KR20070050178A - Hub-bearing mounting structure of vehicle - Google Patents

Hub-bearing mounting structure of vehicle Download PDF

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Publication number
KR20070050178A
KR20070050178A KR1020050107437A KR20050107437A KR20070050178A KR 20070050178 A KR20070050178 A KR 20070050178A KR 1020050107437 A KR1020050107437 A KR 1020050107437A KR 20050107437 A KR20050107437 A KR 20050107437A KR 20070050178 A KR20070050178 A KR 20070050178A
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South Korea
Prior art keywords
hub
knuckle
hub bearing
bearing
mounting structure
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KR1020050107437A
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Korean (ko)
Inventor
주성권
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한국프랜지공업 주식회사
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Priority to KR1020050107437A priority Critical patent/KR20070050178A/en
Publication of KR20070050178A publication Critical patent/KR20070050178A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0078—Hubs characterised by the fixation of bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/063—Fixing them on the shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/02—Wheel hubs or castors

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Mounting Of Bearings Or Others (AREA)

Abstract

본 발명은 자동차의 허브베어링 장착구조에 관한 것으로, 너클(20)에 형성된 설치공(21)에 허브베어링(10)이 삽입되는 상태로 허브베어링(10)이 너클(20)에 장착되는 자동차의 허브베어링 장착구조에 있어서, 상기 허브베어링(10)의 베어링외륜(12)이 너클(20)의 설치공(21)에 강제 압입되어 고정 장착되는 것을 특징으로 한다.The present invention relates to a hub bearing mounting structure of an automobile, wherein the hub bearing 10 is mounted to the knuckle 20 in a state where the hub bearing 10 is inserted into the installation hole 21 formed in the knuckle 20. In the hub bearing mounting structure, the bearing outer ring 12 of the hub bearing 10 is forcibly pressed into the installation hole 21 of the knuckle 20 and is fixedly mounted.

따라서, 볼트 체결을 하지 않게 되고, 장착구조가 매우 단순해짐으로써 부품수, 재료 소비량, 중량 및 필요 공수가 감소하게 되며, 이로써 소요 비용이 절감되는 효과가 있게 된다.Therefore, the bolt is not fastened and the mounting structure is very simple, thereby reducing the number of parts, material consumption, weight, and required labor, thereby reducing the required cost.

자동차의 허브베어링, 너클, 설치공, 볼트 Hub Bearings, Knuckles, Installers, Bolts

Description

자동차의 허브베어링 장착구조{hub-bearing mounting structure of vehicle}Hub-bearing mounting structure of vehicle

도 1은 종래 허브베어링 장착부의 분해사시도,1 is an exploded perspective view of a conventional hub bearing mounting portion,

도 2의 (a)는 본 발명이 적용된 허브베어링 장착부의 분해사시도,Figure 2 (a) is an exploded perspective view of the hub bearing mounting portion to which the present invention is applied,

(b)는 (a)의 조립상태도,(b) is a state of assembly of (a),

도 3은 본 발명의 추가 실시예로서, 고정링이 설치된 조립상태의 단면도이다.3 is a cross-sectional view of the assembled state in which the fixing ring is installed as a further embodiment of the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10 : 허브베어링 11 : 허브10: hub bearing 11: hub

11a : 관 부분 12 : 베어링외륜11a: pipe part 12: bearing outer ring

12a : 걸림턱 12b : 링삽입홈12a: engaging jaw 12b: ring insertion groove

20 : 너클 21 : 설치공20: knuckle 21: installer

30 : 고정링30: retaining ring

본 발명은 자동차의 허브베어링 장착구조에 관한 것으로, 특히 압입에 의한 허브베어링 장착구조에 관한 것이다.The present invention relates to a hub bearing mounting structure of an automobile, and more particularly, to a hub bearing mounting structure by press-fitting.

자동차에서 엔진의 동력은 변속기로 출력되어 드라이브샤프트를 거쳐 휠로 전달된다.In the car, the engine's power is output to the transmission and transmitted via the drive shaft to the wheels.

자동차의 휠은 허브에 장착되는데, 이 허브에 드라이브샤프트의 단부가 스플라인 결합되어 드라이브샤프트의 회전이 허브를 회전시킴으로써 휠이 회전되도록 되어 있다.The wheel of the vehicle is mounted on the hub, and the end of the drive shaft is splined to the hub so that the rotation of the drive shaft causes the wheel to rotate by rotating the hub.

따라서, 상기 허브를 회전 가능하게 지지하기 위해서 허브가 삽입되는 너클의 설치공에 베어링을 설치하였다.Therefore, in order to rotatably support the hub, a bearing is installed in the installation hole of the knuckle into which the hub is inserted.

한편, 근래에는 부품의 모듈화 추세에 따라 상기 허브와 베어링이 일체로 구성된 형태의 허브베어링이 사용되고 있다.Meanwhile, in recent years, hub bearings in which the hub and the bearing are integrally formed according to the trend of modularization of components are used.

일반적으로 상기 허브베어링은 드라이브샤프트의 단부가 삽입 결합되는 허브의 관 부분이 베어링내륜을 이루며, 이의 외주에 볼을 사이에 두고 베어링외륜이 구비되는 구조로 이루어진다.In general, the hub bearing has a structure in which a tubular portion of the hub into which the end of the drive shaft is inserted and constitutes a bearing inner ring, and a bearing outer ring is provided with a ball interposed therebetween.

따라서, 상기 베어링외륜을 너클의 설치공에 삽입 고정함으로써 내측의 베어링내륜 즉, 허브가 회전 가능한 상태로 설치되어진다.Therefore, by inserting and fixing the bearing outer ring to the installation hole of the knuckle, the inner bearing inner ring, that is, the hub is provided in a rotatable state.

그 장착구조를 좀 더 자세히 살펴본다. 도 1에 도시된 바와 같이, 허브베어링(1)의 베어링외륜(1a)에 걸림턱(1b)이 형성되고, 이 걸림턱(1b)의 4개소에 결합단부(1c)가 돌출 형성되며, 이 결합단부(1c)들에 각각 볼트공(1d)이 형성된다.Let's take a closer look at the mounting structure. As shown in FIG. 1, a locking jaw 1b is formed at a bearing outer ring 1a of the hub bearing 1, and engaging ends 1c are formed at four positions of the locking jaw 1b. Bolt holes 1d are formed in the coupling end portions 1c, respectively.

이에 대하여, 상기 허브베어링(1)과 마주보는 너클(2)━도시된 너클은 너클 의 전체 형상을 도시한 것이 아니라, 허브베어링이 삽입 결합되는 설치공 부분만을 개략적으로 도시한 것으로, 실제 너클에는 어퍼암 또는 스트럿바가 장착되는 곡선 로드 형상의 몸체와 상기 설치공이 형성된 몸체의 주변에 로어암 볼조인트, 브레이크 캘리퍼, 타이로드 엔드 등이 연결되는 장착좌면이 형성됨은 물론이다.━의 설치공(2a) 외곽면에는 베어링외륜(1a)이 설치공(2a)으로 삽입되었을 때 상기 걸림턱(1b) 및 결합단부(1c)와 면 밀착되는 결합면(2b)이 형성되고, 허브베어링(1)의 볼트공(1d)에 대응되는 자리에 볼트공(2c)이 관통 성형된다.On the other hand, the knuckle (2) facing the hub bearing (1)-the knuckle is not shown the overall shape of the knuckle, but only schematically showing the installation hole portion is inserted into the hub bearing, the actual knuckle A curved rod-shaped body on which an upper arm or strut bar is mounted, and a mounting seat on which a lower arm ball joint, a brake caliper, a tie rod end, and the like are connected are formed around the body in which the mounting hole is formed. The outer surface is formed with a coupling surface (2b) that is in close contact with the engaging jaw (1b) and the coupling end (1c) when the bearing outer ring (1a) is inserted into the installation hole (2a), the hub bearing (1) The bolt hole 2c is through-molded at the position corresponding to the bolt hole 1d.

따라서, 허브베어링(1)을 너클(2)의 설치공(2a)에 삽입하고, 그 후방으로부터 상기 볼트공(1d,2c)에 나사를 삽입 체결함으로써 허브베어링(1)이 너클(2)에 완전히 고정 장착된다.Accordingly, the hub bearing 1 is inserted into the knuckle 2 by inserting the hub bearing 1 into the installation hole 2a of the knuckle 2 and inserting and screwing the screw into the bolt holes 1d and 2c from the rear thereof. It is completely fixed mounted.

그런데, 이와 같이 허브베어링(1)을 볼트 체결함으로써 볼트가 여러 개 사용되고, 허브베어링(1)의 베어링외륜(1a)과 너클(2)에 각각 결합단부(1c) 및 결합면(2b)을 형성해야만 하며, 이들에 볼트공(1d,2c)을 가공해야만 하므로, 부품수가 증가하고, 재료 소비량이 증가하며, 이에 따라 중량이 증가하게 되는 단점이 있었다.However, by bolting the hub bearing 1 as described above, a plurality of bolts are used, and coupling end portions 1c and coupling surfaces 2b are formed on the bearing outer ring 1a and the knuckle 2 of the hub bearing 1, respectively. Since the bolt holes 1d and 2c must be processed in these parts, the number of parts increases, the material consumption increases, and accordingly, the weight increases.

또한, 볼트를 각각 조여 주는 작업을 실시해야만 하므로 작업이 번거롭고, 상기 결합단부(1c), 결합면(2b), 볼트공(1d,2c)를 형성하기 위한 시간과 비용이 소모된다는 문제점이 있었다.In addition, since the work to tighten the bolts must be performed, there is a problem that the work is cumbersome, and the time and cost for forming the coupling end portion 1c, the coupling surface 2b, and the bolt holes 1d and 2c are consumed.

이에 본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로, 볼트 체결에 의하지 아니하고 허브베어링을 너클에 장착할 수 있게 됨으로써 볼트를 사용할 필요가 없게 됨과 더불어 볼트공을 가공할 부분을 형성할 필요가 없게 되어, 부품수와 재료 소비량 및 중량이 감소할 뿐만 아니라, 체결과 부품 성형에 필요한 공수가 감소됨으로써 시간 및 비용이 절약될 수 있도록 된 자동차의 허브베어링 장착구조를 제공함에 그 목적이 있다.Accordingly, the present invention has been made to solve the above problems, it is possible to mount the hub bearing to the knuckle without the bolt fastening, so that it is not necessary to use the bolt and to form a part to process the bolt hole It is an object of the present invention to provide a hub bearing mounting structure of a vehicle that not only reduces the number of parts, material consumption and weight, but also saves time and cost by reducing the number of times required for fastening and forming parts.

상기와 같은 목적을 달성하기 위한 본 발명은, 너클에 형성된 설치공에 허브베어링이 삽입되는 상태로 허브베어링이 너클에 장착되는 자동차의 허브베어링 장착구조에 있어서, 상기 허브베어링의 베어링외륜이 너클의 설치공에 강제 압입됨으로써 너클에 허브베어링이 장착되는 구조로 이루어진다.The present invention for achieving the above object, in the hub bearing mounting structure of a vehicle in which the hub bearing is mounted to the knuckle in a state where the hub bearing is inserted into the installation hole formed in the knuckle, the bearing outer ring of the hub bearing of the knuckle It is made of a structure that the hub bearing is mounted on the knuckle by forcibly pressed into the installation hole.

이와 같이, 볼트가 사용되지 않게 됨으로써 볼트 체결시 발생되던 상기 문제점들이 모두 해소된다.In this way, the bolts are not used, thereby all the problems caused during bolting are eliminated.

한편, 상기 베어링외륜이 상기 설치공의 반대쪽으로 돌출되도록 연장성형되고, 그 외주면에 링삽입홈이 형성되며, 이 링삽입홈에 고정링이 삽입 설치됨으로써 허브베어링이 장시간 진동 및 충격에 노출되어도 정확한 설치 위치를 유지할 수 있게 된다.On the other hand, the bearing outer ring is extended to protrude to the opposite side of the installation hole, the ring insertion groove is formed in the outer peripheral surface, the fixed ring is inserted into the ring insertion groove is installed even if the hub bearing is exposed to vibration and shock for a long time accurate The installation position can be maintained.

이하, 본 발명을 첨부된 예시도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, the present invention will be described in detail.

도 2는 본 발명에 따른 도 2의 (a)는 본 발명이 적용된 허브베어링 장착부의 분해사시도, (b)는 (a)의 조립상태도로서, 도시된 바와 같이 본 발명은 허브베어링(10)이 너클(20)의 설치공(21)에 단순 압입됨으로써 장착되도록 되어 있다.2 is an exploded perspective view of the hub bearing mounting portion to which the present invention is applied (a) of FIG. 2, and (b) is an assembled state diagram of (a), as shown in the present invention, the hub bearing 10 is shown in FIG. It is attached by simply press-fitting into the installation hole 21 of the knuckle 20.

이를 위하여 허브베어링(10)의 베어링외륜(12) 외경과 너클(20)의 설치공(21) 내경은 베어링외륜(12)의 외경이 설치공(21)의 내경에 비하여 미세하게 큰 값을 갖도록 형성된다.To this end, the outer diameter of the bearing outer ring 12 of the hub bearing 10 and the inner diameter of the installation hole 21 of the knuckle 20 are such that the outer diameter of the bearing outer ring 12 has a slightly larger value than the inner diameter of the installation hole 21. Is formed.

이 값은 베어링외륜(12)을 설치공(21)에 강제 압입할 때 베어링외륜(12)은 수축되고 설치공(21)은 늘어나는 미세한 탄성 변형량에 따른다.This value depends on the amount of fine elastic deformation in which the bearing outer ring 12 is contracted and the installation hole 21 is stretched when the bearing outer ring 12 is forcibly pressed into the mounting hole 21.

한편, 상기 베어링외륜(12)의 외주면에는 종래와 동일한 걸림턱(12a)이 원주방향으로 형성되어, 베어링외륜(12) 압입시 그 삽입 깊이를 정확히 한정하는 역할을 하게 된다.On the other hand, on the outer circumferential surface of the bearing outer ring 12 is formed the same engaging jaw (12a) in the circumferential direction, it serves to precisely limit the insertion depth when the bearing outer ring 12 is pressed.

상기와 같이, 본 발명에 따르면, 너클(20)을 수평한 상태로 고정한 후, 상방에서 상기 베어링외륜(12)을 설치공(21) 내부로 강하게 눌러 주는 매우 간단한 프레싱 공정만으로 허브베어링(10)을 너클(20)에 장착하는 공정이 완료된다.As described above, according to the present invention, after fixing the knuckle 20 in a horizontal state, the hub bearing 10 only by a very simple pressing process of pressing the bearing outer ring 12 strongly into the installation hole 21 from above. The process of mounting the to the knuckle 20 is completed.

따라서, 종래와 같이 다수의 볼트를 각각 작업자가 직접 조여 주어야만 할 필요가 없게 됨으로써 허브베어링(10) 장착작업이 매우 용이하면서 신속하게 이루어진다.Therefore, as shown in the related art, the plurality of bolts do not have to be tightened by the operator, respectively, so that the hub bearing 10 is installed very easily and quickly.

또한, 볼트 체결작업을 하지 않게 됨으로써 볼트를 사용할 필요가 없게 되어 취급해야 할 부품수가 줄어들고, 이에 따라 중량과 비용이 감소하게 된다.In addition, no bolt fastening operation eliminates the need to use bolts, thereby reducing the number of parts to be handled, thereby reducing weight and cost.

또한, 볼트 체결이 적용되지 않게 됨으로써 볼트 체결을 위한 종래의 결합단부(1c)와 결합면(2b)를 형성할 필요가 없게 되어, 베어링외륜(12)과 너클(20)을 제 작하는데 사용되는 재료의 양이 줄어들게 되며, 이 역시 중량과 비용 감소의 원인이 된다.In addition, since the bolt fastening is not applied, there is no need to form the conventional coupling end 1c and the engaging surface 2b for bolt fastening, which is used to manufacture the bearing outer ring 12 and the knuckle 20. The amount of material is reduced, which also causes weight and cost reduction.

그리고, 상기 결합단부(1c)와 결합면(2b)에 볼트공(1d,2c)을 가공할 필요가 없으므로 공수가 감소되며, 이에 따라 비용 또한 절감됨은 물론이다.In addition, since the bolt holes 1d and 2c do not need to be processed on the coupling end 1c and the coupling surface 2b, the number of labors is reduced, and thus, the cost is also reduced.

한편, 상기 허브베어링(10)이 너클(20)의 설치공(21)에 강하게 압입 고정되었다고는 하나, 차량 주행으로 인해 장시간 진동과 충격이 발생되면 상기 허브베어링(10)이 너클(20)의 설치공(21)으로부터 이탈되는 방향으로 이동하여 정확한 위치를 유지하지 못하게 된다.(허브(11)의 관 부분(11a)에 스플라인 결합되는 드라이브샤프트의 단부가 삽입된 곳의 반대쪽으로 돌출되고 여기에 고정너트가 체결되므로 허브베어링(10)이 너클(20)로부터 완전히 이탈되지는 않는다.)On the other hand, although the hub bearing 10 is strongly press-fitted to the installation hole 21 of the knuckle 20, when the vibration and shock is generated for a long time due to the vehicle running, the hub bearing 10 of the knuckle 20 Movement in the direction away from the installation hole 21 does not maintain the correct position. (The end of the drive shaft splined to the tube portion 11a of the hub 11 protrudes opposite to where it is inserted and Since the fixing nut is fastened, the hub bearing 10 is not completely separated from the knuckle 20.)

이를 방지하기 위하여 도 3에 도시된 바와 같이, 고정링(30)을 설치한다.In order to prevent this, as shown in FIG. 3, a fixing ring 30 is installed.

고정링(30)을 설치하기 위해, 상기 베어링외륜(12)의 너클측 단부를 베어링외륜(12)이 설치공(21)에 완전히 삽입되었을 때 너클(20)의 뒤쪽 부분으로 소정 길이로 돌출될 수 있도록 연장 성형하고, 이 연장성형부의 외주면 중 너클(20)의 뒤쪽 면과 일치하는 곳에 링삽입홈(12b)을 가공한다.In order to install the fixing ring 30, the knuckle side end of the bearing outer ring 12 is projected to the rear portion of the knuckle 20 by a predetermined length when the bearing outer ring 12 is completely inserted into the installation hole 21. The ring inserting groove 12b is machined to be formed so as to be extended so as to conform to the rear face of the knuckle 20 among the outer circumferential surfaces of the extended molding portion.

그리고, 상기 고정링(30)은 몸체의 일부가 절개되어 그 양단을 벌려서 설치하는 통상의 스냅링이다.In addition, the fixing ring 30 is a part of the body is a conventional snap ring that is installed by opening both ends of the cut.

따라서, 설치공(21)에 허브베어링(10)을 압입한 후, 베어링외륜(12)의 상기 링삽입홈(12b)에 고정링(30)을 설치하면, 고정링(30)의 외경측 부분이 너클(20)에 걸려짐으로써 허브베어링(10)이 이탈방향으로 이동하지 못하게 되며, 이로써 주행 에 의한 진동이나 충격이 전달되어도 허브베어링(10)이 항상 정확한 위치에 고정되어 있을 수 있게 된다.Therefore, after the hub bearing 10 is press-fitted into the installation hole 21 and the fixing ring 30 is installed in the ring insertion groove 12b of the bearing outer ring 12, the outer diameter side portion of the fixing ring 30 is provided. By being caught by the knuckle 20, the hub bearing 10 may not move in the disengaging direction, thereby allowing the hub bearing 10 to be always fixed at the correct position even when vibration or shock caused by traveling is transmitted.

이상 설명한 바와 같이 본 발명에 따르면, 1회의 프레싱 작업만으로 허브베어링 장착을 완료할 수 있으므로 허브베어링 장착 작업이 매우 간편하고 신속하게 이루어진다.As described above, according to the present invention, since the hub bearing mounting can be completed by only one pressing operation, the hub bearing mounting operation is very simple and quick.

또한, 볼트 체결이 필요 없게 되므로 볼트를 사용하지 않게 되고, 베어링외륜과 너클에 결합단부와 결합면 및 볼트공을 형성하거나 가공할 필요가 없게 되므로 부품수와 재료 소비량 및 중량이 감소되고, 필요 공수 또한 감소된다.In addition, no bolting is required, which eliminates the need for bolt fastening, and eliminates the need to form or machine coupling ends, mating surfaces, and bolt holes in the bearing outer ring and knuckle, thereby reducing the number of parts, material consumption, and weight, and required labor. It is also reduced.

즉, 허브와 너클의 형상과 이들의 제작 및 장착공정이 전체적으로 단순화되어 소재비 및 가공비 등이 절감되는 효과가 있는 것이다.That is, the shape of the hub and knuckle and the manufacturing and mounting process thereof are simplified as a whole to reduce the material cost and processing cost.

Claims (2)

너클(20)에 형성된 설치공(21)에 허브베어링(10)이 삽입되는 상태로 허브베어링(10)이 너클(20)에 장착되는 자동차의 허브베어링 장착구조에 있어서,In the hub bearing mounting structure of an automobile in which the hub bearing 10 is mounted to the knuckle 20 in a state where the hub bearing 10 is inserted into the installation hole 21 formed in the knuckle 20, 상기 허브베어링(10)의 베어링외륜(12)이 너클(20)의 설치공(21)에 강제 압입되어 고정 장착되는 것을 특징으로 하는 자동차의 허브베어링 장착구조.Hub bearing mounting structure of the vehicle, characterized in that the bearing outer ring (12) of the hub bearing (10) is forcibly pressed into the installation hole (21) of the knuckle (20). 제 1항에 있어서, 상기 베어링외륜(12)이 상기 설치공(21)의 반대쪽으로 돌출되도록 연장성형되고, 그 외주면 중 너클(20)의 뒤쪽면과 접하는 위치에 링삽입홈(12b)이 형성되며, 이 링삽입홈(12b)에 고정링(30)이 삽입 설치되는 것을 특징으로 하는 자동차의 허브베어링 장착구조.According to claim 1, wherein the bearing outer ring 12 is extended to protrude to the opposite side of the installation hole 21, the ring insertion groove 12b is formed at a position in contact with the rear surface of the knuckle 20 of the outer peripheral surface The hub bearing mounting structure of the vehicle, characterized in that the fixing ring 30 is inserted into the ring insertion groove (12b) is installed.
KR1020050107437A 2005-11-10 2005-11-10 Hub-bearing mounting structure of vehicle KR20070050178A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170094472A (en) * 2016-02-10 2017-08-18 서한산업(주) Assembly of knuckle and hub bearing for vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170094472A (en) * 2016-02-10 2017-08-18 서한산업(주) Assembly of knuckle and hub bearing for vehicle

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