JP2006001316A - Roller bearing unit for wheel - Google Patents

Roller bearing unit for wheel Download PDF

Info

Publication number
JP2006001316A
JP2006001316A JP2004177139A JP2004177139A JP2006001316A JP 2006001316 A JP2006001316 A JP 2006001316A JP 2004177139 A JP2004177139 A JP 2004177139A JP 2004177139 A JP2004177139 A JP 2004177139A JP 2006001316 A JP2006001316 A JP 2006001316A
Authority
JP
Japan
Prior art keywords
wheel
mounting
bolt fixing
bearing unit
work
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.)
Withdrawn
Application number
JP2004177139A
Other languages
Japanese (ja)
Inventor
Hiroaki Sasa
博昭 佐々
Yuji Suzuki
裕二 鱸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NSK Ltd
Original Assignee
NSK Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NSK Ltd filed Critical NSK Ltd
Priority to JP2004177139A priority Critical patent/JP2006001316A/en
Publication of JP2006001316A publication Critical patent/JP2006001316A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction 

Landscapes

  • Rolling Contact Bearings (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a roller bearing unit for a wheel which roller bearing unit is adapted to maintain efficiency in work of mounting the roller bearing unit on a vehicle and at the same time ensure the strength of the bearing unit on parts between bolt fixing holes and work holes, and has a hub flange that enables a reduction in the weight of the bearing unit. <P>SOLUTION: The hub flange is provided with a plurality of bolt fixing holes for wheel mounting which are bored circumferentially to be spaced at a given angle, and is also with a plurality of odd-sized through-openings which are formed between the circumferentially arranged bolt fixing holes. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、車輪取付け用ハブを有する車輪用ころがり軸受に関する。   The present invention relates to a wheel rolling bearing having a wheel mounting hub.

車輪取付け用ハブは、重要な強度部材であるが、一方では、低燃費化、運動性能向上のために、軽量化の要請もあり、強度不足にならないように、鍛造加工などによりハブの肉厚を部分的に薄くしたり、また、後述するような作業穴兼用の貫通穴を軽量化のために設けたりする工夫がなされている。   The wheel mounting hub is an important strength member, but on the other hand, there is also a request for weight reduction to reduce fuel consumption and improve exercise performance. In order to reduce the weight, a device has been devised in which the thickness of the through hole is partially reduced or a through hole serving as a work hole, which will be described later, is provided for weight reduction.

図３、および図４により従来の車輪取付け用ハブを有するころがり軸受を説明する。   A conventional rolling bearing having a wheel mounting hub will be described with reference to FIGS.

図３は断面図を示し、図４は図３（図３は図４のＸ１−Ｏ１−Ｘ１の断面）の矢視Ｂ―Ｂから見たハブフランジの側面図である。 3 is a cross-sectional view, and FIG. 4 is a side view of the hub flange as viewed from the arrow BB in FIG. 3 (FIG. 3 is a cross section taken along line X 1 -O 1 -X 1 in FIG. 4).

外輪１ｚは外周部にころがり軸受を車体（図示略）へ取付けるためのフランジ１ｆｚを有している。このフランジ１ｆｚは車体との取付け関係上、外周は略３角形や４角形などの異形になっている。そして、このフランジには円周方向に取付けボルト用の複数の取付け用貫通穴１ｊｚが設けられている。   The outer ring 1z has a flange 1fz for attaching a rolling bearing to a vehicle body (not shown) on the outer periphery. The flange 1fz has an irregular shape such as a substantially triangular shape or a quadrangular shape because of its mounting relationship with the vehicle body. The flange is provided with a plurality of mounting through holes 1jz for mounting bolts in the circumferential direction.

内輪２ｚは、車両の外端部に車輪取付け用ハブフランジ２ｆｚを有し、車両中心側は終端部となっているハブＨｕｚである。車輪取付け用ハブフランジ２ｆｚには、車輪を取付けるための複数個のボルト２ｇｚが円周方向に取付けられるボルト固定穴２ｈｚが設けられ、予めボルト２ｇｚが取付けられている。そして、ボルト固定穴２ｈｚとボルト固定穴２ｈｚの円周方向の間には、外輪１ｚを車体へ取付ける際に必要なボルト締め作業をハブの外方Ｃより可能とする作業穴２ｊｚが穿設されている。この作業穴２ｊｚは、ボルト締め作業工具（図示略）による作業の効率上、工具が通過できるに十分な余裕を持って設定されている。作業穴２ｊｚは、一つの場合と複数の場合がある（図４は４個の場合である）。いずれも、ハブフランジ２ｆｚの強度に影響を与えないような位置に設けるように配慮している。作業穴２ｊｚが一つの場合は、外輪１ｚのフランジ１ｆｚのボルト締めを行なう際、その都度取付け用貫通穴１ｊｚと位相を合わせる煩雑さがあるが、ハブフランジ２ｆｚの強度に影響しない位置を選択するのが容易である。しかし、作業の効率化のために、外輪１ｚの取付け用貫通穴１ｊｚと同数の作業穴２ｊｚを設けている場合は、ハブフランジ２ｆｚの作業穴２ｊｚの円周方向の間隔を、外輪の貫通穴１ｊｚのそれと合わせておく必要があり、そうしておけば、その都度位相あわせをする煩雑さはない。この場合、外輪１ｚの複数個の取付け用貫通穴１ｊｚの位置の仕様が車体への取付けの関係で優先しているので、該貫通穴１ｊｚと位相を合わせする場合、位置によってはハブフランジ２ｆｚの作業穴２ｊｚが肉厚部２ｋｚまで入り込んだり、また、ボルト固定穴２ｈｚと作業穴２ｊｚの離間寸法Ｄ１を大きく出来ない場合があり、大きなモーメント荷重を受けるとハブフランジのボルト固定穴２ｈｚと作業穴２ｊｚの間の強度が問題になる虞がある。ハブフランジの強度に関する提案がある（例えば、特許文献１参照）。 The inner ring 2z is a hub Huz having a wheel mounting hub flange 2fz at the outer end portion of the vehicle and having a terminal portion at the vehicle center side. The wheel mounting hub flange 2fz is provided with a bolt fixing hole 2hz to which a plurality of bolts 2gz for mounting a wheel are attached in the circumferential direction, and the bolt 2gz is attached in advance. Between the bolt fixing hole 2hz and the bolt fixing hole 2hz in the circumferential direction, a work hole 2jz that enables bolting work required for attaching the outer ring 1z to the vehicle body from the outer side C of the hub is formed. ing. The work hole 2jz is set with a sufficient margin for allowing the tool to pass therethrough in terms of work efficiency with a bolt tightening work tool (not shown). There may be one working hole or a plurality of working holes 2jz (FIG. 4 shows four cases). In any case, consideration is given to providing the hub flange 2fz at a position that does not affect the strength of the hub flange 2fz. When there is only one work hole 2jz, each time the bolt of the flange 1fz of the outer ring 1z is tightened, there is a trouble of matching the phase with the mounting through hole 1jz, but a position that does not affect the strength of the hub flange 2fz is selected. Easy to do. However, in order to improve work efficiency, when the same number of work holes 2jz as the mounting through holes 1jz for mounting the outer ring 1z are provided, the circumferential interval between the work holes 2jz of the hub flange 2fz is set to the through hole of the outer ring. It is necessary to match with that of 1jz, and there is no trouble of phase adjustment each time. In this case, the specifications of the positions of the plurality of mounting through holes 1jz of the outer ring 1z are given priority in terms of mounting to the vehicle body. Therefore, when the phase of the through holes 1jz is matched, depending on the position, the hub flange 2fz intrude work hole 2jz until thick portion 2Kz, also, may not be able to increase the separation dimension D 1 of the bolt fixing holes 2hz and work well 2jz, receives a large moment load when the bolt fixing hole 2hz hub flange working The strength between the holes 2jz may become a problem. There is a proposal regarding the strength of the hub flange (see, for example, Patent Document 1).

また、ハブフランジ２ｆｚの外周は円形状であるが、軽量化のために、強度を維持するのに、特に、４個のボルト固定穴２ｈｚを含む略４角形の部分を肉厚部２ｋｚにし、その外側部分は、前記４角形の部分よりも肉薄部２ｍｚにしている。
特開２００２−２２１２号公報 In addition, the outer periphery of the hub flange 2fz is circular, but in order to maintain the strength for weight reduction, in particular, the substantially square portion including the four bolt fixing holes 2hz is made the thick portion 2kz, The outer portion is thinner than the quadrangular portion.
Japanese Patent Laid-Open No. 2002-2212

しかしながら、特許文献１では、作業穴の周縁角部を圧縮変形させてボルト穴周縁角部の強度を確保しようとするものである。強度の確保と共に、前記作業穴に更なる軽量化の目的を持たせた兼用穴として提案はされていない。   However, Patent Document 1 attempts to ensure the strength of the bolt hole peripheral corner by compressing and deforming the peripheral corner of the working hole. It has not been proposed as a dual-purpose hole in which the work hole has a purpose of further reducing the weight while ensuring the strength.

本発明は、このような課題に鑑みなされたもので、作業の効率を維持しながらハブフランジの強度を確保し、かつ、更なる軽量化をしたハブフランジを有する車輪用ころがり軸受装置を提供することを目的としている。   The present invention has been made in view of such a problem, and provides a wheel rolling bearing device for a wheel having a hub flange that secures the strength of the hub flange while maintaining work efficiency and is further reduced in weight. The purpose is that.

上記の目的を達成するために、本発明は、
車体への取付け用フランジを外周部に有する外輪と、
外端部に車輪取付け用ハブフランジを一体に形成した内輪と、
内外輪間に介装され内外輪の相対回転を可能とする転動体と、
を有する車輪用ころがり軸受装置において、
前記ハブフランジには車輪取付け用ボルト固定穴が円周方向に所定角離隔して複数個穿設されると共に、前記ボルト固定穴間に、複数個の異形の貫通開口部が形成されていることを特徴とする車輪用ころがり軸受装置を提供する。 In order to achieve the above object, the present invention provides:
An outer ring having a flange for mounting to the vehicle body on the outer periphery;
An inner ring integrally formed with a wheel mounting hub flange at the outer end;
A rolling element interposed between the inner and outer rings and enabling relative rotation of the inner and outer rings;
In the wheel rolling bearing device having
A plurality of wheel fixing bolt fixing holes are formed in the hub flange at predetermined angular intervals in the circumferential direction, and a plurality of irregular shaped through openings are formed between the bolt fixing holes. A rolling bearing device for a wheel is provided.

また、本発明は、
前記貫通開口部が円周方向の長穴であることを特徴とする車輪用ころがり軸受装置を提供する。 The present invention also provides:
Provided is a rolling bearing device for a wheel, wherein the through opening is a long hole in a circumferential direction.

本発明によれば、外輪の取付け用貫通穴と同数の作業穴を設けて作業の効率を維持しながら、しかも、ボルト固定穴と作業穴間の強度を確保し、かつ、更なる軽量化を可能とするハブフランジを有する車輪用ころがり軸受装置を提供することが出来る。   According to the present invention, the same number of work holes as the mounting holes for mounting the outer ring are provided to maintain work efficiency, while ensuring the strength between the bolt fixing holes and the work holes, and further reducing the weight. It is possible to provide a wheel rolling bearing device having a hub flange that enables this.

以下、本発明の実施の形態に係わる車輪用ころがり軸受装置を図面を参照しつつ説明する。   DESCRIPTION OF EMBODIMENTS Hereinafter, a wheel rolling bearing device according to an embodiment of the present invention will be described with reference to the drawings.

（実施形態１）
図１および図２において本発明の実施形態１を説明する。 (Embodiment 1)
A first embodiment of the present invention will be described with reference to FIGS.

図１は実施形態１の車輪用ころがり軸受装置Ｈｕの断面図である。   FIG. 1 is a cross-sectional view of the wheel rolling bearing device Hu according to the first embodiment.

図２は図１（図１は図２のＸ−Ｏ−Ｘ断面）の矢視Ａ−Ａから見た側面図である。   2 is a side view as seen from the direction of arrows AA in FIG. 1 (FIG. 1 is a cross section taken along the line XX in FIG. 2).

車輪用ころがり軸受装置Ｈｕは外輪１と、内輪２と、転動体５と、から構成されている。   The wheel rolling bearing device Hu is composed of an outer ring 1, an inner ring 2, and rolling elements 5.

外輪１は外周部に車輪用ころがり軸受装置を車体（図示略）へ取付けるためのフランジ１ｆを有している。   The outer ring 1 has a flange 1f for attaching a wheel rolling bearing device to a vehicle body (not shown) on the outer periphery.

このフランジ１ｆは車体との取付け関係上、外周は略３角形や４角形などの異形になっている。そして、このフランジには車輪用ころがり軸受装置を車体へ取付けるための取付けボルト用の複数の取付け用貫通穴１ｊが円周方向に所定角離隔して設けられている。   The flange 1f has an irregular shape such as a substantially triangular shape or a quadrangular shape because of its mounting relationship with the vehicle body. The flange is provided with a plurality of mounting through holes 1j for mounting bolts for mounting the wheel rolling bearing device to the vehicle body at a predetermined angle in the circumferential direction.

外輪１の内周面には、複列の内周軌道１ａ１，１ａ２が設けられている。車両の外端部側の内周部には、後述する内輪との間を密封する密封シール７が設けられている。また、外輪１の車両中心側の端部には、軸受を密封する密封板８が取付けられている。 On the inner peripheral surface of the outer ring 1, double-row inner peripheral tracks 1a 1 and 1a 2 are provided. A sealing seal 7 is provided on the inner peripheral portion on the outer end side of the vehicle to seal the space between the inner ring and the inner ring described later. A sealing plate 8 for sealing the bearing is attached to the end of the outer ring 1 on the vehicle center side.

内輪２は、車両の外端部に車輪取付け用ハブフランジ２ｆを一体に有し、車両中心側は終端部２１となっているハブＨｕである。このハブＨｕは車両外端部側には、第１軌道として外周軌道２ａを一体に有し、終端部には別体の内輪要素３を加締め固定している中実軸である。内輪要素３の外周には第２軌道として外周軌道３ａを有している。外周軌道２ａ、３ａは内周軌道１ａ１、１ａ２と対向している。 The inner ring 2 is a hub Hu that integrally has a wheel mounting hub flange 2f at the outer end of the vehicle, and has a terminal end 21 on the vehicle center side. The hub Hu is a solid shaft that integrally has an outer peripheral track 2a as a first track on the outer end side of the vehicle, and a separate inner ring element 3 is fixed by caulking at the end portion. On the outer periphery of the inner ring element 3, an outer peripheral track 3a is provided as a second track. The outer peripheral tracks 2a and 3a are opposed to the inner peripheral tracks 1a 1 and 1a 2 .

車輪取付け用ハブフランジ２ｆには、車輪を取付けるための４個のボルト固定穴２ｈが同一円周上に等角配置に設けられ、予めボルト２ｇが取付けられている。そして、ボルト固定穴２ｈと隣のボルト固定穴２ｈの円周方向の間には、外輪１を車体へ取付ける際に必要なボルト締め作業をハブＨｕの外方Ｅより可能とする作業穴２ｊが４箇所に穿設されている。この作業穴２ｊは、異形で円周方向に長穴になっていて、略等配の位置に穿設されている。   The wheel mounting hub flange 2f is provided with four bolt fixing holes 2h for mounting a wheel in an equiangular arrangement on the same circumference, and bolts 2g are attached in advance. Between the bolt fixing hole 2h and the adjacent bolt fixing hole 2h in the circumferential direction, there is a work hole 2j that enables the bolt tightening work required for attaching the outer ring 1 to the vehicle body from the outside E of the hub Hu. There are 4 holes. The work holes 2j are irregularly shaped and have elongated holes in the circumferential direction, and are formed at substantially equal positions.

ハブフランジ２ｆの外周は円形状であるが、軽量化のために、強度を維持するのに、特に、４個のボルト固定穴２ｈを含む略４角形の部分を肉厚部２ｋにし、その外側部分は、前記４角形の部分よりも肉薄部２ｍにしている。   Although the outer periphery of the hub flange 2f is circular, in order to maintain the strength in order to reduce the weight, in particular, the substantially rectangular portion including the four bolt fixing holes 2h is made the thick portion 2k, and the outside thereof The portion is thinner than the quadrangular portion.

長穴である作業穴２ｊは、肉薄部２ｍに形成されていて、肉厚部２ｋまで入り込んでいないので、ボルト固定穴２ｈから長穴２ｊまでの離隔寸法Ｄは強度を保持できるように大きく設定されている。また、この長穴２ｊはボルト締め作業工具（図示略）による作業の効率上、工具が通過できるに十分な余裕をもった寸法で設定されている。
また、作業穴が長穴で、しかも４箇所あるので、作業穴と外輪フランジ２ｆの４箇所の取付け用貫通穴１ｊと円周方向の位相がある程度の範囲で異なっても、車輪用取付けフランジ２ｆを、位相の異なっている範囲で回転させれば、位相を合わせることができ、ボルト締め作業の効率を低下させるなどには至らない。作業穴を長穴にしたので、更なる軽量化も可能である。 The work hole 2j, which is a long hole, is formed in the thin part 2m and does not enter the thick part 2k. Therefore, the separation dimension D from the bolt fixing hole 2h to the long hole 2j is set large so as to maintain the strength. Has been. Further, the long hole 2j is set with a dimension having a sufficient margin for allowing the tool to pass therethrough in terms of efficiency of work by a bolt tightening work tool (not shown).
Further, since the work hole is a long hole and has four places, even if the work hole and the four through holes for mounting 1j of the outer ring flange 2f and the circumferential phase are different within a certain range, the wheel mounting flange 2f If they are rotated within a range where the phases are different, the phases can be matched, and the efficiency of the bolting operation cannot be reduced. Since the work hole is a long hole, further weight reduction is possible.

ボール５，５は内周軌道と外周軌道間に介在して、外輪１と内輪２の相対回転を可能にしている。   The balls 5 and 5 are interposed between the inner raceway and the outer raceway to enable the outer ring 1 and the inner ring 2 to rotate relative to each other.

保持器６，６は内外輪間において、ボール５，５を保持している。   The cages 6 and 6 hold the balls 5 and 5 between the inner and outer rings.

ハブフランジ２ｆ側には、外輪１と内輪２間を密封する密封シール７が取付けられている。   On the hub flange 2f side, a sealing seal 7 for sealing between the outer ring 1 and the inner ring 2 is attached.

また、車両中心側の外輪端部には、密封板８が取付けられ、軸受を密封している。   A sealing plate 8 is attached to the outer ring end on the vehicle center side to seal the bearing.

本発明の実施形態１を説明する断面図である。It is sectional drawing explaining Embodiment 1 of this invention. 図１の矢視Ａ−Ａから見た側面図である。It is the side view seen from arrow AA of FIG. 従来技術を示す断面図である。It is sectional drawing which shows a prior art. 図３の矢視Ｂ−Ｂから見た側面図である。It is the side view seen from arrow BB of FIG.

符号の説明Explanation of symbols

Ｈｕ：ハブ
１：外輪
１ａ１、１ａ２：内周軌道
１ｆ：外輪のフランジ
１ｊ：貫通穴
２：内輪
３：内輪要素
２ａ，３ａ：外周軌道
２ｆ：ハブフランジ
２ｇ：取付けボルト
２ｈ：ボルト固定穴
２ｊ：作業穴
２ｋ：肉厚部
２ｍ：肉薄部
５：ボール
６：保持器
７：密封シール
８：密封板 Hu: Hub 1: Outer ring 1a 1 , 1a 2 : Inner ring raceway 1f: Outer ring flange 1j: Through hole 2: Inner ring 3: Inner ring element 2a, 3a: Outer ring raceway 2f: Hub flange 2g: Mounting bolt 2h: Bolt fixing hole 2j: Working hole 2k: Thick part 2m: Thin part 5: Ball 6: Cage 7: Sealing seal 8: Sealing plate

Claims (2)

車体への取付け用フランジを外周部に有する外輪と、
外端部に車輪取付け用ハブフランジを一体に形成した内輪と、
内外輪間に介装され内外輪の相対回転を可能とする転動体と、
を有する車輪用ころがり軸受装置において、
前記ハブフランジには車輪取付け用ボルト固定穴が円周方向に所定角離隔して複数個穿設されると共に、前記ボルト固定穴間に、複数個の異形の貫通開口部が形成されていることを特徴とする車輪用ころがり軸受装置。 An outer ring having a flange for mounting to the vehicle body on the outer periphery;
An inner ring integrally formed with a wheel mounting hub flange at the outer end;
A rolling element interposed between the inner and outer rings and enabling relative rotation of the inner and outer rings;
In the wheel rolling bearing device having
A plurality of wheel fixing bolt fixing holes are formed in the hub flange at predetermined angular intervals in the circumferential direction, and a plurality of irregular shaped through openings are formed between the bolt fixing holes. A rolling bearing device for a wheel characterized by the above. 前記貫通開口部が円周方向の長穴であることを特徴とする請求項１に記載の車輪用ころがり軸受装置。   The wheel rolling bearing device according to claim 1, wherein the through opening is a long hole in a circumferential direction.
JP2004177139A 2004-06-15 2004-06-15 Roller bearing unit for wheel Withdrawn JP2006001316A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004177139A JP2006001316A (en) 2004-06-15 2004-06-15 Roller bearing unit for wheel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004177139A JP2006001316A (en) 2004-06-15 2004-06-15 Roller bearing unit for wheel

Publications (1)

Publication Number Publication Date
JP2006001316A true JP2006001316A (en) 2006-01-05

Family

ID=35770092

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004177139A Withdrawn JP2006001316A (en) 2004-06-15 2004-06-15 Roller bearing unit for wheel

Country Status (1)

Country Link
JP (1) JP2006001316A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011207298A (en) * 2010-03-29 2011-10-20 Jtekt Corp Inner ring of bearing device for wheel
JP2013166518A (en) * 2012-02-17 2013-08-29 Jtekt Corp Hub unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011207298A (en) * 2010-03-29 2011-10-20 Jtekt Corp Inner ring of bearing device for wheel
JP2013166518A (en) * 2012-02-17 2013-08-29 Jtekt Corp Hub unit

Similar Documents

Publication Publication Date Title
US7648284B2 (en) Bearing apparatus for a wheel of vehicle
EP1722115B1 (en) Wheel support bearing assembly
US8104970B2 (en) Wheel bearing apparatus for a vehicle
JP2008121839A (en) Bearing device for wheel
EP1500524A2 (en) Wheel support bearing assembly
US7832941B2 (en) Bearing apparatus for a wheel of vehicle
JP2007126087A (en) Bearing device for wheel
WO2008029508A1 (en) Bearing device for wheel
JP2008055984A (en) Bearing device for wheel
JP6665553B2 (en) Rolling bearing unit for wheel support
JP2003094905A (en) Bearing device for axle
JP5964017B2 (en) Wheel bearing device
JP5187877B2 (en) Wheel bearing device
JP2006001316A (en) Roller bearing unit for wheel
JP2007309413A (en) Wheel bearing device
JP2008121813A (en) Bearing device for wheel
JP2005059832A (en) Wheel bearing assembly
JP2009154601A (en) Wheel bearing device
JP2008121838A (en) Bearing device for wheel
JP2009150490A (en) Bearing device for axle
JP5024850B2 (en) Wheel bearing device
JP6844899B2 (en) Bearing device for wheels
JP2008169899A (en) Wheel bearing device
JP2008051165A (en) Bearing device for wheel
JP4779313B2 (en) Rolling bearings for wheels

Legal Events

Date Code Title Description
A300 Withdrawal of application because of no request for examination

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 20070904