CN207297629U - A kind of double-surface contact type needle bearing - Google Patents
A kind of double-surface contact type needle bearing Download PDFInfo
- Publication number
- CN207297629U CN207297629U CN201721175378.0U CN201721175378U CN207297629U CN 207297629 U CN207297629 U CN 207297629U CN 201721175378 U CN201721175378 U CN 201721175378U CN 207297629 U CN207297629 U CN 207297629U
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- outer ring
- double
- contact type
- surface contact
- needle bearing
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Abstract
The utility model discloses a kind of double-surface contact type needle bearing, including outer ring, the outer ring is internally provided with needle roller retainer；Multiple needle rollers are installed in the needle roller retainer, the needle roller retainer both sides are respectively arranged with the sealing ring with outer ring inner wall interference fit, the utility model can prevent dust etc. from entering the inside of needle bearing by the setting of dual face seals circle, the leakage of lubricating grease is also prevented from the same time, is improved the service life of bearing and is adapted to the ability of harsh environments.
Description
Technical field
It the utility model is related to needle bearing technical field, and in particular to a kind of double-surface contact type needle bearing.
Background technology
Needle bearing is the roller bearing with cylindrical roller, and with respect to its diameter, roller was not only thin but also long.This roller is known as rolling
Pin, although having less section, bearing still has higher load-taking capacity.As mechanization gradually replaces craftization,
Needle bearing is applied in more and more occasions, and the possible very severe of some use environments, this requires needle bearing
With certain waterproof and the ability for preventing the pollutions such as dust；And the service life of needle bearing has very big pass with lubricant grease
System, lubricant grease may be contaminated during existing needle bearing use, or be reduced in use, and cause rolling
Needle bearing sends noise or damage.
Utility model content
To solve the above problems, the utility model provides a kind of double-surface contact type needle bearing, can be to avoid needle roller axis
Bearing lubrication oil fat is contaminated, and not only increases the service life of needle bearing, and is adapted to severe operating condition.
To achieve the above object, the technical solution that the utility model is taken is：A kind of double-surface contact type needle bearing, including
Outer ring, the outer ring are internally provided with needle roller retainer；Multiple needle rollers are installed, the needle roller is kept in the needle roller retainer
Device both sides are respectively arranged with the sealing ring with outer ring inner wall interference fit.
As one preferable technical solution of the utility model：Gear is provided between the needle roller retainer and sealing ring
Circle.
As one preferable technical solution of the utility model：The both ends of the outer ring internal face are respectively arranged with First
Rank, for assembling the sealing ring.
As one preferable technical solution of the utility model：Second is provided with the both ends of the outer ring outer circumferential surface
Rank, the second step are connected by inclined-plane with the outer ring.
As one preferable technical solution of the utility model：Needle roller in the needle roller retainer has two groups, every group of institute
The quantity for stating needle roller is 32.
As one preferable technical solution of the utility model：The sealing ring includes skeleton and vulcanization forming in the bone
Rubber ring on frame, the skeleton are L-shaped, and the lip for sealing is provided with rubber ring；The material of the rubber ring is
ACM。
As one preferable technical solution of the utility model：The material of the baffle ring is 65Mn.
As one preferable technical solution of the utility model：The one end on the inclined-plane passes through the first arc surface and described the
Two steps are connected, and the other end is connected by the second arc surface with outer ring, the outer circumferential surface of the second step and the side of outer ring
By chamfered transition, the angle of the chamfering is 45 ° in face.
As one preferable technical solution of the utility model：The horizontal direction angle on the inclined-plane and outer ring outer circumferential surface is
15 °, its error range is positive and negative 2 °.
As one preferable technical solution of the utility model：The material of the needle roller and outer ring is GCr15.
The utility model has the advantages that：
The setting of dual face seals circle can prevent that dust etc. from entering the inside of needle bearing, while be also prevented from lubricating
The leakage of fat, improves the service life of bearing and adapts to the ability of harsh environments.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the inclined-plane partial enlarged view of the utility model.
In figure：1st, outer ring, 3, needle roller retainer, 4, needle roller, 5, baffle ring, 6, first step, 7, inclined-plane, 8, chamfering, 9, bone
Frame, 10, rubber ring, 11, lip, 12, sealing ring, the 13, first arc surface, the 14, second arc surface.
Embodiment
In order to which the purpose of this utility model and advantage is more clearly understood, with reference to embodiments to the utility model into
Row is further described.It should be appreciated that specific embodiment described herein is only to explain the utility model, and do not have to
In restriction the utility model.
As Figure 1-Figure 2, the utility model embodiment provides a kind of double-surface contact type needle bearing, including outer ring 1,
Outer ring 1 is internally provided with needle roller retainer 3；Multiple needle rollers 4 are installed, 3 both sides of needle roller retainer are set respectively in needle roller retainer 3
The sealing ring 12 with 1 inner wall of outer ring interference fit is equipped with, sealing ring is internally provided with lubricating grease, and lubricating grease uses heat safe profit
Consistent lubricant；The both ends of 1 internal face of outer ring are respectively arranged with first step 6, for assembling sealing ring 12；Rolling in needle roller retainer 3
Pin 4 has two groups, and the quantity of every group of needle roller 4 is 32；Sealing ring 12 includes skeleton 9 and vulcanization forming the rubber ring on skeleton 9
10, skeleton 9 is L-shaped, and the lip 11 for sealing is provided with rubber ring 10；The material of rubber ring 10 is ACM (acrylate),
Using sealing ring made of ACM so that sealing ring has high temperature resistant, low temperature resistant and corrosion resistant feature；Needle roller retainer 3 with it is close
Baffle ring 5 is provided between seal 12, the material of baffle ring 5 is 65Mn；Second step is provided with the both ends of 1 outer circumferential surface of outer ring, the
Two steps are connected by inclined-plane 7 with outer ring 1, and the one end on inclined-plane 7 is connected by the first arc surface 13 with second step, another
End is connected by the second arc surface 14 with outer ring 1, and the first arc surface and the second circular arc radius surface are equal, and length is identical, circular arc
Direction on the contrary, the outer circumferential surface of second step and the side of outer ring 1 by 8 transition of chamfering, the angle of chamfering 8 is 45 °；Inclined-plane 7
Horizontal direction angle with 1 outer circumferential surface of outer ring is 15 °, its error range is positive and negative 2 °, the inclined-plane 7 of outer ring 1 and the setting of chamfering 8
So that outer ring is easily installed；The material of needle roller 4 and outer ring 1 is GCr15, and outer ring, which employs GCr15, can make its case hardness can
Reach 58-62HRC, can prevent that dust etc. from entering the inside of needle bearing by the setting of dual face seals circle, while may be used also
To prevent the leakage of lubricating grease, improve the service life of bearing and adapt to the ability of harsh environments.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of double-surface contact type needle bearing, including outer ring (1), it is characterised in that：The outer ring (1) is internally provided with needle roller
Retainer (3)；Multiple needle rollers (4) are installed, needle roller retainer (3) both sides are set respectively in the needle roller retainer (3)
There is the sealing ring (12) with the outer ring (1) inner wall interference fit.
A kind of 2. double-surface contact type needle bearing according to claim 1, it is characterised in that：The needle roller retainer (3)
Baffle ring (5) is provided between sealing ring (12).
A kind of 3. double-surface contact type needle bearing according to claim 1, it is characterised in that：Outer ring (1) internal face
Both ends be respectively arranged with first step (6), for assembling the sealing ring (12).
A kind of 4. double-surface contact type needle bearing according to claim 1, it is characterised in that：Outer ring (1) outer circumferential surface
Both ends at be provided with second step, the second step is connected by inclined-plane (7) with the outer ring (1).
A kind of 5. double-surface contact type needle bearing according to claim 1, it is characterised in that：The needle roller retainer (3)
Interior needle roller (4) has two groups, and the quantity of needle roller (4) described in every group is 32.
A kind of 6. double-surface contact type needle bearing according to claim 1, it is characterised in that：The sealing ring (12) includes
The rubber ring (10) of skeleton (9) and vulcanization forming on the skeleton (9), the skeleton (9) are L-shaped, and rubber ring is set on (10)
It is equipped with the lip (11) for sealing；The material of the rubber ring (10) is ACM.
A kind of 7. double-surface contact type needle bearing according to claim 2, it is characterised in that：The material of the baffle ring (5)
For 65Mn.
A kind of 8. double-surface contact type needle bearing according to claim 4, it is characterised in that：One end of the inclined-plane (7)
It is connected by the first arc surface (13) with the second step, the other end is connected by the second arc surface (14) with outer ring (1)
Connect, for the outer circumferential surface of the second step with the side of outer ring (1) by chamfering (8) transition, the angle of the chamfering (8) is 45 °.
A kind of 9. double-surface contact type needle bearing according to claim 8, it is characterised in that：The inclined-plane (7) and outer ring
(1) the horizontal direction angle of outer circumferential surface is 15 °, its error range is positive and negative 2 °.
A kind of 10. double-surface contact type needle bearing according to claim 1, it is characterised in that：The needle roller (4) and outer ring
(1) material is GCr15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721175378.0U CN207297629U (en) | 2017-09-14 | 2017-09-14 | A kind of double-surface contact type needle bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721175378.0U CN207297629U (en) | 2017-09-14 | 2017-09-14 | A kind of double-surface contact type needle bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297629U true CN207297629U (en) | 2018-05-01 |
Family
ID=62447129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721175378.0U Active CN207297629U (en) | 2017-09-14 | 2017-09-14 | A kind of double-surface contact type needle bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207297629U (en) |
-
2017
- 2017-09-14 CN CN201721175378.0U patent/CN207297629U/en active Active
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| GR01 | Patent grant |