range of claimed the utility model.The utility model claims scope
By appending claims and its equivalent thereof.
Claims (9)
1. a kind of double-row angular contact bal bearing, including inner ring, rolling element and outer ring, wherein rolling element are provided with two row, and the rolling
Kinetoplast is located between inner ring and outer ring；It is characterized in that：The inner ring outside is provided with biserial rolling element locating groove, and outer ring inner side is right
Biserial rolling element rolling groove should be provided with；
Or the outer ring inner side is provided with biserial rolling element locating groove, inner ring outside is correspondingly provided with biserial rolling element rolling groove.
2. a kind of double-row angular contact bal bearing according to claim 1, it is characterised in that：The rolling element is determined with rolling element
Position ditch is adapted.
3. a kind of double-row angular contact bal bearing according to claim 1, it is characterised in that：In the inner ring outside or outer ring
The rolling element locating groove of side is to be uniformly distributed.
4. a kind of double-row angular contact bal bearing according to claim 1, it is characterised in that：The rolling element hardness be 61~
68HRC。
5. a kind of double-row angular contact bal bearing according to claim 1, it is characterised in that：Between the inner ring and outer ring
Two ends are equipped with sealing ring.
6. a kind of double-row angular contact bal bearing according to claim 5, it is characterised in that：The inner ring, rolling element, outer ring
The cavity filling profit grease constituted and sealing ring between.
7. a kind of double-row angular contact bal bearing according to claim 6, it is characterised in that：The grease-filled amount of the profit is
25%~35%.
8. a kind of double-row angular contact bal bearing according to claim 1, it is characterised in that：Between the rolling element locating groove
Ditch footpath difference be respectively less than 0.004mm~0.006mm；And the bearing axial play is 0.004~0.02mm, the bearing end-play
0.002~0.01mm.
9. a kind of double-row angular contact bal bearing according to claim 1, it is characterised in that：The contact angle of bearing be 15 °~
60°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621282060.8U CN206257161U (en) | 2016-11-25 | 2016-11-25 | A kind of double-row angular contact bal bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621282060.8U CN206257161U (en) | 2016-11-25 | 2016-11-25 | A kind of double-row angular contact bal bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206257161U true CN206257161U (en) | 2017-06-16 |
Family
ID=59026136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621282060.8U Active CN206257161U (en) | 2016-11-25 | 2016-11-25 | A kind of double-row angular contact bal bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206257161U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640949A (en) * | 2016-11-25 | 2017-05-10 | 秦劳（上海）实业有限公司 | Double-row angular contact ball bearing |
-
2016
- 2016-11-25 CN CN201621282060.8U patent/CN206257161U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640949A (en) * | 2016-11-25 | 2017-05-10 | 秦劳（上海）实业有限公司 | Double-row angular contact ball bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190228 Address after: No. 16 Industrial Park Road, Baota Town, Jianhu County, Yancheng City, Jiangsu Province Patentee after: Jiangsu Qingui Intelligent Technology Co.,Ltd. Address before: Room 308, Building 2, No. 560, Qiangjia Road, Luxiang Town, Jinshan District, Shanghai, 200540 Patentee before: QINLAO (SHANGHAI) INDUSTRIAL CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Double-row angular contact ball bearing Effective date of registration: 20190523 Granted publication date: 20170616 Pledgee: Bank of China Limited Jianhu Branch Pledgor: Jiangsu Qingui Intelligent Technology Co.,Ltd. Registration number: 2019320000245 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220708 Granted publication date: 20170616 Pledgee: Bank of China Limited Jianhu Branch Pledgor: Jiangsu Qingui Intelligent Technology Co.,Ltd. Registration number: 2019320000245 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |