CN203441971U - Self-aligning ball bearing - Google Patents
Self-aligning ball bearing Download PDFInfo
- Publication number
- CN203441971U CN203441971U CN201320215965.3U CN201320215965U CN203441971U CN 203441971 U CN203441971 U CN 203441971U CN 201320215965 U CN201320215965 U CN 201320215965U CN 203441971 U CN203441971 U CN 203441971U
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- China
- Prior art keywords
- bearing
- outer ring
- inner race
- arc
- ball bearing
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Abstract
The utility model discloses a self-aligning ball bearing which comprises a bearing outer ring, a bearing inner ring and rolling bodies, wherein the bearing outer ring is mounted on the outer side of the bearing inner ring in a sleeving manner; the inner surface of the bearing outer ring and the outer surface of the bearing inner ring form a pair of opposite surfaces; an arc-shaped track is arranged on the inner surface of the bearing outer ring; a plurality of arc grooves are formed in the outer surface of the bearing inner ring; a rolling body is clamped between the arc-shaped track and each arc groove; a retaining frame used for fixing the rolling bodies is arranged between the bearing outer ring and the bearing inner ring. According to the self-aligning ball bearing, the inner surface of the bearing outer ring adopts an arc-shaped spherical surface, and two or more rows of steel balls are arranged in the bearing, so that the alignment of an axis and a supporting seat hole can be greatly adjusted, and the self-aligning capability is good; the retaining frame is a chrysanthemum-shaped retaining frame and has a good fixing effect, so that the service life of the bearing is prolonged.
Description
Technical field
The utility model relates to technical field of bearings, especially a kind of selfaligning ball bearing.
Background technique
Selfaligning ball bearing has cylindrical hole and two kinds of structures of conical bore, and the material of retainer has steel plate, synthetic resin etc.Be characterized in that outer ring raceway is spheric, there is self-aligning, can compensate nonconcentricity and make with shaft deflection the error that selfaligning ball bearing becomes, but its inside and outside circle relative tilt degree must not surpass 3 degree.Article two, between the outer ring that the inner ring of raceway and raceway are sphere, be equipped with the bearing of spherical shape ball.The centre of curvature of outer ring raceway face is consistent with bearing centre, so have the aligning function same with self-aligning ball bearing.When there is deflection in axle, shell, can automatically adjust, do not increase bearing burden, selfaligning roller bearing can bear the axial load of radial load and two directions.Radial load ability is large, is applicable to the situation of heavy load, impact load.
Selfaligning ball bearing has cylindrical hole and two kinds of structures of conical bore, and the material of retainer has steel plate, synthetic resin etc.Be characterized in that outer ring raceway is spheric, there is self-aligning, can compensate the error that nonconcentricity causes selfaligning ball bearing to become with shaft deflection, but its inside and outside circle relative tilt degree must not surpass 3 degree, can bear larger radial load, also can bear certain thrust load simultaneously.Such bearing outer ring ball track is spheric, thus there is aligning performance, when the stressed bending of axle or inclination and while making inner ring center line and outer ring center line relative tilt be no more than 1 °～2.5 °, bearing endure.
On market, the self-aligning ability of existing selfaligning bearing is poor, and the inside and outside circle relative tilt of bearing angular adjustment scope is little, the traditional retainer of the many uses of bearing steel ball retainer, and fixed effect is bad, can reduce widely the working life of bearing.
Model utility content
The purpose of this utility model is in order to solve the existing defect of selfaligning bearing in prior art, provides a kind of self-aligning ability strong, the selfaligning bearing of retainer good fixing effect.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of selfaligning ball bearing, comprise bearing outer ring, bearing inner race, rolling element, described bearing outer ring is sleeved on the outside of bearing inner race, the internal surface of bearing outer ring and the outer surface of bearing inner race form a pair of opposed side face, as improvement of the present utility model, the internal surface of described bearing outer ring is provided with an arc track, and the outer surface of bearing inner race is provided with a plurality of arc grooves, and described rolling element is fastened between arc track and arc groove; Between described bearing outer ring and bearing inner race, be provided with the retainer in order to fixing described rolling element.
Above-mentioned a kind of selfaligning ball bearing, described arc track and arc groove are all along circumferentially extending.
Above-mentioned a kind of selfaligning ball bearing, the quantity of described arc groove is 2.
Above-mentioned a kind of selfaligning ball bearing, the circle hole of described bearing inner race is cylindrical hole.
Above-mentioned a kind of selfaligning ball bearing, the circle hole of described bearing inner race is conical bore.
Above-mentioned a kind of selfaligning ball bearing, described retainer is chrysanthemum shape retainer.
Above-mentioned a kind of selfaligning ball bearing, described bearing outer ring internal surface, bearing inner race outer surface, chrysanthemum shape retainer place all scribble oil layer.
Above-mentioned a kind of selfaligning ball bearing, described rolling element is steel ball.
The beneficial effects of the utility model are: bearing outer ring internal surface adopts arc sphere, in bearing, be provided with steel balls more than two rows, can adjust greatly the centering in axis and supporting base hole, self-aligning ability is strong, retainer is chrysanthemum shape retainer, retainer good fixing effect, has strengthened working life of bearing.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment 1 structural representation
Fig. 2 is the utility model embodiment 2 structural representation
Embodiment
For making that structure characteristic of the present utility model and the effect reached are had and further understand and be familiar with, in order to preferred embodiment and accompanying drawing, coordinate detailed explanation, be described as follows:
As shown in Figure 1, a kind of selfaligning ball bearing, comprise bearing outer ring 1, bearing inner race 2, rolling element 3, bearing outer ring 1 is sleeved on the outside of bearing inner race 2, the outer surface of the internal surface of bearing outer ring 1 and bearing inner race 2 forms a pair of opposed side face, and as improvement of the present utility model, the internal surface of bearing outer ring 1 is provided with an arc track 4, the outer surface of bearing inner race 2 is provided with a plurality of arc grooves 5, and rolling element 3 is fastened between arc track 4 and arc groove 5; Between bearing outer ring 1 and bearing inner race 2, be provided with in order to the fixing retainer 6 of rolling element 3.
In the utility model, rolling element 3 is preferably steel ball, arc track 4 and arc groove 5 are all along circumferentially extending, the quantity of arc groove 5 is 2, and two arc grooves are parallel to each other, and has formed two rows and has been fastened on the steel ball between arc track 4 and arc groove 5, can compensate the error that nonconcentricity causes selfaligning ball bearing to become with shaft deflection, but its inside and outside circle relative tilt degree must not surpass 3 degree, can bear larger radial load, also can bear certain thrust load simultaneously.Such bearing outer ring ball track is spheric, thus there is aligning performance, when the stressed bending of axle or inclination and while making inner ring center line and outer ring center line relative tilt be no more than 1 °～2.5 °, bearing endure.
As the utility model, further improve, the circle hole of bearing inner race 2 is cylindrical hole, is applicable to being connected with cylinder axis.
The retainer 6 of bearing provided by the utility model is chrysanthemum shape retainer, and this retainer extends and symmetrically towards two row's steel ball directions, and retainer good fixing effect has been strengthened working life of bearing.
At bearing outer ring 1 internal surface, bearing inner race 2 outer surfaces, chrysanthemum shape retainer place, all scribble oil layer, to reduce the friction factor in power transmission process.
As shown in Figure 2, a kind of selfaligning ball bearing, comprise bearing outer ring 1, bearing inner race 2, rolling element 3, bearing outer ring 1 is sleeved on the outside of bearing inner race 2, the outer surface of the internal surface of bearing outer ring 1 and bearing inner race 2 forms a pair of opposed side face, and as improvement of the present utility model, the internal surface of bearing outer ring 1 is provided with an arc track 4, the outer surface of bearing inner race 2 is provided with a plurality of arc grooves 5, and rolling element 3 is fastened between arc track 4 and arc groove 5; Between bearing outer ring 1 and bearing inner race 2, be provided with in order to the fixing retainer 6 of rolling element 3.
In the utility model, rolling element 3 is preferably steel ball, arc track 4 and arc groove 5 are all along circumferentially extending, the quantity of arc groove 5 is 2, and two arc grooves are parallel to each other, and has formed two rows and has been fastened on the steel ball between arc track 4 and arc groove 5, can compensate the error that nonconcentricity causes selfaligning ball bearing to become with shaft deflection, but its inside and outside circle relative tilt degree must not surpass 3 degree, can bear larger radial load, also can bear certain thrust load simultaneously.Such bearing outer ring ball track is spheric, thus there is aligning performance, when the stressed bending of axle or inclination and while making inner ring center line and outer ring center line relative tilt be no more than 1 °～2.5 °, bearing endure.
As the utility model, further improve, in the present embodiment, the circle hole of bearing inner race 2 is conical bore, is applicable to being connected with cone axis.
The retainer 6 of bearing provided by the utility model is chrysanthemum shape retainer, and this retainer extends and symmetrically towards two row's steel ball directions, and retainer good fixing effect has been strengthened working life of bearing.
At bearing outer ring 1 internal surface, bearing inner race 2 outer surfaces, chrysanthemum shape retainer place, all scribble oil layer, to reduce the friction factor in power transmission process.
More than show and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what in above-described embodiment and specification, describe is principle of the present utility model; under the prerequisite that does not depart from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (8)
1. a selfaligning ball bearing, comprise bearing outer ring, bearing inner race, rolling element, described bearing outer ring is sleeved on the outside of bearing inner race, the internal surface of bearing outer ring and the outer surface of bearing inner race form a pair of opposed side face, it is characterized in that, the internal surface of described bearing outer ring is provided with an arc track, and the outer surface of bearing inner race is provided with a plurality of arc grooves, and described rolling element is fastened between arc track and arc groove; Between described bearing outer ring and bearing inner race, be provided with the retainer in order to fixing described rolling element.
2. a kind of selfaligning ball bearing according to claim 1, is characterized in that, described arc track and arc groove are all along circumferentially extending.
3. a kind of selfaligning ball bearing according to claim 2, is characterized in that, the quantity of described arc groove is 2.
4. according to a kind of selfaligning ball bearing described in claim 2 or 3, it is characterized in that, the circle hole of described bearing inner race is cylindrical hole.
5. according to a kind of selfaligning ball bearing described in claim 2 or 3, it is characterized in that, the circle hole of described bearing inner race is conical bore.
6. a kind of selfaligning ball bearing according to claim 1, is characterized in that, described retainer is chrysanthemum shape retainer.
7. a kind of selfaligning ball bearing according to claim 1, is characterized in that, described bearing outer ring internal surface, bearing inner race outer surface, chrysanthemum shape retainer place all scribble oil layer.
8. a kind of selfaligning ball bearing according to claim 1, is characterized in that, described rolling element is steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320215965.3U CN203441971U (en) | 2013-04-25 | 2013-04-25 | Self-aligning ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320215965.3U CN203441971U (en) | 2013-04-25 | 2013-04-25 | Self-aligning ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203441971U true CN203441971U (en) | 2014-02-19 |
Family
ID=50093029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320215965.3U Expired - Fee Related CN203441971U (en) | 2013-04-25 | 2013-04-25 | Self-aligning ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203441971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121286A (en) * | 2013-04-25 | 2014-10-29 | 宁波市鄞州金鑫轴承五金有限公司 | Self-aligning ball bearing |
-
2013
- 2013-04-25 CN CN201320215965.3U patent/CN203441971U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121286A (en) * | 2013-04-25 | 2014-10-29 | 宁波市鄞州金鑫轴承五金有限公司 | Self-aligning ball bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20160425 |