JPH10220469A - Roller bearing with sealing device having preload spring function - Google Patents
Roller bearing with sealing device having preload spring functionInfo
- Publication number
- JPH10220469A JPH10220469A JP3424197A JP3424197A JPH10220469A JP H10220469 A JPH10220469 A JP H10220469A JP 3424197 A JP3424197 A JP 3424197A JP 3424197 A JP3424197 A JP 3424197A JP H10220469 A JPH10220469 A JP H10220469A
- Authority
- JP
- Japan
- Prior art keywords
- sealing device
- preload spring
- spring function
- bearing
- elastic member
- 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.)
- Pending
Links
Landscapes
- Support Of The Bearing (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、予圧バネ（バネ機能に
より軸受に予圧を与えるものをいう。以下同じ。）を備
える転がり軸受の改良に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a rolling bearing having a preload spring (which applies a preload to a bearing by a spring function; the same applies hereinafter).
【０００２】[0002]
【従来の技術】従来、例えば一般モータ等に使用される
軸受100 に予圧を加える場合、ウェーブワッシャ200
（図７）、あるいは皿バネ300 （図８）等のバネを、軸
受100 とハウジング内壁400 との間に配設することで行
っていた。2. Description of the Related Art Conventionally, for example, when a preload is applied to a bearing 100 used for a general motor or the like, a wave washer 200 is used.
(FIG. 7) or a spring such as a disc spring 300 (FIG. 8) is provided between the bearing 100 and the housing inner wall 400.
【０００３】[0003]
【発明が解決しようとする課題】しかし、このように従
来の方式では、予圧バネ（ウェーブワッシャ200 、皿バ
ネ300 ）と軸受100 とが別体であるため取り扱いが面倒
で、特に組み付けに手間がかかっていたものであった。
この不具合はメンテナンス後の再組立時にも同様に生じ
ていた。また、スペースも大きくとらなければならなか
ったことからコスト高を招いていた要因の一つでもあっ
た。However, as described above, in the conventional method, since the preload spring (wave washer 200, disc spring 300) and the bearing 100 are separate bodies, the handling is troublesome, and the assembly is particularly troublesome. It was hanging.
This defect also occurred during reassembly after maintenance. In addition, this was one of the factors that resulted in high costs because the space had to be taken large.
【０００４】そこで、本発明者はシールド（シール）に
予圧バネ機能を付与することで上記各不具合が解決でき
るという着想に達した。本発明は、従来技術の有するこ
のような問題点に鑑みなされたものであり、その目的と
するところは、別途予圧バネを配設しなくとも、密封装
置（シールド，シール）に予圧バネ機能を持たせること
で、組立時などにおける取り扱い性を向上させると同時
にコスト低廉化が図り得る予圧バネ機能を有する転がり
軸受を提供することである。Therefore, the present inventor has come up with the idea that the above-mentioned problems can be solved by providing a preload spring function to the shield (seal). The present invention has been made in view of the above-mentioned problems of the related art, and has as its object to provide a sealing device (shield, seal) with a preload spring function without separately providing a preload spring. It is an object of the present invention to provide a rolling bearing having a preload spring function that can improve the handleability at the time of assembling or the like and at the same time reduce the cost.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
に本発明がなした技術的手段は、外内輪いずれかの固定
輪に固定されると共に、反固定側の一部あるいは全部が
軸心方向の外方に突出されて位置し、アキシャル方向へ
の加重が加わった時にハウジング内壁との間で外内輪に
予圧を加える予圧バネ機能を備えた密封装置を配設した
ことである。In order to solve the above-mentioned problems, a technical solution of the present invention is to fix a vehicle to one of the outer and inner races and to fix a part or the whole of the non-fixed side to the shaft center. A sealing device having a preload spring function for applying a preload to the outer inner ring between the inner wall of the housing and the inner wall of the housing when a load is applied in the axial direction.
【０００６】[0006]
【作用】上記技術的手段により、固定輪に固定された予
圧バネ機能を有する密封装置は、例えばモータハウジン
グの場合、回転輪である内輪に挿入された軸が、該内輪
にアキシャル荷重を加えると、転動体を介して固定輪で
ある外輪に荷重が伝わる。そしてその荷重は、軸受とモ
ータハウジング間に突出状とされている予圧バネ機能を
有する密封装置の反固定側を介してモータハウジングへ
かかる。これにより予圧バネ機能を有する密封装置の反
力が生まれ軸受に予圧がかかる。According to the above-mentioned technical means, a sealing device having a preload spring function fixed to a fixed wheel is provided, for example, in the case of a motor housing, when a shaft inserted into an inner ring as a rotating wheel applies an axial load to the inner ring. The load is transmitted to the outer ring, which is a fixed wheel, via the rolling elements. Then, the load is applied to the motor housing via the non-fixed side of the sealing device having a preload spring function which is formed between the bearing and the motor housing. This generates a reaction force of the sealing device having a preload spring function, and preloads the bearing.
【０００７】[0007]
【実施例】以下、本発明転がり軸受の一実施例を図に基
づいて説明する。図面は本発明転がり軸受の一実施例
で、１は外輪、２は内輪、３は転動体、４は保持器、そ
して５は反固定側の一部あるいは全部が軸心方向の外方
に突出されて位置している予圧バネ機能を有する密封装
置を示す。なお、図中１３は反対側に備えられている周
知の密封装置概略を示す。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the rolling bearing of the present invention will be described below with reference to the drawings. The drawing shows an embodiment of the rolling bearing of the present invention, 1 is an outer ring, 2 is an inner ring, 3 is a rolling element, 4 is a retainer, and 5 is a part or the whole on the non-fixed side protrudes outward in the axial direction. 1 shows a sealing device with a preload spring function located in a closed position. In the figure, reference numeral 13 denotes a schematic view of a well-known sealing device provided on the opposite side.
【０００８】図１乃至図３は、例えばオープン軸受の片
側に予圧バネ機能を有する密封装置５を挿着した第１実
施例を示す。なお、外輪１、内輪２、転動体３、保持器
４にあっては本発明の範囲内において周知構成のものが
適用可能であり、何等限定されるものでないことから特
にそれらの説明は省略する。FIGS. 1 to 3 show a first embodiment in which, for example, a sealing device 5 having a preload spring function is inserted into one side of an open bearing. The outer ring 1, the inner ring 2, the rolling elements 3, and the retainer 4 may have a known configuration within the scope of the present invention, and are not particularly limited. .
【０００９】予圧バネ機能を有する密封装置５は、シー
ルド芯金５ａと、該芯金５ａの内面側に添着される弾性
部材５ｂとで構成されている（図３参照）。The sealing device 5 having a preload spring function is composed of a shield core 5a and an elastic member 5b attached to the inner surface of the core 5a (see FIG. 3).
【００１０】芯金５ａは、バネ鋼のような弾発力のある
金属を使用して全体環状に形成されているのが好まし
く、例えば外周５ｃから半径方向に延びる平坦面５ｄ
と、該平坦面５ｄから外方に向けて断面台形状に膨出さ
せて形成される突出部分５ｅと、そして該突出部分５ｅ
の頂面５ｆから内方に向けて円筒状に突出させて外周５
ｃよりも内方に内周５ｇを位置させるようにシールリッ
プ５ｈが形成されている。また、本実施例では、該シー
ルリップ５ｈと内輪２との間でラビリンスシールを形成
している。なお、本実施例では、その外径ｄ2 を外輪１
の外径ｄ4 と同一径としているが、限定されるものでは
なく、本発明の範囲内において適宜変更可能である。The metal core 5a is preferably formed in a generally annular shape using a resilient metal such as spring steel. For example, a flat surface 5d extending in a radial direction from the outer periphery 5c is used.
A protruding portion 5e formed by bulging outward from the flat surface 5d in a trapezoidal cross section; and the protruding portion 5e
Cylindrically projecting inward from the top surface 5f of the
The seal lip 5h is formed so that the inner circumference 5g is located inward of c. In the present embodiment, a labyrinth seal is formed between the seal lip 5h and the inner ring 2. In this embodiment, the outer diameter d 2 is set to the outer ring 1.
Although the have an outer diameter d 4 of the same diameter, it is not limited and can be appropriately modified within the scope of the present invention.
【００１１】一方、弾性部材５ｂは、ゴム、樹脂等の弾
性材をもって全体環状に形成され、芯金５ａの内面に焼
き付け、接着等の所望固着手段を介して添着されてい
る。弾性部材５ｂは、例えば本実施例では、その外径ｄ
1 を芯金５ａの外径ｄ2 よりも小径で、かつ外輪１の内
径ｄ3 よりも大径状にすることで、ゴムなどの弾性によ
り外輪１の内面１ａに緊迫状に固定され、そして芯金５
ａの平坦面５ｄの内面５ｄ′が外輪１の端面１ｂに密着
されるものとする（図１乃至図３参照）。On the other hand, the elastic member 5b is formed in a generally annular shape by using an elastic material such as rubber or resin, and is baked on the inner surface of the cored bar 5a and attached thereto through a desired fixing means such as adhesion. For example, in this embodiment, the elastic member 5b has an outer diameter d.
1 diameter at than the outer diameter d 2 of the metal core 5a, and by the large径状than the inner diameter d 3 of the outer ring 1, is fixed to the tension shape by the elasticity of the rubber on the inner surface 1a of the outer ring 1, and Core 5
It is assumed that the inner surface 5d 'of the flat surface 5d of FIG. 1A is in close contact with the end surface 1b of the outer race 1 (see FIGS. 1 to 3).
【００１２】本実施例では、外径ｄ1 を芯金５ａの外径
ｄ2 よりも小径として芯金５ａの平坦面５ｄの内面５
ｄ′を外輪１の端面１ｂに密着させるものとしているこ
とから、外輪内面１ａへの弾性部材５ｂの緊迫力を高め
ることができる。尚、上記弾性部材５ｂの形状は一実施
例にすぎず、何等限定されるものではなく、例えば芯金
５ａを外輪１の端面１ｂに接着等の所望固着手段を介し
て備える場合には、外輪１の内径ｄ3 と略同径状として
もよく任意である。In this embodiment, the outer diameter d 1 is made smaller than the outer diameter d 2 of the core 5 a and the inner surface 5 d of the flat surface 5 d of the core 5 a.
Since d 'is brought into close contact with the end surface 1b of the outer ring 1, the tightening force of the elastic member 5b against the inner surface 1a of the outer ring can be increased. The shape of the elastic member 5b is merely an example, and is not limited in any way. For example, when the core metal 5a is provided on the end surface 1b of the outer ring 1 via a desired fixing means such as bonding, the outer ring The inner diameter d 3 may be substantially the same as the inner diameter d 3, and is arbitrary.
【００１３】従って、上記密封装置５は、弾性部材５ｂ
の緊迫力により外輪１の内面１ａに固定されると共に、
芯金５ａの平坦面５ｄの内面５ｄ′が外輪１の端面１ｂ
に密着されて備えられ、突出部分頂面５ｆが軸受外方に
突出状に位置され、モータハウジング６に上記芯金５ａ
の突出部分頂面５ｆを対向せしめた状態で配される（図
１，図２参照）。Therefore, the sealing device 5 includes an elastic member 5b.
Is fixed to the inner surface 1a of the outer race 1 by the tension of
The inner surface 5d 'of the flat surface 5d of the cored bar 5a is the end surface 1b of the outer race 1.
The top surface 5f of the protruding portion is positioned so as to protrude outward from the bearing.
Are arranged with the protruding portion top surfaces 5f facing each other (see FIGS. 1 and 2).
【００１４】そして、軸７により内輪２にアキシャル荷
重が加えられると、転動体３を介して外輪１に荷重が伝
わり、ハウジング６内壁との間に位置している密封装置
５の芯金５ａの突出部分頂面５ｆが、該ハウジング６内
壁を押圧することでハウジング６に伝わり、これにより
芯金５ａの反力が生れ外内輪の間で予圧が加わる。When an axial load is applied to the inner race 2 by the shaft 7, the load is transmitted to the outer race 1 via the rolling elements 3, and the core metal 5 a of the sealing device 5 positioned between the inner race 2 and the inner wall of the housing 6. The protruding portion top surface 5f is transmitted to the housing 6 by pressing the inner wall of the housing 6, whereby a reaction force of the core metal 5a is generated and a preload is applied between the outer and inner rings.
【００１５】また、本実施例では上記せるように外輪１
の内面１ａへの弾性部材５ｂの緊迫力を高めるために、
外径ｄ1 を芯金５ａの外径ｄ2 よりも小径として芯金５
ａの平坦面５ｄの内面５ｄ′を、外輪１の端面１ｂに密
着させるものとしているが、これに限定されるものでは
なく、弾性部材５ｂを外輪１の内面１ａに密着できる構
成とすれば、芯金５ａの平坦面５ｄを外輪１の端面１ｂ
に密着させる構成を採らず芯金５ａの外径ｄ2 を外輪１
の内径ｄ3 と同一径あるいは小径としてもよく任意であ
る。なお、軸受外方へと突出する芯金５ａの形状は上記
形状に限られることなく、本発明の範囲内において任意
に変更可能である。In this embodiment, as described above, the outer race 1
In order to increase the tension of the elastic member 5b on the inner surface 1a of
Core metal outer diameter d 1 as smaller than the outer diameter d 2 of the core metal 5a 5
Although the inner surface 5d 'of the flat surface 5d of a is brought into close contact with the end surface 1b of the outer ring 1, the present invention is not limited to this. The flat surface 5d of the cored bar 5a is connected to the end surface 1b of the outer race 1.
The outer diameter d 2 of the cored bar 5 a is not
Is a well any as the inner diameter d 3 of the same diameter or smaller diameter. In addition, the shape of the core metal 5a protruding outward from the bearing is not limited to the above shape, and can be arbitrarily changed within the scope of the present invention.
【００１６】次に、図４に示す第２実施例を説明する。
本実施例は、外輪１に設けたシールみぞ８に、シールド
のみで構成されている予圧バネ機能を有する密封装置５
を挿着した例である。本実施例における密封装置５は、
例えば外周に形成されて外輪１のシールみぞ８にかしめ
られるカール状部９と、該カール状部９から外方に向け
て断面台形状に膨出せしめた第１突出部分１０と、該第
１突出部分１０からさらに外方に向けて断面台形状に膨
出せしめた第２突出部分１１とで構成されているシール
ドのみからなる。また、本実施例の密封装置５を構成す
る上記シールドは、第１実施例の芯金５ａと同様にバネ
鋼のような弾発力のある金属を使用して全体環状に形成
されているのが好ましい。Next, a second embodiment shown in FIG. 4 will be described.
In the present embodiment, a sealing device 5 having only a shield and having a preload spring function is provided in a seal groove 8 provided in the outer race 1.
This is an example in which is inserted. The sealing device 5 in the present embodiment includes:
For example, a curled portion 9 formed on the outer periphery and crimped in a seal groove 8 of the outer race 1, a first protruding portion 10 bulging outward from the curled portion 9 into a trapezoidal cross section, It consists only of a shield constituted by a second protruding portion 11 bulging outward from the protruding portion 10 further in a trapezoidal cross section. Further, the shield constituting the sealing device 5 of the present embodiment is formed in a generally annular shape using a resilient metal such as spring steel, similarly to the cored bar 5a of the first embodiment. Is preferred.
【００１７】従って、本実施例によれば、密封装置５の
第２突出部分１１が軸受外方に突出状に位置され、モー
タハウジング６に上記第２突出部分１１を対向せしめた
状態で配される（図４参照）ため、軸７により内輪２に
アキシャル荷重が加えられると、転動体３を介して外輪
１に荷重が伝わり、ハウジング６内壁との間に位置して
いる密封装置５の第２突出部分１１が、該ハウジング６
内壁を押圧することでハウジング６に伝わり、これによ
り密封装置５の反力が生れ外内輪の間で予圧が加わる。Therefore, according to the present embodiment, the second protruding portion 11 of the sealing device 5 is disposed so as to protrude outward from the bearing, and the second protruding portion 11 is disposed in the motor housing 6 in a state where the second protruding portion 11 is opposed to the motor housing 6. Therefore, when an axial load is applied to the inner race 2 by the shaft 7, the load is transmitted to the outer race 1 through the rolling elements 3, and the sealing device 5 of the sealing device 5 located between the inner race 2 and the inner wall of the housing 6. 2 The projecting portion 11 is
By pressing the inner wall, it is transmitted to the housing 6, whereby a reaction force of the sealing device 5 is generated, and a preload is applied between the outer and inner rings.
【００１８】なお、本実施例では密封装置５を構成する
シールドに、第１突出部分１０と第２突出部分１１を備
えたものとしているが、軸受外方に突出する部分を備え
る構成であれば、突出部分は連続した一つの突出構造と
してもよく、またその断面形状も台形に限られず円弧状
等本発明の範囲内において任意形状でよい。In this embodiment, the shield constituting the sealing device 5 is provided with the first protruding portion 10 and the second protruding portion 11. However, if the shield is provided with a portion protruding outward from the bearing. The protruding portion may have a continuous one protruding structure, and the cross-sectional shape thereof is not limited to a trapezoid, but may be any shape such as an arc shape within the scope of the present invention.
【００１９】次に、図５に示す第３実施例を説明する。
本実施例は、外輪１に設けたシールみぞ８に、芯金５ａ
と、該芯金５ａの外面に膨出状に備えた弾性部材５ｂと
で構成されている予圧バネ機能を有する密封装置５を挿
着した例である。Next, a third embodiment shown in FIG. 5 will be described.
In the present embodiment, the core metal 5a is provided in the seal groove 8 provided in the outer race 1.
This is an example in which a sealing device 5 having a preload spring function, which is constituted by an elastic member 5b provided in a bulging shape on the outer surface of the cored bar 5a, is inserted.
【００２０】本実施例における密封装置５は、例えば外
周に形成されて外輪１のシールみぞ８にかしめられるカ
ール状部９と、該カール状部９から外方に向けて断面台
形状に膨出せしめた突出部分１２とからなるシールド芯
金５ａと、該芯金５ａの台形状突出部分１２の頂面に、
外方に向けて膨出状に添着されるゴム、樹脂等の弾性部
材５ｂとで構成されている。The sealing device 5 in this embodiment has a curled portion 9 formed, for example, on the outer periphery and crimped in a seal groove 8 of the outer ring 1, and bulges outward from the curled portion 9 into a trapezoidal cross section. The shield core metal 5a including the protruding portion 12 and the top surface of the trapezoidal projection portion 12 of the core metal 5a,
An elastic member 5b, such as rubber or resin, attached to the outside in a bulging shape.
【００２１】また、本実施例の密封装置５を構成する上
記芯金５ａは、第１実施例の芯金５ａと同様にバネ鋼の
ような弾発力のある金属を使用して全体環状に形成され
ているのが好ましい。なお、本実施例では芯金５ａの突
出部分１２の頂面１２ａを外輪１の端面１ｂと面一状と
しているが、軸受外方に弾性部材５ｂを突出せしめる構
成とするものであれば、芯金５ａの形状は本発明の範囲
内において任意に選択可能である。The metal core 5a constituting the sealing device 5 of the present embodiment is formed in an annular shape by using a resilient metal such as spring steel like the metal core 5a of the first embodiment. It is preferably formed. In the present embodiment, the top surface 12a of the protruding portion 12 of the metal core 5a is flush with the end surface 1b of the outer race 1. However, if the elastic member 5b is configured to protrude outward from the bearing, the core may be used. The shape of the gold 5a can be arbitrarily selected within the scope of the present invention.
【００２２】従って、本実施例によれば、密封装置５の
芯金５ａ外面に膨出している弾性部材５ｂが軸受外方に
突出状に位置され、モータハウジング６に上記弾性部材
５ｂを対向せしめた状態で配される（図５参照）ため、
軸７により内輪２にアキシャル荷重が加えられると、転
動体３を介して外輪１に荷重が伝わり、ハウジング６内
壁との間に位置している密封装置５の弾性部材５ｂが、
該ハウジング６内壁を押圧することでハウジング６に伝
わり、これにより密封装置５の反力が生れ外内輪の間で
予圧が加わる。なお、本実施例は主に軽予圧用として利
用される。Therefore, according to the present embodiment, the elastic member 5b protruding from the outer surface of the metal core 5a of the sealing device 5 is positioned so as to protrude outside the bearing, and the elastic member 5b is opposed to the motor housing 6. (See Fig. 5)
When an axial load is applied to the inner ring 2 by the shaft 7, the load is transmitted to the outer ring 1 via the rolling elements 3, and the elastic member 5 b of the sealing device 5 located between the inner ring and the inner wall of the housing 6 is
By pressing the inner wall of the housing 6, it is transmitted to the housing 6, whereby a reaction force of the sealing device 5 is generated and a preload is applied between the outer and inner rings. This embodiment is mainly used for light preload.
【００２３】また、特に図示せしめてはいないが、弾性
部材のみで構成されている一般周知のシール表面のゴム
等を外方に向けて膨出せしめる構成としてもよい（芯金
は内蔵、非内蔵のいずれであってもよい）。Although not specifically shown, a general well-known seal surface made of only an elastic member may be configured to swell outwardly (e.g., with or without a built-in core). May be used).
【００２４】次に、図６に示す第４実施例を説明する。
本実施例は、外輪１に設けたシールみぞ８に、芯金５ａ
と、該芯金５ａの内面に備えた弾性部材５ｂとで構成さ
れている予圧バネ機能を有する密封装置５を挿着した例
である。本実施例では、上記第１実施例で説明した構成
と同一の密封装置５の弾性部材５ｂが、外輪１のシール
みぞ８にかしめ固定されて備えられているものであり、
そのかしめ構成を除けば、その他の構成および作用効果
は第１実施例と同一であるため、同一箇所に同一符号を
付してその説明は省略する。Next, a fourth embodiment shown in FIG. 6 will be described.
In the present embodiment, the core metal 5a is provided in the seal groove 8 provided in the outer race 1.
This is an example in which a sealing device 5 having a preload spring function, which is constituted by an elastic member 5b provided on the inner surface of the cored bar 5a, is inserted. In the present embodiment, the elastic member 5b of the sealing device 5 having the same configuration as that described in the first embodiment is provided by being caulked and fixed to the seal groove 8 of the outer race 1.
Except for the caulking configuration, the other configuration and operation and effect are the same as those of the first embodiment.
【００２５】[0025]
【発明の効果】本発明転がり軸受は、上記説明したよう
に軸受の密封装置（シールド，シール）と予圧バネの機
構が一体化しているため、組み込みが容易となり取り扱
い性が向上し、また予圧バネ配設用の大きなスペースが
不要で省スペース化が図れるためコスト低廉化にもつな
がるという効果がある。According to the rolling bearing of the present invention, as described above, the sealing device (shield, seal) of the bearing and the mechanism of the preload spring are integrated. Since there is no need for a large space for installation and space saving can be achieved, there is an effect that cost can be reduced.
【図１】本発明転がり軸受の実施の一例を示す第１実施
例の縦断面図。FIG. 1 is a longitudinal sectional view of a first embodiment showing an embodiment of a rolling bearing of the present invention.
【図２】図１の要部拡大断面図。FIG. 2 is an enlarged sectional view of a main part of FIG.
【図３】第１実施例に用いられた予圧バネ機構を有する
密封装置の一実施例を一部省略して示す縦断面図。FIG. 3 is a vertical cross-sectional view partially showing an embodiment of a sealing device having a preload spring mechanism used in the first embodiment;
【図４】第２実施例の要部拡大断面図。FIG. 4 is an enlarged sectional view of a main part of the second embodiment.
【図５】第３実施例の要部拡大断面図。FIG. 5 is an enlarged sectional view of a main part of the third embodiment.
【図６】第４実施例の要部拡大断面図。FIG. 6 is an enlarged sectional view of a main part of a fourth embodiment.
【図７】従来技術の縦断面図。FIG. 7 is a longitudinal sectional view of a conventional technique.
【図８】従来技術の縦断面図。FIG. 8 is a longitudinal sectional view of a conventional technique.
１：外輪 ２：内輪 ３：転動体 ４：保持器 ５：予圧バネ機能を有する密封装置 ６：ハウジング ７：軸 1: Outer ring 2: Inner ring 3: Rolling element 4: Cage 5: Sealing device having preload spring function 6: Housing 7: Shaft
Claims (1)
共に、反固定側の一部あるいは全部が軸心方向の外方に
突出されて位置し、アキシャル方向への加重が加わった
時にハウジング内壁との間で外内輪に予圧を加える予圧
バネ機能を備えた密封装置を配設したことを特徴とする
予圧バネ機能を有する密封装置付転がり軸受。1. A housing which is fixed to any one of the outer and inner races and partially or wholly on the non-fixed side is protruded outward in the axial direction, and when a load is applied in the axial direction. A rolling bearing with a sealing device having a preload spring function, wherein a sealing device having a preload spring function for applying a preload to an outer and inner ring is provided between the inner bearing and the inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3424197A JPH10220469A (en) | 1997-02-04 | 1997-02-04 | Roller bearing with sealing device having preload spring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3424197A JPH10220469A (en) | 1997-02-04 | 1997-02-04 | Roller bearing with sealing device having preload spring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10220469A true JPH10220469A (en) | 1998-08-21 |
Family
ID=12408673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3424197A Pending JPH10220469A (en) | 1997-02-04 | 1997-02-04 | Roller bearing with sealing device having preload spring function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10220469A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006307980A (en) * | 2005-04-28 | 2006-11-09 | Toyota Motor Corp | Sealing device and bearing device |
| JP2016056920A (en) * | 2014-09-11 | 2016-04-21 | 日本精工株式会社 | Rolling bearing |
| US11353061B1 (en) | 2020-12-14 | 2022-06-07 | Schaeffler Technologies AG & Co. KG | Preloaded shaft assembly |
-
1997
- 1997-02-04 JP JP3424197A patent/JPH10220469A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006307980A (en) * | 2005-04-28 | 2006-11-09 | Toyota Motor Corp | Sealing device and bearing device |
| JP2016056920A (en) * | 2014-09-11 | 2016-04-21 | 日本精工株式会社 | Rolling bearing |
| US11353061B1 (en) | 2020-12-14 | 2022-06-07 | Schaeffler Technologies AG & Co. KG | Preloaded shaft assembly |
| WO2022132365A1 (en) * | 2020-12-14 | 2022-06-23 | Schaeffler Technologies AG & Co. KG | Preloaded shaft assembly |
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