JP2000087980A - Bearing device - Google Patents
Bearing deviceInfo
- Publication number
- JP2000087980A JP2000087980A JP25880898A JP25880898A JP2000087980A JP 2000087980 A JP2000087980 A JP 2000087980A JP 25880898 A JP25880898 A JP 25880898A JP 25880898 A JP25880898 A JP 25880898A JP 2000087980 A JP2000087980 A JP 2000087980A
- Authority
- JP
- Japan
- Prior art keywords
- shaft body
- caulking
- rolling
- caulked
- 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.)
- Granted
Links
Classifications
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
- F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
- F16C19/184—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
- F16C19/186—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement with three raceways provided integrally on parts other than race rings, e.g. third generation hubs
-
- 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
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact 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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、軸体に転がり軸受
を装着してなる軸受装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bearing device in which a rolling bearing is mounted on a shaft.
【0002】[0002]
【従来の技術】従来のこの種の軸受装置の一例として、
図6に示すような車両用ハブユニットがある。2. Description of the Related Art As an example of this type of conventional bearing device,
There is a vehicle hub unit as shown in FIG.
【0003】図例の車両用ハブユニットBは、軸体とし
てのハブホイール80の軸部81に複列外向きアンギュ
ラ玉軸受82を外嵌装着し、この軸部81の自由端をロ
ーリングかしめにより径方向外向きに膨出変形させて、
この膨出変形したかしめ部85を軸受82の内輪84の
外端面に対して押し付けることによってハブホイール8
0に軸受82を抜け止め固定するようになっている。In the illustrated vehicle hub unit B, a double-row outwardly angular contact ball bearing 82 is externally fitted to a shaft portion 81 of a hub wheel 80 as a shaft body, and the free end of the shaft portion 81 is subjected to rolling caulking. Swell and deform radially outward,
By pressing the swollen and swaged portion 85 against the outer end surface of the inner ring 84 of the bearing 82, the hub wheel 8
The bearing 82 is fixed at 0 to prevent it from falling off.
【0004】なお、上記ハブホイール80の軸部81
は、かしめ前において、図7中の仮想線で示すように、
軸部81の自由端側に円筒形部分を設けた形状になって
おり、この円筒形部分を図8に示すようなかしめ治具9
0を用いてローリングかしめする。このとき、かしめ治
具90の先端を軸部81にあてがい、かしめ治具90を
一点鎖線O回りにローリングさせる。これにより、軸部
81の円筒形部分が径方向外向きに膨出変形されること
になり、この膨出変形したかしめ部85により内輪84
が抜け止めされるようになる。[0004] The shaft 81 of the hub wheel 80 is used.
Before caulking, as shown by a virtual line in FIG.
The cylindrical portion is provided with a cylindrical portion on the free end side of the shaft portion 81, and the cylindrical portion is fixed to the caulking jig 9 as shown in FIG.
Roll caulking using 0. At this time, the tip of the caulking jig 90 is applied to the shaft portion 81, and the caulking jig 90 is rolled around the dashed line O. As a result, the cylindrical portion of the shaft portion 81 is swelled and deformed outward in the radial direction.
Will be stopped.
【0005】[0005]
【発明が解決しようとする課題】上記従来例では、かし
め部85の外端面が丸みを帯びた曲面に形成されている
とともに、このかしめ部85の外径側端面がハブホイー
ル80の軸線Jに対して傾斜する斜面に形成されてい
る。In the above conventional example, the outer end surface of the caulked portion 85 is formed into a rounded curved surface, and the outer diameter side end surface of the caulked portion 85 is aligned with the axis J of the hub wheel 80. It is formed on a slope that is inclined with respect to it.
【0006】ところで、前述のかしめ部85の外径側端
面の形状は、特に管理していないので、かしめ作業ごと
に、かしめ部85の外径側端面の傾き角度がばらつくこ
とがあり、かしめ部85の外径寸法Dが製品ごとに不揃
いになりやすい。Since the shape of the outer diameter side end face of the caulking portion 85 is not particularly controlled, the inclination angle of the outer diameter side end face of the caulking portion 85 may vary for each caulking operation. The outer diameter D of 85 tends to be irregular for each product.
【0007】このようにかしめ部85の外径寸法Dを管
理していなければ、かしめ部85が車両用ハブユットB
の使用場所において近隣の部材に対して干渉するおそれ
がある。ここに改良の余地がある。If the outer diameter D of the caulked portion 85 is not controlled in this way, the caulked portion 85 is
May interfere with nearby members at the place of use. There is room for improvement here.
【0008】したがって、本発明は、軸受装置におい
て、かしめ部の形状安定性を図ることを目的とする。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a bearing device that has a stable shape of a caulked portion.
【0009】[0009]
【課題を解決するための手段】請求項1の発明にかかる
軸受装置は、軸体に転がり軸受を外嵌装着し、この軸体
の自由端側をローリングかしめにより径方向外向きに膨
出変形させて、この膨出変形したかしめ部を転がり軸受
の内輪の外端面に対して押し付けることによって軸体に
転がり軸受を抜け止め固定したもので、前記かしめ部の
外径側端面が、軸体の軸線とほぼ平行な平坦面に形成さ
れている。According to a first aspect of the present invention, there is provided a bearing device in which a rolling bearing is externally mounted on a shaft body, and the free end side of the shaft body is radially outwardly bulged and deformed by rolling caulking. Then, the swollen and deformed caulked portion is pressed against the outer end face of the inner ring of the rolling bearing to fix the rolling bearing to the shaft body, and the outer diameter side end face of the caulked portion is the shaft body. It is formed on a flat surface substantially parallel to the axis.
【0010】請求項2の発明にかかる軸受装置は、軸体
に転がり軸受を外嵌装着し、この軸体の自由端側をロー
リングかしめにより径方向外向きに膨出変形させて、こ
の膨出変形したかしめ部を転がり軸受の内輪の外端面に
対して押し付けることによって軸体に転がり軸受を抜け
止め固定したもので、前記軸体のかしめ前において、そ
の自由端側に円筒形部分を設けるとともに、この円筒形
部分の外径側端縁と内径側端縁とにテーパ状の面取りを
形成し、この面取り角度を管理することにより、ローリ
ングかしめにより得られるかしめ部の外径側端面が、軸
体の軸線とほぼ平行な平坦面に形成されている。In the bearing device according to the second aspect of the present invention, a rolling bearing is externally fitted to the shaft body, and the free end side of the shaft body is radially outwardly deformed by rolling caulking to deform. By pressing the deformed caulking portion against the outer end surface of the inner ring of the rolling bearing, the rolling bearing is retained and fixed to the shaft body, and before the caulking of the shaft body, a cylindrical portion is provided on its free end side. By forming a tapered chamfer on the outer diameter side edge and the inner diameter side edge of the cylindrical portion, and controlling the chamfer angle, the outer diameter side end face of the caulked portion obtained by rolling caulking is It is formed on a flat surface substantially parallel to the body axis.
【0011】このような本発明の構成では、要するに、
かしめ部の外径側端面を軸体の軸線とほぼ平行な平坦面
に形成するようにしている。これにより、かしめ部の外
径寸法を管理しやすくなるので、かしめ部を本発明にか
かる軸受装置の使用場所において近隣の部材に対して干
渉させないようにする場合に有利になる。In such a configuration of the present invention, in short,
The outer diameter side end surface of the caulked portion is formed as a flat surface substantially parallel to the axis of the shaft body. This makes it easier to control the outer diameter dimension of the caulked portion, which is advantageous in preventing the caulked portion from interfering with nearby members at the place where the bearing device according to the present invention is used.
【0012】特に、請求項2の発明のように、かしめ前
の軸体の自由端形状を工夫すれば、ローリングかしめを
行うだけで前述した形状のかしめ部を得ることが可能に
なり、余分な工程を増やす必要がなくなる。In particular, if the free end shape of the shaft body before caulking is devised as in the invention of claim 2, it is possible to obtain a caulked portion having the above-described shape only by performing rolling caulking, and an extra There is no need to increase the number of steps.
【0013】[0013]
【発明の実施の形態】本発明の詳細を図面に示す実施形
態に基づいて説明する。ここでは、軸受装置として車両
用ハブユニットを例に挙げる。DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described based on embodiments shown in the drawings. Here, a vehicle hub unit will be described as an example of the bearing device.
【0014】図1ないし図4は本発明の一実施形態にか
かり、図1は、車両用ハブユニットの縦断側面図、図2
は、かしめ部の拡大図、図3は、軸体のかしめ前の状態
を示す側面図、図4は、かしめ形態を説明するための工
程図である。1 to 4 relate to an embodiment of the present invention. FIG. 1 is a longitudinal sectional side view of a vehicle hub unit, and FIG.
Is an enlarged view of a caulking portion, FIG. 3 is a side view showing a state before caulking of the shaft body, and FIG. 4 is a process diagram for explaining a caulking mode.
【0015】図中、Aは軸受装置としての車両用ハブユ
ニットの全体を示しており、1は軸体としてのハブホイ
ール、2は転がり軸受としての複列外向きアンギュラ玉
軸受、3はかしめ部である。In the figure, A indicates the entire vehicle hub unit as a bearing device, 1 is a hub wheel as a shaft body, 2 is a double row outward angular ball bearing as a rolling bearing, and 3 is a swaged portion. It is.
【0016】ハブホイール1は、図示しない車輪が取り
付けられる環状板部11と、複列外向きアンギュラ玉軸
受2が外装されるとともに、軸端に複列外向きアンギュ
ラ玉軸受2を固定するためのかしめ部3が形成される軸
部12とを備えている。The hub wheel 1 is provided with an annular plate portion 11 to which wheels (not shown) are attached, and a double-row outwardly-directed angular ball bearing 2 and for fixing the double-row outwardly-directed angular ball bearing 2 to the shaft end. A shaft portion 12 on which the caulking portion 3 is formed.
【0017】複列外向きアンギュラ玉軸受2は、軸部1
2の小径外周面12aに外嵌される単一軌道を有する内
輪21と、二列の軌道溝を有する単一の外輪22と、二
列で配設される複数の玉23と、二つの冠形保持器2
4,25とを備えており、前述のハブホイール1の軸部
12の大径外周面12bを一方内輪とする構成になって
いる。なお、外輪22の外周には、径方向外向きのフラ
ンジ26が設けられており、このフランジ26を介して
図示しない車軸ケースなどに非回転に取り付けられる。The double-row outward-facing angular contact ball bearing 2 comprises a shaft 1
An inner ring 21 having a single race fitted to the outer peripheral surface 12a of two small diameters, a single outer race 22 having two rows of race grooves, a plurality of balls 23 arranged in two rows, and two crowns Shape holder 2
4 and 25, and the large-diameter outer peripheral surface 12b of the shaft portion 12 of the hub wheel 1 described above is used as one inner ring. A radially outward flange 26 is provided on the outer periphery of the outer race 22, and is non-rotatably attached to an axle case or the like (not shown) via the flange 26.
【0018】この実施形態では、ハブホイール1の軸部
12のかしめ部3の外径側端面の形状に特徴がある。This embodiment is characterized by the shape of the outer diameter side end face of the caulked portion 3 of the shaft portion 12 of the hub wheel 1.
【0019】つまり、かしめ部3の外径側端面の形状
は、図2に示すように、ハブホイール1の軸線Jとほぼ
平行な平坦面に形成されている。このようなかしめ部3
を得るためには、図3に示すように、かしめ前において
ハブホイール1の軸部12の自由端側に円筒形部分12
cを設け、この円筒形部分12cの外径側端縁と内径側
端縁とにテーパ状の面取り12d,12eを形成してい
る。That is, the outer diameter side end surface of the caulked portion 3 is formed as a flat surface substantially parallel to the axis J of the hub wheel 1 as shown in FIG. Such a caulking part 3
As shown in FIG. 3, the cylindrical portion 12 is attached to the free end side of the shaft portion 12 of the hub wheel 1 before swaging as shown in FIG.
The tapered chamfers 12d and 12e are formed on the outer edge and the inner edge of the cylindrical portion 12c.
【0020】なお、前述の面取り12d,12eは、そ
の軸方向幅Wと、面取り角度θ1,θ2とが軸部12の
円筒形部分12cの厚み寸法に応じて適宜設定される。In the above chamfers 12d and 12e, the axial width W and the chamfer angles θ1 and θ2 are appropriately set according to the thickness of the cylindrical portion 12c of the shaft portion 12.
【0021】このようなハブホイール1の軸部12の小
径外周面12aに対して内輪21を圧入により外嵌装着
してから、軸部12の円筒形部分12cを、従来技術で
の説明に利用した図8に示すようなかしめ治具90を用
いてローリングかしめする。このとき、かしめ治具90
の先端を軸部12の円筒形部分12cにあてがい、かし
め治具90を一点鎖線O回りにローリングさせる。これ
により、軸部12の円筒形部分12cが径方向外向きに
膨出変形されることになり、この膨出変形したかしめ部
3により内輪21が抜け止めされるようになる。After the inner ring 21 is externally fitted to the small-diameter outer peripheral surface 12a of the shaft portion 12 of the hub wheel 1 by press-fitting, the cylindrical portion 12c of the shaft portion 12 is used for explanation in the prior art. The rolling caulking is performed using a caulking jig 90 as shown in FIG. At this time, caulking jig 90
Is applied to the cylindrical portion 12c of the shaft portion 12, and the caulking jig 90 is rolled around the dashed line O. As a result, the cylindrical portion 12c of the shaft portion 12 is bulged and deformed radially outward, and the swaged caulked portion 3 prevents the inner ring 21 from coming off.
【0022】このローリングかしめによる円筒形部分1
2cの膨出変形過程で、まず、図4(a)に示すよう
に、円筒形部分12cの端面と外径側面取り12dとが
面一になり、続いて、図4(b)に示すように、先に面
一になった平坦面と内径側面取り12eとが面一になり
つつ、内輪21の外端面に対して押し付けられることに
なる。ここで、本実施形態と従来例とについて、かしめ
前の円筒形部分12cの軸方向寸法を同一とした場合、
図4(b)中の実線と一点鎖線とで示すように、本実施
形態のかしめ部3の外径側端面の径方向位置が、一点鎖
線で示す従来例のかしめ部の外径側端面の径方向位置よ
りも径方向外側に位置するようになる。この場合、実質
的に、内輪21を押し付けているかしめ長さが従来例に
比べてΔLだけ長くなるので、曲げモーメントに対し有
利になる。Cylindrical part 1 by rolling caulking
In the process of bulging deformation of 2c, first, as shown in FIG. 4 (a), the end face of the cylindrical portion 12c and the outer diameter chamfer 12d become flush, and subsequently, as shown in FIG. 4 (b). Then, the flat surface and the inner diameter chamfer 12e, which have been flushed first, are pressed against the outer end face of the inner race 21 while being flush with each other. Here, when the axial dimension of the cylindrical portion 12c before caulking is the same between the present embodiment and the conventional example,
As shown by the solid line and the one-dot chain line in FIG. 4B, the radial position of the outer diameter side end face of the caulked part 3 of the present embodiment corresponds to the outer diameter side end face of the conventional caulked part shown by the one-dot chain line. It will be located radially outward from the radial position. In this case, the swaging length for pressing the inner ring 21 is substantially longer than the conventional example by ΔL, which is advantageous for the bending moment.
【0023】以上説明したように、かしめ部3の外径側
端面の形状を平坦にするようにすれば、かしめ部3の外
径寸法Dを高精度に管理できるようになるとともに、か
しめ部3の外形形状を安定にできるようになる。これに
より、ハブユニットAの使用場所において近隣の部材に
対してかしめ部3が干渉することを避けるようにできる
他、抜け抗力を安定して確保できるようになって信頼性
向上に貢献できるようになる。As described above, if the outer diameter side end face of the caulked portion 3 is made flat, the outer diameter D of the caulked portion 3 can be controlled with high accuracy, and the caulked portion 3 can be controlled. The external shape can be stabilized. Thus, it is possible to prevent the caulking portion 3 from interfering with a nearby member at the place where the hub unit A is used, and to stably secure the pull-out force, thereby contributing to the improvement of reliability. Become.
【0024】なお、本発明は上記実施形態のみに限定さ
れるものではなく、種々な応用や変形が考えられる。It should be noted that the present invention is not limited to only the above embodiment, and various applications and modifications are conceivable.
【0025】(1) 上記実施形態では、軸受装置とし
て車両の特に従動輪用のハブユニットを例に挙げたが、
図5に示すような駆動輪用のハブユニットとしたり、あ
るいは自動車などのスライドドアのガイドローラならび
にその他の軸受装置全般とすることができる。なお、図
5では、軸体1の中空部分にドライブシャフト4をスプ
ライン嵌合して、ナット5で結合している。(1) In the above embodiment, a hub unit for a vehicle, particularly a driven wheel, has been described as an example of a bearing device.
It can be a hub unit for driving wheels as shown in FIG. 5, or a guide roller for a sliding door of an automobile or the like and other bearing devices in general. In FIG. 5, the drive shaft 4 is spline-fitted to the hollow portion of the shaft body 1 and connected with the nut 5.
【0026】[0026]
【発明の効果】請求項1および2の発明では、かしめ部
の外径側端面の形状を特定することにより、かしめ部の
外径寸法を管理できるように工夫しているので、例えば
本発明にかかる軸受装置の使用場所において近隣の部材
にかしめ部が干渉することを回避できるようになる。According to the first and second aspects of the present invention, the shape of the outer diameter side end face of the caulked portion is specified so that the outer diameter of the caulked portion can be controlled. In the place where the bearing device is used, it is possible to prevent the caulked portion from interfering with a nearby member.
【0027】特に、請求項2の発明のように、かしめ前
の軸体の自由端側形状を工夫すれば、ローリングかしめ
を行うだけで前述した形状のかしめ部を得ることができ
るので、余分な工程を増やす必要がなくなり、製造コス
トを抑制するうえで有利となる。In particular, if the free end side shape of the shaft body before caulking is devised as in the second aspect of the present invention, the caulked portion having the above-described shape can be obtained only by performing rolling caulking. There is no need to increase the number of steps, which is advantageous in suppressing the manufacturing cost.
【図1】本発明の一実施形態の車両用ハブユニットの縦
断側面図FIG. 1 is a longitudinal sectional side view of a vehicle hub unit according to an embodiment of the present invention.
【図2】図1のかしめ部の拡大図FIG. 2 is an enlarged view of a caulked portion in FIG. 1;
【図3】図1の軸体のかしめ前状態を示す要部拡大図FIG. 3 is an enlarged view of a main part showing a state before caulking of the shaft body of FIG. 1;
【図4】図1のかしめ部のかしめ形態を説明するための
工程図FIG. 4 is a process diagram for explaining a caulking mode of a caulking portion in FIG. 1;
【図5】本発明の他の実施形態の車両用ハブユニットの
縦断側面図FIG. 5 is a longitudinal side view of a vehicle hub unit according to another embodiment of the present invention.
【図6】従来例の車両用ハブユニットの縦断側面図FIG. 6 is a longitudinal sectional side view of a conventional vehicle hub unit.
【図7】図5のかしめ部の拡大図FIG. 7 is an enlarged view of a swaged portion in FIG. 5;
【図8】ローリングかしめ形態を示す説明図FIG. 8 is an explanatory view showing a rolling caulking mode.
A 車両用ハブユニット 1 ハブホイール 12 ハブホイールの軸部 2 複列外向きアンギュラ玉軸受 21 軸受の内輪 3 かしめ部 A Hub Unit for Vehicle 1 Hub Wheel 12 Hub Wheel Shaft 2 Double Row Outward Angular Contact Ball Bearing 21 Bearing Inner Ring 3 Caulked Part
───────────────────────────────────────────────────── フロントページの続き (72)発明者 石井 知博 大阪市中央区南船場三丁目5番8号 光洋 精工株式会社内 (72)発明者 御手洗 匡 大阪市中央区南船場三丁目5番8号 光洋 精工株式会社内 (72)発明者 村上 啓款 大阪市中央区南船場三丁目5番8号 光洋 精工株式会社内 Fターム(参考) 3J101 AA03 AA32 AA43 AA54 AA62 AA72 BA53 BA64 BA77 DA20 FA31 FA44 GA02 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tomohiro Ishii 3-5-8 Minamisenba, Chuo-ku, Osaka-shi Inside Koyo Seiko Co., Ltd. (72) Inventor Tadashi Mitarai 3-5-8 Minamisenba, Chuo-ku, Osaka-shi Inside Seiko Co., Ltd. (72) Inventor Keisuke Murakami 3-5-8 Minamisenba, Chuo-ku, Osaka-shi Koyo Seiko Co., Ltd. F-term (reference) 3J101 AA03 AA32 AA43 AA54 AA62 AA72 BA53 BA64 BA77 DA20 FA31 FA44 GA02
Claims (2)
の自由端側をローリングかしめにより径方向外向きに膨
出変形させて、この膨出変形したかしめ部を転がり軸受
の内輪の外端面に対して押し付けることによって軸体に
転がり軸受を抜け止め固定した軸受装置であって、 前記かしめ部の外径側端面が、軸体の軸線とほぼ平行な
平坦面に形成されている、ことを特徴とする軸受装置。A rolling bearing is externally fitted to a shaft body, and the free end side of the shaft body is radially outwardly swelled by rolling caulking, and the swollen deformed caulked portion is formed on an inner ring of the rolling bearing. A bearing device in which the rolling bearing is retained and fixed to the shaft body by pressing against the outer end surface of the shaft member, wherein the outer diameter side end surface of the caulked portion is formed as a flat surface substantially parallel to the axis of the shaft body. And a bearing device characterized by that.
の自由端側をローリングかしめにより径方向外向きに膨
出変形させて、この膨出変形したかしめ部を転がり軸受
の内輪の外端面に対して押し付けることによって軸体に
転がり軸受を抜け止め固定した軸受装置であって、 前記軸体のかしめ前において、その自由端側に円筒形部
分を設けるとともに、この円筒形部分の外径側端縁と内
径側端縁とにテーパ状の面取りを形成し、この面取り角
度を管理することにより、ローリングかしめにより得ら
れるかしめ部の外径側端面が、軸体の軸線とほぼ平行な
平坦面に形成されている、ことを特徴とする軸受装置。2. A rolling bearing is externally fitted to a shaft body, and the free end side of the shaft body is radially outwardly swelled and deformed by rolling caulking, and the swollen and deformed caulked portion is formed on an inner race of the rolling bearing. A bearing device in which the rolling bearing is retained and fixed to the shaft body by pressing against the outer end surface of the shaft body, and before the shaft body is caulked, a cylindrical portion is provided on its free end side, and the cylindrical portion is By forming a tapered chamfer between the outer diameter side edge and the inner diameter side edge, and controlling this chamfer angle, the outer diameter side end face of the caulked portion obtained by rolling caulking is substantially parallel to the axis of the shaft body. A bearing device formed on a simple flat surface.
Priority Applications (1)
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JP25880898A JP4239249B2 (en) | 1998-09-11 | 1998-09-11 | Manufacturing method of bearing device |
Applications Claiming Priority (1)
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JP25880898A JP4239249B2 (en) | 1998-09-11 | 1998-09-11 | Manufacturing method of bearing device |
Publications (2)
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JP2000087980A true JP2000087980A (en) | 2000-03-28 |
JP4239249B2 JP4239249B2 (en) | 2009-03-18 |
Family
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JP25880898A Expired - Fee Related JP4239249B2 (en) | 1998-09-11 | 1998-09-11 | Manufacturing method of bearing device |
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Cited By (7)
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---|---|---|---|---|
JP2002327715A (en) * | 2001-04-27 | 2002-11-15 | Koyo Seiko Co Ltd | Axle bearing device and manufacturing method of the same |
JP2007263360A (en) * | 2006-03-02 | 2007-10-11 | Nsk Ltd | Bearing unit manufacturing method and bearing unit |
EP1598217A3 (en) * | 2004-05-17 | 2008-02-27 | Ntn Corporation | Bearing apparatus for a wheel of vehicle |
JP2012017852A (en) * | 2000-08-21 | 2012-01-26 | Jtekt Corp | Bearing device and method of manufacturing the bearing device |
JP4940529B2 (en) * | 2000-08-21 | 2012-05-30 | 株式会社ジェイテクト | Bearing device and manufacturing method thereof |
WO2015190580A1 (en) * | 2014-06-13 | 2015-12-17 | 日本精工株式会社 | Bearing device and method for manufacturing bearing device |
CN111188830A (en) * | 2018-11-15 | 2020-05-22 | 斯凯孚公司 | Flanged inner ring for pendulum roller forming operation |
-
1998
- 1998-09-11 JP JP25880898A patent/JP4239249B2/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012017852A (en) * | 2000-08-21 | 2012-01-26 | Jtekt Corp | Bearing device and method of manufacturing the bearing device |
JP4940529B2 (en) * | 2000-08-21 | 2012-05-30 | 株式会社ジェイテクト | Bearing device and manufacturing method thereof |
JP2002327715A (en) * | 2001-04-27 | 2002-11-15 | Koyo Seiko Co Ltd | Axle bearing device and manufacturing method of the same |
EP1598217A3 (en) * | 2004-05-17 | 2008-02-27 | Ntn Corporation | Bearing apparatus for a wheel of vehicle |
JP2007263360A (en) * | 2006-03-02 | 2007-10-11 | Nsk Ltd | Bearing unit manufacturing method and bearing unit |
WO2015190580A1 (en) * | 2014-06-13 | 2015-12-17 | 日本精工株式会社 | Bearing device and method for manufacturing bearing device |
JPWO2015190580A1 (en) * | 2014-06-13 | 2017-04-20 | 日本精工株式会社 | Bearing device and bearing device manufacturing method |
US10060472B2 (en) | 2014-06-13 | 2018-08-28 | Nsk Ltd. | Bearing device and method for manufacturing bearing device |
CN111188830A (en) * | 2018-11-15 | 2020-05-22 | 斯凯孚公司 | Flanged inner ring for pendulum roller forming operation |
Also Published As
Publication number | Publication date |
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JP4239249B2 (en) | 2009-03-18 |
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