CN207848228U - High-accuracy angular contact ball bearing - Google Patents
High-accuracy angular contact ball bearing Download PDFInfo
- Publication number
- CN207848228U CN207848228U CN201820038426.XU CN201820038426U CN207848228U CN 207848228 U CN207848228 U CN 207848228U CN 201820038426 U CN201820038426 U CN 201820038426U CN 207848228 U CN207848228 U CN 207848228U
- Authority
- CN
- China
- Prior art keywords
- cylindrical surface
- outer ring
- angular contact
- retainer
- ball bearing
- 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.)
- Expired - Fee Related
Links
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model is related to a kind of high-accuracy angular contact ball bearings, including outer ring, inner ring, retainer and steel ball, the cross section of retainer is Z-shaped, the inner ring is equipped with fore shaft, a step structure is equipped at fore shaft, step structure is by the first cylindrical surface, second cylindrical surface, the conical surface is formed, the conical surface is located at the first cylindrical surface, between second cylindrical surface and transition connects, first cylindrical surface is connect with left end face, diameter of a circle is less than diameter of a circle where the second cylindrical surface where first cylindrical surface, second cylindrical surface is connect with interior rollaway nest transition, the left side of outer ring is equipped with male cone (strobilus masculinus) with the junction of outer ring inner wall.Step structure is set on inner ring at fore shaft so that the stock removal of inner ring can be reduced；Space is more taken full advantage of simultaneously, and a part of of retainer can be located at the step, more compact structure.The left side of outer ring is equipped with male cone (strobilus masculinus) with the junction of outer ring inner wall, and obtains the stock removal reduction of outer ring inner wall.
Description
Technical field
The utility model is related to technical field of bearings, and in particular to a kind of high-accuracy angular contact ball bearing.
Background technology
Bearing is that machinery industry applies a very wide range of element, either aircraft, automobile or electric appliance etc., all be unable to do without axis
It holds.To adapt to the needs of ultrahigh speed performance, machine tool chief axis mostly uses mist of oil, oil gas and oil spout etc. with high-speed angular contact ball bearing
Lubricating system, these lubricating systems are all that lubricating oil is injected retainer and lasso gap from bearing face at an angle,
And then lubricate, lubricating efficiency is low.The Chinese patent of Authorization Notice No. CN201106634Y discloses lubricated type superelevation under a kind of ring
Fast angular contact ball bearing, the bearing include an outer ring, an inner ring, several rolling elements and a retainer, outer ring and inner ring
Band slope, outer ring is with assembly fore shaft.Outer ring grinding easy tos produce deformation, and fore shaft grinding can cause the unilateral deflection of lasso big
It is also bigger than normal so as to cause bearing outside diameter taper, to affect the machining accuracy of bearing.
Utility model content
The purpose of this utility model is to provide a kind of high-accuracy angular contact ball bearing, solves the big technology of bearing grinding amount and asks
Topic.
To achieve the above object, the high-accuracy angular contact ball bearing of the utility model adopts the following technical scheme that：High-accuracy angle
Contact ball bearing, including outer ring, inner ring, retainer and several steel balls, outer ring inner wall are equipped with the outer rollaway nest of arc, interior ring outer wall
The contact point of interior rollaway nest equipped with arc, the same steel ball and interior rollaway nest is A, with the contact point of outer rollaway nest is B, 2 points of A, B it
Between line and the angle of vertical line of axis of bearing be 60 °, the cross section of the retainer is Z-shaped, and the inner ring is equipped with
Fore shaft is equipped with a step structure at the fore shaft, and the step structure is formed by the first cylindrical surface, the second cylindrical surface, the conical surface, bores
Face is between the first cylindrical surface, the second cylindrical surface and transition connects, and the first cylindrical surface is connect with left end face, the first cylinder
Diameter of a circle is less than diameter of a circle where the second cylindrical surface where face, and the second cylindrical surface is connect with interior rollaway nest transition, the outer ring
The junction of left side and outer ring inner wall be equipped with male cone (strobilus masculinus).
Further, the part between the outer rollaway nest and male cone (strobilus masculinus) has third cylindrical surface, third cylindrical surface and the
It is corresponding inside and outside one cylindrical surface.
Further, the area on first cylindrical surface is two times of the second cylindrical surface area.
Further, a diameter of 8.731mm of the steel ball.
Further, the retainer is outer guiding.
The beneficial effects of the utility model：It is Z-shaped to be arranged to cross section by the angular contact ball bearing of the utility model for retainer
Structure, compact-sized to be adapted to the structure of interior rollaway nest, outer rollaway nest, contact angle is 60 degree, the case where ensureing radial bearing capacity
Under, improve axial bearing capacity.Fore shaft is set on inner ring, and retainer is outer guidance mode, is suitble to apply under high speed situation；Simultaneously
Step structure is set at fore shaft, and step structure includes the first cylindrical surface, the second cylindrical surface and the conical surface between the two, and first
Diameter of a circle where cylindrical surface is less than diameter of a circle where the second cylindrical surface, such structure so that the stock removal of inner ring can be with
It reduces；Space is more taken full advantage of simultaneously, and a part of of retainer can be located at the step, more compact structure.A left side for outer ring
End face and the junction of outer ring inner wall are equipped with male cone (strobilus masculinus), and obtain the stock removal reduction of outer ring inner wall.Reduce the grinding time, carries
High processing efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of the high-accuracy angular contact ball bearing of the utility model.
Corresponding title is respectively marked in figure：1, outer ring, 2, retainer, 3, inner ring, 4, steel ball, 11, male cone (strobilus masculinus), 12, outer rolling
Road, the 21, first cylindrical surface, 22, the conical surface, the 23, second cylindrical surface, 24, inner conical surface, 25, interior rollaway nest.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the range of the utility model protection.
The embodiment of the high-accuracy angular contact ball bearing of the utility model：As shown in Figure 1, high-accuracy angular contact ball bearing, packet
Outer ring 1, inner ring 3, retainer 2 and 21 steel balls 4 are included, retainer 2 is equipped with and is evenly distributed with 21 pockets for being used to support steel ball 4
Hole.A diameter of 8.731mm of steel ball 4, retainer 2 are the outer guiding under high speed.The cross section of retainer 2 is Z-shaped, herein refers to
It is approximate this shape, existing is generally mostly whole in circular ring type.2 middle part of retainer is sloping, and both sides are round
It is cyclic annular.
1 inner wall of outer ring be equipped with arc outer rollaway nest 12,3 outer wall of inner ring be equipped with arc interior rollaway nest 25, the same steel ball 4 with
The contact point of interior rollaway nest 25 is A and the contact point of outer rollaway nest 12 is B, the vertical line of the axis of line and bearing between 2 points of A, B
Angle be 60 ° namely bearing contact angle.Inner ring 3 is equipped with fore shaft, is equipped with a step structure at fore shaft, step structure by
First cylindrical surface 21, the second cylindrical surface 23, the formation of the conical surface 22, the conical surface 22 is between the first cylindrical surface 21, the second cylindrical surface 23
And transition connects, the first cylindrical surface 21 is connect with left end face, and 21 place diameter of a circle of the first cylindrical surface is less than the second cylinder
23 place diameter of a circle of face, the second cylindrical surface 23 are connect with 25 transition of interior rollaway nest.The area on the first cylindrical surface 21 is the second cylinder
Two times of 23 area of face.
The left side of outer ring 1 is equipped with male cone (strobilus masculinus) 11 with the junction of 1 inner wall of outer ring.It of outer rollaway nest 12 and male cone (strobilus masculinus) 11
Between part there is third cylindrical surface, third cylindrical surface is corresponding with inside and outside the first cylindrical surface 21.
1 inner wall of outer ring is equipped with the 4th cylindrical surface in the right side of outer rollaway nest 12, and the 4th cylindrical surface is connect with 12 transition of outer rollaway nest.
Part between the right side and interior rollaway nest 25 of inner ring 3 has the 5th cylindrical surface, the 5th cylindrical surface and foreign minister in the 4th cylindrical surface
Right, the 4th cylindrical surface and 3 right side intersection of inner ring are equipped with inner conical surface 24.
Claims (5)
1. high-accuracy angular contact ball bearing, it is characterised in that：Including outer ring, inner ring, retainer and several steel balls, outer ring inner wall
Outer rollaway nest equipped with arc, interior ring outer wall are equipped with the interior rollaway nest of arc, the contact point of the same steel ball and interior rollaway nest be A, with it is outer
The contact point of raceway is B, and the angle of the vertical line of the axis of line and bearing between 2 points of A, B is 60 °, the cross of the retainer
Section is Z-shaped, and the inner ring is equipped with fore shaft, is equipped with a step structure at the fore shaft, the step structure is by the first cylinder
Face, the second cylindrical surface, the conical surface are formed, and the conical surface is between the first cylindrical surface, the second cylindrical surface and transition connects, the first cylindrical surface
It is connect with left end face, diameter of a circle is less than diameter of a circle where the second cylindrical surface, the second cylindrical surface where the first cylindrical surface
It is connect with interior rollaway nest transition, the left side of the outer ring is equipped with male cone (strobilus masculinus) with the junction of outer ring inner wall.
2. high-accuracy angular contact ball bearing according to claim 1, it is characterised in that：It of the outer rollaway nest and male cone (strobilus masculinus)
Between part there is third cylindrical surface, third cylindrical surface is corresponding with inside and outside the first cylindrical surface.
3. high-accuracy angular contact ball bearing according to claim 1 or 2, it is characterised in that：The face on first cylindrical surface
Product is two times of the second cylindrical surface area.
4. high-accuracy angular contact ball bearing according to claim 1 or 2, it is characterised in that：The steel ball it is a diameter of
8.731mm。
5. high-accuracy angular contact ball bearing according to claim 1 or 2, it is characterised in that：The retainer is outer guiding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820038426.XU CN207848228U (en) | 2018-01-10 | 2018-01-10 | High-accuracy angular contact ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820038426.XU CN207848228U (en) | 2018-01-10 | 2018-01-10 | High-accuracy angular contact ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207848228U true CN207848228U (en) | 2018-09-11 |
Family
ID=63417957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820038426.XU Expired - Fee Related CN207848228U (en) | 2018-01-10 | 2018-01-10 | High-accuracy angular contact ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207848228U (en) |
-
2018
- 2018-01-10 CN CN201820038426.XU patent/CN207848228U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4664537A (en) | Cage for tapered-roller bearing | |
| CN107830052B (en) | Composite bearing | |
| CN101737423A (en) | Four-point contact ball bearing | |
| CN102767567B (en) | linear bearing | |
| JP2012021581A (en) | Oil-air lubrication type rolling bearing device | |
| CN207848228U (en) | High-accuracy angular contact ball bearing | |
| CN201106625Y (en) | Locating bearing for high speed aluminium foil mill | |
| CN108825648B (en) | Double-row bearing for rolling mill | |
| CN103352919B (en) | Solid cage and reinforced solid tapered roller bearing | |
| CN206257165U (en) | A kind of conical roller bearing ring | |
| CN101776121B (en) | Three-point contact thrust ball bearing and design method | |
| CN103527625A (en) | Integrated ferrule four-point contact ball bearing | |
| CN208595821U (en) | A kind of novel circular cooler bogie wheel lubrication system | |
| CN203395023U (en) | Solid retainer and reinforced solid tapered roller bearing | |
| CN206539604U (en) | A kind of four row cylinders and taper roller combination bearing | |
| CN204477085U (en) | A kind of agricultural machinery roller bearing | |
| CN203308934U (en) | Outer ring of high-speed precision combination bearing | |
| CN220204390U (en) | Double-row tapered roller bearing | |
| CN219413275U (en) | Bearing isolation block | |
| CN204186813U (en) | Automobile-used special-shape bearing outer ring | |
| CN218325767U (en) | Cross roller bearing | |
| CN207715542U (en) | A kind of double cone roller bearing with self-lubricate function | |
| CN217653083U (en) | Outer ring of high-bearing-capacity double-row deep groove ball bearing stable in operation | |
| CN219176789U (en) | Improved four-point angular contact ball bearing | |
| CN219587968U (en) | Crossed roller bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20200110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |