CN202132383U - Double-layer self-aligning ball bearing - Google Patents
Double-layer self-aligning ball bearing Download PDFInfo
- Publication number
- CN202132383U CN202132383U CN201120209230U CN201120209230U CN202132383U CN 202132383 U CN202132383 U CN 202132383U CN 201120209230 U CN201120209230 U CN 201120209230U CN 201120209230 U CN201120209230 U CN 201120209230U CN 202132383 U CN202132383 U CN 202132383U
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- China
- Prior art keywords
- double
- layer
- rolling element
- rolling bodies
- bearing
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to the technical field of a self-aligning ball bearing, in particular to a centripetal double-layer self-aligning ball bearing. The centripetal double-layer self-aligning ball bearing comprises an outer ring, an inner ring, rolling bodies and a retainer, wherein outer-layer rolling bodies and inner-layer rolling bodies are arranged between the outer ring and the inner ring, and the inner diameter of the outer-layer rolling bodies is larger than that of the inner-layer rolling bodies. A bearing middle sleeve is additionally arranged between the outer-layer rolling bodies and the retainer. According to the double-layer self-aligning ball roller pin, the rotating speed of each row of rolling bodies is sharply declined, and the friction coefficient is greatly reduced. The double-layer self-aligning ball roller pin has high bearing capability, reasonable design and long service life and can reply different load bearing requirements.
Description
Technical field
The utility model relates to the selfaligning ball bearing technical field, especially a kind of entad double-deck selfaligning ball bearing.
Background technique
Bearing all is able to use widely on some equipment of all trades and professions and utensil, practical situations such as load of estimating to carry to structural feature, the bearing of equipment and Environmental Conditions, and it is varied that the kind model of bearing also appears, complete.When common selfaligning ball bearing carried high speed rotating, the outer footpath of roller one end was different with inner footpath one end rotating speed sometimes, and it is bigger to wear and tear, and has a strong impact on working life.
The model utility content
The technical problem that the utility model will solve is: for overcoming the above problems, the entad double-deck selfaligning ball bearing of a kind of long-life, high-mechanic is provided.
The utility model solves the technological scheme that its technical problem adopted: a kind of double-deck selfaligning ball bearing; Comprise the outer ring, inner ring, rolling element and retainer; Outer rolling element and internal layer rolling element are housed between outer ring and the inner ring, and the internal diameter of outer rolling element is greater than the internal layer rolling element.Add the bearing middle cover between outer rolling element and the retainer.Internal layer rolling element and retainer thereof are contained on the recessed raceway of internal surface of recessed raceway and middle cover on the outer surface of bearing inner race, and outer rolling element and retainer thereof are contained on the recessed raceway of outer surface of recessed raceway and middle cover on the internal surface of bearing outer ring.
The beneficial effect of the utility model is, the double-deck spherical ball needle roller of the utility model makes the rotating speed of every row's rolling element descend greatly, and friction factor reduces greatly, and bearing capacity is high, and is reasonable in design, can tackle different burden requirements, long service life.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the structural representation of the utility model.
1. outer rings among the figure, 2. inner ring, 3. outer rolling element, 4. internal layer rolling element, 5. retainer.
Embodiment
Combine accompanying drawing that the utility model is done further detailed explanation now.These accompanying drawings are the schematic representation of simplification, the basic structure of the utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
A kind of double-deck selfaligning ball bearing as shown in Figure 1 comprises outer ring 1, inner ring 2, and rolling element and retainer 5 are equipped with outer rolling element 3 and internal layer rolling element 4 between outer ring 1 and the inner ring 2, and the internal diameter of outer rolling element 3 is greater than internal layer rolling element 4.Add the bearing middle cover between outer rolling element 3 and the retainer 5.Internal layer rolling element 4 and retainer 5 thereof are contained on the recessed raceway of internal surface of recessed raceway and middle cover on the outer surface of bearing inner race 2, and outer rolling element 3 and retainer 5 thereof are contained on the recessed raceway of outer surface of recessed raceway and middle cover on the internal surface of bearing outer ring.
With above-mentioned desirable embodiment according to the utility model is enlightenment, and through above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this model utility technological thought.The technical scope of this model utility is not limited to the content on the specification, must confirm its technical scope according to the claim scope.
Claims (3)
1. double-deck selfaligning ball bearing; It is characterized in that: comprise outer ring (1), inner ring (2), rolling element and retainer (5); Outer rolling element (3) and internal layer rolling element (4) are housed between described outer ring (1) and the inner ring (2), and the internal diameter of described outer rolling element (3) is greater than internal layer rolling element (4).
2. double-deck selfaligning ball bearing according to claim 1 is characterized in that: add the bearing middle cover between described outer rolling element (3) and the retainer (5).
3. double-deck selfaligning ball bearing according to claim 1; It is characterized in that: described internal layer rolling element (4) and retainer (5) thereof are contained on the recessed raceway of internal surface of recessed raceway and middle cover on the outer surface of bearing inner race (2), and described outer rolling element (3) and retainer (5) thereof are contained on the recessed raceway of outer surface of recessed raceway and middle cover on the internal surface of bearing outer ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120209230U CN202132383U (en) | 2011-06-20 | 2011-06-20 | Double-layer self-aligning ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120209230U CN202132383U (en) | 2011-06-20 | 2011-06-20 | Double-layer self-aligning ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202132383U true CN202132383U (en) | 2012-02-01 |
Family
ID=45521151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120209230U Expired - Fee Related CN202132383U (en) | 2011-06-20 | 2011-06-20 | Double-layer self-aligning ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202132383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838461A (en) * | 2019-03-20 | 2019-06-04 | 江苏持华轴承有限公司 | A kind of high-speed bearing of self-lubricating |
-
2011
- 2011-06-20 CN CN201120209230U patent/CN202132383U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838461A (en) * | 2019-03-20 | 2019-06-04 | 江苏持华轴承有限公司 | A kind of high-speed bearing of self-lubricating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20120620 |