KR20080015685A - Spider and brearing assembly of universal joint for vehicle - Google Patents

Abstract

A spider and bearing assembly of a universal joint for a vehicle is provided to prevent noise when there is axial clearance in the spider and to prevent the contaminants from being flowed in the bearing assembly by installing a dustproof rubber and a thrust bearing between the spider and the bearing assembly. A spider and bearing assembly(1) of a universal joint for a vehicle comprises a needle bearing(30) having a spider(10), a needle bearing(32), a bearing cap(20), an O-ring(34), a dustproof rubber(37), and a thrust bearing(35). The dustproof rubber, which is contacted with the upper surface of the spider, has predetermined elasticity and tension. The thrust bearing, which is installed at the inner peripheral surface of the bearing cap, is combined with the dustproof rubber. The spider and bearing assembly prevents the axial clearance of the spider.

Description

Spider and Brearing Assembly of Universal Joint for Vehicle

1 is a plan view schematically showing an intermediate steering shaft according to the prior art.

2 is a front view schematically showing a spider and a bearing assembly according to the prior art.

3 is a side view schematically showing a spider and a bearing assembly according to the prior art.

4 is a front view and a side view and a cross-sectional view schematically showing a spider and bearing assembly according to the prior art.

5 is a plan view schematically showing an intermediate steering shaft according to the present invention.

6 is a front view schematically showing a spider and a bearing assembly according to an embodiment of the present invention.

7 is a cross-sectional view schematically showing a spider and a bearing assembly according to an embodiment of the present invention.

8 is a cross-sectional view schematically showing a spider and a bearing assembly according to another embodiment of the present invention.

9 is a schematic cross-sectional view of a spider and bearing assembly according to another embodiment of the present invention.

10 is a schematic cross-sectional view of a spider and bearing assembly according to another embodiment of the present invention.

11 is a plan view schematically illustrating a thrust bearing according to an embodiment of the present invention.

12 is a plan view schematically illustrating a thrust bearing according to another embodiment of the present invention.

13 is a front view schematically showing a spider and a bearing assembly according to another embodiment of the present invention.

14 is a side view schematically showing a spider and a bearing assembly according to another embodiment of the present invention.

15 is a schematic cross-sectional view of a spider and bearing assembly according to another embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

1: spider and bearing assembly 10: spider

11 coupling portion 20 bearing cap

30: needle bearing assembly 32: needle bearing

34: o-ring 35: thrust bearing

37: dustproof rubber 50: searing cap

The present invention relates to a spider and a bearing assembly of a universal joint provided on an intermediate shaft of a steering column for a vehicle, and more particularly, to include a dustproof rubber and thrust bearing between a spider and a bearing assembly. To provide a spider and bearing assembly of the universal joint to prevent the occurrence of noise in the axial play of the, the technical configuration is provided on the intermediate shaft for transmitting the operating force of the steering wheel to the steering gear is provided at the bottom of the steering column In the spider and the bearing assembly of the universal joint, which is coupled to the universal joint is provided in the cross-shaft shape is provided on the outer circumferential surface of the spider and the spider coupling portion is provided, including the coupling portion of the approximately cylindrical shape, for rotation A substantially cylindrical needle bearing, a bearing cap provided on an outer circumferential surface of the needle bearing, an o-ring provided on one side lower end of the needle bearing, and a predetermined elasticity to contact the upper surface of the spider. And a dustproof rubber having a tension and a thrust bearing provided on an inner circumferential surface of the bearing cap and coupled to the dustproof rubber.

In general, the vehicle is equipped with a steering system that can adjust the direction of the wheel to adjust the direction of the car, the steering system as described above is a manual steering system that obtains steering power purely by the driver's power and the driver's steering power There is a power steering system with a separate power unit to assist.

The most basic operation concept of the steering system as described above is to rotate the knuckle to which the tire is connected as the steering wheel of the vehicle is operated so that the direction of travel of the vehicle is determined by the rotation of the wheel.

That is, when the steering wheel is rotated, the steering shaft connected to the steering column is rotated, and the steering gear connected to the steering shaft is operated to move the tie rod, thereby rotating the knuckle connected to the tie rod. Is to be rotated.

Here, the motorized steering system is configured to connect a separate hydraulic device to the basic configuration as described above to double the steering force provided by the driver through the steering wheel and the steering shaft to transfer to the knuckle.

As described above, the steering system is a component for transmitting the driver's operating force to the steering system, both manual and motorized, and a steering wheel and a steering shaft are used. The steering shaft has a substantial steering effect with the driver's seat. It connects the components at the bottom of the driver's seat to deliver steering power provided by the driver.

Therefore, the steering shaft as described above is installed in a position other than the driver's seat in a state where the state of the steering wheel installed in the driver's seat is most suitable for the driver, that is, the installation angle and the degree of protrusion are made easy to drive. In order to maintain an appropriate rotational torque transmission state between the external steering system components, the divided structure is provided to enable the transmission of the refracted rotational force.

As shown in FIG. 1, the intermediate steer shaft 110 is positioned at a lower end of a steering column (not shown) to be connected to a steering gear (not shown) and to be slidable with the intermediate shaft 110. A yoke shaft 120 to be connected, a joint 130 coupled to upper and lower ends of the intermediate steering shaft 110 to be connected to the yoke shaft 120 and a steering gear (not shown); It is composed of a spider and a bearing assembly 140.

2 to 4, the spider and bearing assembly 140 of the intermediate shaft 110 may include a spider 141, a bearing cap 142, a needle bearing 143, and an o-ring ( 144).

The spider 141 crosses each other in a cylindrical shape to form a cross shape, and each includes a bearing cap 142 on an outer circumferential surface of the spider 141.

In addition, in order to facilitate the rotation of the spider 141 on the outer circumferential surface of the spider 141, a substantially cylindrical needle bearing 143 and an o-ring 144 at one lower end of the needle bearing 143 are provided. do.

However, the spider and bearing assembly 140 of the conventional intermediate shaft 110 configured as described above may introduce foreign substances into the spider and bearing assembly 140, when the axial play of the spider 141 occurs. There is a problem that noise caused by the spider 141 is generated.

The present invention has been made to solve the above problems, provided in the universal joint of the intermediate shaft which is provided at the lower end of the steering column to transmit the operating force of the steering wheel to the steering gear, and the coupling portion of the cylindrical shape cross each other cross A spider, which is formed on the outer circumferential surface of the spider coupling portion, to form a substantially cylindrical needle bearing for facilitating the rotation of the spider, a bearing cap provided on the outer circumferential surface of the needle bearing, and a lower end of one side of the needle bearing. A spider and bearing assembly comprising a ring, comprising: a needle bearing comprising a dustproof rubber in contact with the upper surface of the spider and having a predetermined elasticity and tension, and a thrust bearing provided on the inner circumferential surface of the bearing cap and coupled with the dustproof rubber By having the assembly, the spa An object of the present invention is to provide a spider and bearing assembly of a universal joint for automobiles, characterized by preventing axial play of the ether.

In order to achieve the object as described above, the present invention is provided in the universal joint of the intermediate shaft which is provided at the lower end of the steering column and transmits the operating force of the steering wheel to the steering gear, and the coupling portion of the cylindrical shape cross each other cross shape A spider, which is formed on the outer circumferential surface of the spider coupling portion, and has a substantially cylindrical needle bearing for facilitating the rotation of the spider, a bearing cap provided on the outer circumferential surface of the needle bearing, and an o-ring provided at the lower end of the needle bearing. In the spider and bearing assembly provided, the needle bearing assembly comprising a thrust bearing which is in contact with the upper surface of the spider and has a predetermined elasticity and tension and is provided on the inner circumferential surface of the bearing cap and coupled with the dustproof rubber. By providing a spider's It is characterized by preventing axial play.

Then, a projection having a predetermined height is formed at each of the upper and lower ends of the center of the dustproof rubber, a groove is formed at a predetermined depth in the center of the upper side of the spider, and the projections of the dustproof rubber are fastened and assembled to the groove.

In addition, a groove having a predetermined depth is formed in the upper and lower centers of the dustproof rubber, respectively, and a protrusion having a predetermined height is formed in the center of the upper surface of the engaging portion of the spider to engage the upper groove of the dustproof rubber in the projection, and the lower groove is coupled to the thrust bearing And fixed.

And, it is possible to form embossing on the upper surface of the thrust bearing in contact with the inner circumferential surface of the bearing cap.

In another embodiment, a needle bearing assembly comprising a dustproof rubber coupled to an inner surface of a bearing cap and a spider upper surface and a thrust bearing in contact with the dustproof rubber is characterized by preventing the axial play of the spider.

In another embodiment, the steel is provided between the first dust-proof rubber in contact with the upper surface of the spider, the second dust-proof rubber provided on the inner circumferential surface of the bearing cap and the first dust-proof rubber and the second dust-proof rubber and bonded to the lower surface The plate is formed of a needle bearing assembly provided with a thrust bearing formed, characterized in that to prevent the axial play of the spider.

In another embodiment, the thrust bearing which is in contact with the lower outer circumferential surface of the spider, the through hole corresponding to the diameter of the outer circumferential surface of the spider is formed, and the inner circumferential surface of the bearing cap and the outer circumferential surface of the spider, and in contact with the lower surface of the thrust bearing. By having a needle bearing assembly comprising an anti-vibration rubber to be coupled, it is characterized by preventing the axial play of the spider.

In addition, in order to prevent foreign substances from entering the spider and needle bearing assembly, a seal ring cap having an annular shape is opened on the lower inner circumferential surface of the bearing cap, or the shape of the anti-vibration rubber is opened in an annular shape on the lower inner circumferential surface. It can be formed.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 5 is a plan view schematically showing an intermediate steering shaft according to the present invention, Figure 6 is a front view schematically showing a spider and bearing assembly according to an embodiment of the present invention, Figure 7 is an embodiment of the present invention 8 is a cross-sectional view schematically showing a spider and bearing assembly according to the present invention, and FIG. 8 is a cross-sectional view schematically showing a spider and bearing assembly according to another embodiment of the present invention, and FIG. 9 is a spider and a bearing according to another embodiment of the present invention. 10 is a cross-sectional view schematically showing the assembly, Figure 10 is a schematic cross-sectional view showing a spider and a bearing assembly according to another embodiment of the present invention, Figure 11 is a plan view schematically showing a thrust bearing according to an embodiment of the present invention 12 is a spider according to another embodiment of the present invention. And a front view schematically showing a bearing assembly, FIG. 13 is a side view schematically showing a spider and a bearing assembly according to another embodiment of the present invention, and FIG. 14 shows a spider and bearing assembly according to another embodiment of the present invention. It is sectional drawing which shows schematically.

As shown in the figure, the spider and bearing assembly 1 of the universal joint provided in the intermediate shaft of the steering column for automobiles according to the present invention is a spider 10, a bearing cap 20, a needle bearing 32 ), An O-ring 34, a thrust bearing 35, and an anti-vibration rubber 37.

As shown in FIG. 5, the intermediate shaft 2 has two stages, a yoke shaft 4 which is slidably connected to the intermediate shaft 2 and the intermediate shaft 2. ) And a universal joint 6 coupled to the upper and lower ends of the intermediate shaft 2 so as to be connected to the yoke shaft 4 and the steering gear (not shown), and the universal joint 6 Has a spider and a bearing assembly 1.

In particular, as shown in FIGS. 6 and 7, the spider and bearing assembly 1 of the universal joint 6 includes a spider 10, a bearing cap 20, a needle bearing 32, an o-ring 34, and a thrust bearing. And a dustproof rubber 37.

The spider 10 is provided at the lower end of the steering column and is provided at the universal joint 6 of the intermediate shaft 3 for transmitting the operating force of the steering wheel to the steering gear, and the coupling portions 11 having a cylindrical shape cross each other. To form a cross.

In addition, the outer peripheral surface of the spider 10 engaging portion 11 is provided on the needle bearing 32 of the substantially cylindrical shape to facilitate the rotation of the spider 10, and the outer peripheral surface of the needle bearing 32 It is provided including a bearing cap 20 and an o-ring 34 provided at one side lower end of the needle bearing 32.

The anti-vibration rubber 37 is in contact with the upper surface of the spider 10 and has a predetermined elasticity and tension, and is provided on the inner circumferential surface of the bearing cap 20 and is coupled to the anti-vibration rubber 37. 35 is provided.

Therefore, the thrust bearing 35 and the anti-vibration rubber 37 are provided between the upper surface of the spider 10 and the inner circumferential surface of the bearing cap 20 in contact with the spider 10, and the spider 10 is provided. And the needle bearing assembly 30 is assembled and caulked to apply an appropriate pressure to the upper surface of the needle bearing assembly 30 when caulking, and the anti-vibration rubber 37 between the spider 10 and the needle bearing assembly 30. ) Will compress.

In this case, even when a condition in which a play occurs usually occurs, the dustproof rubber 37 compressed during caulking may be tensioned to prevent a situation in which play occurs.

The thrust bearing 35 and the anti-vibration rubber 37 are coupled to each other so that the anti-vibration rubber 37 and the thrust bearing 35 rotate together when the spider 10 is rotated.

In addition, it is possible to form an embossing (embossing) on the upper surface of the thrust bearing 35 in contact with the inner peripheral surface of the bearing cap 20.

As shown in FIGS. 8 and 9, protrusions 37a having a predetermined height are formed on the upper and lower ends of the dustproof rubber 37, respectively, and the grooves have a predetermined depth in the center of the upper surface of the spider 10. A 10a is formed, and the protrusion 37a of the anti-vibration rubber 37 is fastened and assembled into the groove 10a.

Therefore, in order to prevent the dustproof rubber 37 and the thrust bearing 35 from shifting the central axis from the spider 10, a projection 37a is formed at the center of the dustproof rubber 37, and the spider ( 10) The protrusion 37a of the anti-vibration rubber 37 may be inserted into the groove 10a of the center, and the other protrusion 37a of the anti-vibration rubber 37 may be inserted into the thrust bearing 35 to serve as a guide. .

In addition, grooves 37b 'and 37 "having a predetermined depth are formed in the upper and lower centers of the dustproof rubber 37, respectively, and the protrusions having a predetermined height in the center of the upper side of the coupling part 11 of the spider 10. 10b) forms an upper groove 37 'of the anti-vibration rubber 37 to the protrusion 10b, and a lower groove 37' 'is coupled to and fixed to the thrust bearing 35.

Therefore, in order to prevent the dustproof rubber 37 and the thrust bearing 35 from shifting the central axis from the spider 10, grooves 37b 'having a predetermined depth in the upper and lower centers of the dustproof rubber 37, respectively. , 37 "), and a protrusion 10b having a predetermined height is formed at the center of the upper side of the coupling portion 11 of the spider 10 so that the upper groove 37 of the dustproof rubber 37 is formed on the protrusion 10b. ') And the lower groove 37 "fits into the thrust bearing 35.

In another embodiment of the present invention, as shown in FIG. 10, the spider and bearing assembly 1 of the universal joint 6 may include a spider 10, a bearing cap 20, a needle bearing 32, and an o-ring ( 34), thrust bearing 35 and anti-vibration rubber 37.

The spider 10 is provided in the universal joint 6 of the intermediate shaft 3 which is provided at the lower end of the steering column to transmit the operating force of the steering wheel to the steering gear, and the coupling portion 11 of the cylindrical shape is mutually Cross is provided in the form of a cross.

In addition, the outer peripheral surface of the spider 10 engaging portion 11 is provided on the needle bearing 32 of the substantially cylindrical shape to facilitate the rotation of the spider 10, and the outer peripheral surface of the needle bearing 32 A bearing cap 20 is provided, and an o-ring 34 provided at one lower end of the needle bearing 32 is provided.

In addition, the anti-vibration rubber 37 coupled to the inner surface of the bearing cap 20 and the thrust bearing 35 in contact with the upper surface of the spider 10 and the anti-vibration rubber 37 are provided.

Therefore, the thrust bearing 35 and the anti-vibration rubber 37 are provided between the upper surface of the spider 10 and the inner circumferential surface of the bearing cap 20 in contact with the spider 10. Assembling and caulking the needle bearing assembly 30 to apply an appropriate pressure to the upper surface of the needle bearing assembly 30 during caulking and the dust-proof rubber 37 between the spider 10 and the needle bearing assembly 30 Will compress.

In this case, even when a condition in which a play occurs usually occurs, the dustproof rubber 37 compressed during caulking may be tensioned to prevent a situation in which play occurs.

In addition, the thrust bearing 35 and the dustproof rubber 37 are coupled so that the dustproof rubber 37 and the thrust bearing 35 rotate together when the spider 10 rotates.

Further, as still another embodiment of the present invention, the spider and bearing assembly 1 of the universal joint 6 may include the spider 10, the bearing cap 20, the needle bearing 32, the O-ring 34, the thrust bearing. 35, the first dustproof rubber 37 'and the second dustproof rubber 37 ".

The spider 10 is provided at the lower end of the steering column and is provided at the universal joint 6 of the intermediate shaft 3 for transmitting the operating force of the steering wheel to the steering gear, and the coupling portions 11 having a cylindrical shape cross each other. To form a cross.

In addition, the outer peripheral surface of the spider 10 engaging portion 11 is provided on the needle bearing 32 of the substantially cylindrical shape to facilitate the rotation of the spider 10, and the outer peripheral surface of the needle bearing 32 It is provided including a bearing cap 20 and an o-ring 34 provided at one side lower end of the needle bearing 32.

In addition, the first dustproof rubber 37 ′ is in contact with the upper surface of the spider 10, and a second dustproof rubber 37 ″ is provided on the inner circumferential surface of the bearing cap 20, and the first dustproof rubber ( 37 ') and the second anti-vibration rubber 37 " and provided with a thrust bearing 35 having a steel plate 35a coupled to the lower side thereof, thereby preventing noise in a double manner.

11 and 12, the thrust bearing 35 provided in the spider and bearing assembly 1 of the universal joint 6 is formed in a substantially annular shape and a through hole having a predetermined diameter is formed in the center thereof. It is.

The thrust bearing 35 is provided in an upper type and a lower type. The thrust bearing 35 is provided with a steel plate 35a at a lower side thereof, and a friction part 35b formed at a predetermined interval in the circumferential direction has a through hole. The longer plate is provided, and the lower portion is provided with a steel plate 35 'and a friction portion 35'b formed at regular intervals in the circumferential direction is provided as an annular 35' formed shortly into the through hole. .

13 to 15, the spider and bearing assembly 1 of the universal joint 6 may include the spider 10, the bearing cap 20, and the needle bearing 32. , An o-ring 34, a thrust bearing 35, and an anti-vibration rubber 37.

The spider 10 is provided in the universal joint 6 of the intermediate shaft 3 which is provided at the lower end of the steering column to transmit the operating force of the steering wheel to the steering gear, and the coupling portion 11 of the cylindrical shape is mutually Cross is provided in the form of a cross.

In addition, the outer peripheral surface of the spider 10 engaging portion 11 is provided on the needle bearing 32 of the substantially cylindrical shape to facilitate the rotation of the spider 10, and the outer peripheral surface of the needle bearing 32 But the lower side is stepped and provided with a bearing cap 20 having a larger diameter than the upper side.

In addition, the thrust bearing 35 ′ is in contact with the lower outer circumferential surface of the spider 10, and a through hole 37a corresponding to the outer circumferential surface diameter of the spider 10 is formed at the center thereof, and the steel plate 35 is disposed below the thrust bearing 35 ′. A friction portion 35'b provided with 'a' and formed at regular intervals in the circumferential direction is shortly formed inside the through hole.

In addition, the anti-vibration rubber 37 contacts the inner circumferential surface of the bearing cap 20 and the outer circumferential surface of the spider 10 and is coupled to the lower surface of the thrust bearing 35 ′.

Therefore, the annular thrust bearing 35 'and the anti-vibration rubber 37 are inserted into the inner circumferential surface of the bearing cap 20 to prevent noise and to prevent the inflow of pollutants or fluids from the outside. There is this.

In addition, in order to prevent inflow of foreign matters of the spider 10 and the needle bearing assembly 30, a seal ring 50 having an annular shape is opened on the lower inner circumferential surface of the bearing cap 20 to prevent contamination from the outside. Prevent entry of substances or fluids.

At this time, the shape of the anti-vibration rubber 37 may be formed in a shape in which one side of the annular opening on the inner peripheral surface of the lower end in order to prevent inflow of foreign matters of the spider 10 and the needle bearing assembly 30.

Hereinafter, an operation process of the spider and the bearing assembly of the universal joint for automobiles according to the present embodiment will be described.

The spider 10 is provided at the lower end of the steering column and is provided at the universal joint 6 of the intermediate shaft 3 for transmitting the operating force of the steering wheel to the steering gear, and the coupling portions 11 having a cylindrical shape cross each other. Is provided in a cross shape, and is provided on the outer circumferential surface of the spider 10 coupling portion 11 to facilitate the rotation of the spider 10, and a needle bearing 32 having a substantially cylindrical shape, and the needle bearing ( The bearing cap 20 is provided on the outer circumferential surface of the 32, and the O-ring 34 provided on one side lower end of the needle bearing 32 is provided.

The anti-vibration rubber 37 is in contact with the upper surface of the spider 10 and has a predetermined elasticity and tension, and is provided on the inner circumferential surface of the bearing cap 20 and is coupled to the anti-vibration rubber 37. 35 is provided.

Therefore, the thrust bearing 35 and the anti-vibration rubber 37 are provided between the upper surface of the spider 10 and the inner circumferential surface of the bearing cap 20 in contact with the spider 10. Assembling and caulking the needle bearing assembly 30 to apply an appropriate pressure to the upper surface of the needle bearing assembly 30 during caulking and the dust-proof rubber 37 between the spider 10 and the needle bearing assembly 30 When the thrust bearing 35 and the anti-vibration rubber 37 are combined, the anti-vibration rubber 37 and the thrust bearing 35 rotate together when the spider 10 rotates.

In this case, even when a condition of occurrence of a normal play occurs, the dustproof rubber 37 compressed during caulking may be tensioned to prevent a situation where a play may occur, and noise generated when the play of the spider 10 may be prevented. have.

In addition, according to another embodiment of the present invention, a universal joint composed of a spider 10, a bearing cap 20, a needle bearing 32, an o-ring 34, a thrust bearing 35, and an anti-vibration rubber 37 The spider and bearing assembly 1 of 6) is provided on the outer circumferential surface of the coupling portion 11 of the spider 10, and the needle bearing 32 having a substantially cylindrical shape to facilitate the rotation of the spider 10, and It is provided on the outer circumferential surface of the needle bearing 32, the lower side is stepped and provided with a bearing cap 20 having a larger diameter than the upper side.

In addition, the thrust bearing 35 ′ is in contact with the lower outer circumferential surface of the spider 10, and a through hole 37a corresponding to the outer circumferential surface diameter of the spider 10 is formed at the center thereof, and the steel plate 35 is disposed below the thrust bearing 35 ′. A friction portion 35'b provided with 'a' and formed at regular intervals in the circumferential direction is shortly formed inside the through hole.

In addition, the anti-vibration rubber 37 contacts the inner circumferential surface of the bearing cap 20 and the outer circumferential surface of the spider 10 and is coupled to the lower surface of the thrust bearing 35 ′.

Accordingly, the annular thrust bearing 35 ′ and the anti-vibration rubber 37 may be inserted into the inner circumferential surface of the bearing cap 20 to prevent noise and prevent the inflow of pollutants or fluid from the outside.

As described above, the present invention having the configuration as described above includes an anti-vibration rubber and thrust bearing between the spider and the bearing assembly, thereby preventing the occurrence of noise when the axial play of the spider occurs, and is introduced into the bearing assembly. It can have the effect of preventing the inflow of external pollutants or fluids.

Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to such specific embodiments, and those skilled in the art are appropriate within the scope described in the claims of the present invention. It will be possible to change.

Claims (9)

Spider which is provided at the lower end of the steering column and is provided in the universal joint 6 of the intermediate shaft 3 which transmits the operating force of the steering wheel to the steering gear, and the cylindrical coupling part 11 crosses each other to form a cross. (10) and the needle bearing 32 of the substantially cylindrical shape provided on the outer peripheral surface of the spider 10 coupling portion 11 to facilitate the rotation of the spider 10, and the needle bearing 32 In the spider and bearing assembly (1) provided with a bearing cap (20) provided on an outer circumferential surface and an o-ring (34) provided on one side lower end of the needle bearing (32), A dustproof rubber 37 in contact with the upper surface of the spider 10 and having a predetermined elasticity and tension; And A thrust bearing 35 provided on an inner circumferential surface of the bearing cap 20 and coupled to the anti-vibration rubber 37; By having a needle bearing assembly (30) comprising a, the spider and the bearing assembly of the universal joint for automobiles, characterized in that preventing the axial play of the spider (10). The method of claim 1, Protrusions 37a having a predetermined height are formed at upper and lower ends of the dustproof rubber 37, respectively, and grooves 10a are formed at a predetermined depth in the center of the upper surface of the spider 10, and the grooves 10a are formed. Spider and bearing assembly of the universal joint for automobiles, characterized in that fastening and assembling the projection (37a) of the vibration-proof rubber (37) to. The method of claim 1, Grooves 37b 'and 37 "having a predetermined depth are formed on the upper and lower sides of the dustproof rubber 37, respectively, and the protrusions 10b having a predetermined height are formed at the center of the upper side of the coupling portion 11 of the spider 10. Universally for automobile, characterized in that to form the upper groove (37 ') of the dustproof rubber 37 to the projection (10b), the lower groove (37 ") is coupled and fixed to the thrust bearing (35). Spider and bearing assembly of the joint. The method of claim 1, Spider and bearing assembly of the universal joint for automobiles, characterized in that it is possible to form an embossing (embossing) on the upper surface of the thrust bearing (35) in contact with the inner peripheral surface of the bearing cap (20). Spider which is provided at the lower end of the steering column and is provided in the universal joint 6 of the intermediate shaft 3 which transmits the operating force of the steering wheel to the steering gear, and the cylindrical coupling part 11 crosses each other to form a cross. (10) and the needle bearing 32 of the substantially cylindrical shape provided on the outer peripheral surface of the spider 10 coupling portion 11 to facilitate the rotation of the spider 10, and the needle bearing 32 In the spider and bearing assembly (1) provided with a bearing cap (20) provided on an outer circumferential surface and an o-ring (34) provided on one side lower end of the needle bearing (32), The anti-vibration rubber 37 coupled to an inner surface of the bearing cap 20; And The thrust bearing 35 in contact with the upper surface of the spider 10 and the anti-vibration rubber 37; By having a needle bearing assembly (30) comprising a, the spider and the bearing assembly of the universal joint for automobiles, characterized in that preventing the axial play of the spider (10). Spider which is provided at the lower end of the steering column and is provided in the universal joint 6 of the intermediate shaft 3 which transmits the operating force of the steering wheel to the steering gear, and the cylindrical coupling part 11 crosses each other to form a cross. (10) and the needle bearing 32 of the substantially cylindrical shape provided on the outer peripheral surface of the spider 10 coupling portion 11 to facilitate the rotation of the spider 10, and the needle bearing 32 In the spider and bearing assembly (1) provided with a bearing cap (20) provided on an outer circumferential surface, and an o-ring (34) provided at one lower end of the needle bearing (32), A first dustproof rubber 37 'contacting the upper surface of the spider 10; A second anti-vibration rubber 37 ″ provided on the inner circumferential surface of the bearing cap 20; and A thrust bearing (35) provided between the first anti-vibration rubber (37 ') and the second anti-vibration rubber (37 ") and having a steel plate (35a) coupled to a lower side thereof; By being provided with a needle bearing assembly (30) provided to include, the spider and the bearing assembly of the universal joint for automobiles, characterized in that to prevent the axial play of the spider (10). Spider which is provided at the lower end of the steering column and is provided in the universal joint 6 of the intermediate shaft 3 which transmits the operating force of the steering wheel to the steering gear, and the cylindrical coupling part 11 crosses each other to form a cross. (10) and the needle bearing 32 of the substantially cylindrical shape provided on the outer peripheral surface of the spider 10 coupling portion 11 to facilitate the rotation of the spider 10, and the needle bearing 32 In the spider and the bearing assembly (1) provided on the outer circumferential surface, the lower side is stepped and includes a bearing cap 20 having a larger diameter than the upper side, A thrust bearing 35 'which is in contact with a lower outer circumferential surface of the spider 10 and has a through hole 37a corresponding to a diameter of the outer circumferential surface of the spider 10 at its center; And An anti-vibration rubber 37 in contact with the inner circumferential surface of the bearing cap 20 and the outer circumferential surface of the spider 10 and coupled to the lower surface of the thrust bearing 35 ′; By having a needle bearing assembly (30) comprising a, the spider and the bearing assembly of the universal joint for automobiles, characterized in that to prevent the axial play of the spider (10). The method of claim 7, wherein In order to prevent the inflow of foreign matters of the spider 10 and the needle bearing assembly 30 for the automobile, characterized in that provided with a sealing cap 50 of one side of the annular shape is opened on the lower inner peripheral surface of the bearing cap 20 Spider and bearing assembly of universal joints. The method of claim 7, wherein The anti-vibration rubber 37 is a universal joint for automobiles, characterized in that the one side of the annular opening on the inner peripheral surface of the lower end to prevent the inflow of foreign matters of the spider 10 and the needle bearing assembly 30 Spider and bearing assembly.

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