JP2000097242A - Holder for thrust needle type roller bearing - Google Patents
Holder for thrust needle type roller bearingInfo
- Publication number
- JP2000097242A JP2000097242A JP10267962A JP26796298A JP2000097242A JP 2000097242 A JP2000097242 A JP 2000097242A JP 10267962 A JP10267962 A JP 10267962A JP 26796298 A JP26796298 A JP 26796298A JP 2000097242 A JP2000097242 A JP 2000097242A
- Authority
- JP
- Japan
- Prior art keywords
- roller bearing
- pockets
- thrust needle
- annular
- holder
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/54—Cages for rollers or needles made from wire, strips, or sheet metal
- F16C33/542—Cages for rollers or needles made from wire, strips, or sheet metal made from sheet metal
- F16C33/547—Cages for rollers or needles made from wire, strips, or sheet metal made from sheet metal from two parts, e.g. two discs or rings joined together
-
- 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
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/30—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
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】この発明は、自動車の自動変
速機構やその他主としてスラスト荷重を受ける各種機械
の軸受部に使用されるスラスト針状ころ軸受用保持器に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thrust needle roller bearing retainer used for an automatic transmission mechanism of an automobile and other various bearings mainly receiving a thrust load.
【0002】[0002]
【従来の技術】自動車の自動変速機構等においては、エ
ンジンから取り出した動力でポンプインペラを駆動し、
ステ−タを利用してタ−ビンランナを回転させ、歯車機
構等を介して自動変速を行うが、自動変速機構にはスラ
スト荷重がかかるためスラスト針状ころ軸受が用いられ
る。このようなスラスト針状ころ軸受では、例えば、図
5(A)、(B)に示すように、二枚の環状鋼板12,
13を一方を他方に嵌合するように構成し、これら二枚
の環状鋼板12,13の周方向一定間隔に針状ころ用の
ポケット11p、11p、・・・を設け、針状ころ15
がこれらのポケット11p,・・・から外れないように
組み込まれた保持器11が用いられる。2. Description of the Related Art In an automatic transmission mechanism of an automobile, a pump impeller is driven by power taken out of an engine.
The turbine runner is rotated using a stator to perform automatic transmission via a gear mechanism or the like. A thrust load is applied to the automatic transmission mechanism, and a thrust needle roller bearing is used. In such a thrust needle roller bearing, for example, as shown in FIGS. 5A and 5B, two annular steel plates 12,
13 are arranged so that one of them fits into the other, and pockets 11p, 11p,... For needle rollers are provided at regular intervals in the circumferential direction between these two annular steel plates 12, 13, and needle rollers 15 are provided.
Are used so as not to come off from these pockets 11p,.
【0003】[0003]
【発明が解決しようとする課題】スラスト針状ころ軸受
には、図5(A)、(B)に示すように、ポケット11
pの半径方向の長さLと、保持器11の環状部11aの
幅Dとの差が通常のものに比べて大きく、且つ環状部の
外径側に片寄った位置にこれらのポケット11p、11
p、・・・が設けられるものがある。このような保持器
11は、熱処理時に環状部11jが大きく変形し『反
り』が生じやすく、保持器としての性能が損なわれる場
合があった。また、このような変形が生じると不良品の
発生頻度が上昇し、コスト的にも不利となる。このよう
な問題を解決するための手段として、図4(A)、
(B)に示すように、保持器21のポケット21p,2
1p,・・・を設けた環状部内径側に熱変形抑制用の穴
21a,21a,・・・を円周方向に間隔をおいて設け
たものが知られている(実公平6−48183号)が、
穴21a,21a,・・・を穿設すると強度が低下する
という問題がある。The thrust needle roller bearing has a pocket 11 as shown in FIGS.
The difference between the radial length L of p and the width D of the annular portion 11a of the retainer 11 is larger than that of a normal one, and these pockets 11p, 11 are located at positions offset toward the outer diameter side of the annular portion.
Some are provided with p,. In such a cage 11, the annular portion 11j is greatly deformed at the time of heat treatment, and "warpage" is likely to occur, and the performance as the cage may be impaired. Further, when such deformation occurs, the frequency of defective products increases, which is disadvantageous in terms of cost. As a means for solving such a problem, FIG.
As shown in (B), the pockets 21p, 2
There is known a structure in which holes 21a, 21a,... For suppressing thermal deformation are provided on the inner diameter side of the annular portion provided with 1p,. )But,
When the holes 21a, 21a,... Are formed, there is a problem that the strength is reduced.
【0004】この発明は、上記する課題を解決するため
になされたものであり、熱処理による保持器の変形を防
止し、強度を低下させることなく、熱処理時の不良品発
生を低減し、コストも低減することのできるスラスト針
状ころ軸受用保持器を提供することを目的としている。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and prevents deformation of a retainer due to heat treatment, reduces occurrence of defective products during heat treatment without reducing strength, and reduces costs. It is an object of the present invention to provide a thrust needle roller bearing retainer that can be reduced.
【0005】[0005]
【課題を解決するための手段】即ち、この発明は、上記
する課題を解決するために、請求項1に記載の発明は、
環状部(2j、3j)に設けたポケット(1p)の半径
方向長さ(L)と該環状部(2j、3j)の幅(D)と
の差が比較的大きいスラスト針状ころ軸受用保持器にお
いて、前記環状部(2j、3j)に設けたポケット(1
p)の内径側若しくは外径側に、熱変形抑制用の波形
(2c,2d,・・、3c,3d,・・)を前記各ポケ
ット(1p)と同心円状に設けたことを特徴としてい
る。Means for Solving the Problems In order to solve the above-mentioned problems, the invention according to claim 1 has the following features.
Thrust needle roller bearing retainer in which the difference between the radial length (L) of the pocket (1p) provided in the annular portion (2j, 3j) and the width (D) of the annular portion (2j, 3j) is relatively large. In the container, a pocket (1) provided in the annular portion (2j, 3j).
Waveforms (2c, 2d,..., 3c, 3d,...) for suppressing thermal deformation are provided concentrically with the pockets (1p) on the inner diameter side or outer diameter side of p). .
【0006】また、請求項2に記載の発明は、環状部
(2j、3j)に設けたポケット(1p)の半径方向長
さ(L)と該環状部(2j、3j)の幅(D)との差が
比較的大きいスラスト針状ころ軸受用保持器において、
前記環状部(2j、3j)に設けたポケット(1p)の
内径側若しくは外径側に、熱変形抑制用の凹状の有底穴
(2e(2g)・・)を前記ポケット(1p)と同心円
状に設けたことを特徴としている。According to a second aspect of the present invention, a radial length (L) of a pocket (1p) provided in an annular portion (2j, 3j) and a width (D) of the annular portion (2j, 3j). In the cage for thrust needle roller bearings with a relatively large difference from
On the inner diameter side or outer diameter side of the pocket (1p) provided in the annular portion (2j, 3j), a concave bottomed hole (2e (2g)...) For suppressing thermal deformation is concentric with the pocket (1p). It is characterized by being provided in a shape.
【0007】[0007]
【発明の実施の形態】以下、この発明の具体的実施の形
態について図面を参照して説明する。図1(A)は、こ
の発明のスラスト針状ころ軸受用保持器の第1の実施の
形態の正面図、図1(B)は、図1(A)のA−A矢視
図である。この保持器1は、二枚の鋼板2,3を環状に
加工すると共に、中心部に軸(図示せず)に嵌めるため
の穴4を穿設してある。そして、一方の環状鋼板2の両
端は、軸方向に屈曲して円筒部2a、2bを形成し、他
方の環状鋼板3の両端は、前記環状鋼板とは逆の軸方向
に屈曲して円筒部3a、3bを形成し、これらの円筒部
3a、3bはそれぞれ前記環状鋼板の円筒部2a,2b
に圧入嵌合するようにしてある(勿論、円筒部2a,2
bを円筒部3a、3bに嵌め入れるようにしてもよ
い)。嵌合した環状鋼板2、3の環状部2j、3jには
外側に近い位置に、周方向所定間隔にスラストロ−ラ5
を嵌め入れるためのポケット1p,1p,・・が設けて
ある。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. FIG. 1A is a front view of a first embodiment of a thrust needle roller bearing retainer according to the present invention, and FIG. 1B is a view taken on line AA of FIG. 1A. . The retainer 1 is formed by processing two steel plates 2 and 3 into an annular shape, and also has a hole 4 at the center thereof for fitting to a shaft (not shown). Then, both ends of one annular steel plate 2 are bent in the axial direction to form cylindrical portions 2a and 2b, and both ends of the other annular steel plate 3 are bent in the axial direction opposite to the annular steel plate and become cylindrical portions. 3a and 3b, and these cylindrical portions 3a and 3b are respectively cylindrical portions 2a and 2b of the annular steel plate.
(Of course, the cylindrical portions 2a, 2a).
b may be fitted into the cylindrical portions 3a and 3b). The thrust rollers 5 are provided at predetermined intervals in the circumferential direction at positions close to the outside on the annular portions 2j, 3j of the fitted annular steel plates 2, 3.
Are provided for fitting the pockets 1p, 1p,.
【0008】次に、前記一方の環状鋼板2の環状部2j
に設けたポケット1p,1p,・・の内径側には円周状
に複数の凹凸状の波形2c,2d,2eが前記ポケット
1p,1p,・・と同心円状に形成してある。同様に、
他方の環状鋼板3の環状部3jに設けたポケット1p,
1p,・・の内径側にも円周状に複数の凹凸状の波形3
c,3d,3eがポケット1p,1p,・・と同心円状
に形成してある。これらの波形2c、3c等はプレス加
工によって形成する。即ち、この発明のスラスト針状こ
ろ軸受用保持器1の製作に際しては、一方の環状鋼板2
に、プレス加工により円筒部2a,2bと波形2c,2
d,2e及びポケット1p,1p,・・等を形成し、他
方の環状鋼板3にも 円筒部3a,3bと波形3c,3
d,3e及びポケット1p,1p,・・等を形成し、こ
れら一方の環状鋼板の円筒部2a,2bに、他方の環状
鋼板の円筒部3a,3bを圧入嵌合し、焼入れ等の熱処
理を行う。Next, the annular portion 2j of the one annular steel plate 2
Are provided with a plurality of concavo-convex waveforms 2c, 2d, 2e circumferentially formed concentrically with the pockets 1p, 1p,. Similarly,
A pocket 1p provided in an annular portion 3j of the other annular steel plate 3,
A plurality of uneven waveforms 3 are also provided on the inner diameter side of 1p,.
c, 3d, 3e are formed concentrically with the pockets 1p, 1p,. These waveforms 2c, 3c, etc. are formed by press working. That is, when manufacturing the thrust needle roller bearing retainer 1 of the present invention, one annular steel plate 2 is used.
Then, the cylindrical portions 2a and 2b and the waveforms 2c and 2
, 2e and pockets 1p, 1p, etc., and the other annular steel plate 3 also has cylindrical portions 3a, 3b and waveforms 3c, 3
d, 3e and pockets 1p, 1p,... are formed. The cylindrical portions 2a, 2b of one of the annular steel plates are press-fitted to the cylindrical portions 3a, 3b of the other annular steel plate, and heat treatment such as quenching is performed. Do.
【0009】上記するように、各環状の鋼板2、3のポ
ケット1p,1p,・・の内径側に波形2c,2d2e
及び波形3c,3d,3eを設けると熱処理の際の熱変
形を抑えることができる。また、環状鋼板2、3に波形
2c、3c等を形成することにより曲げ剛性が大幅に強
化され強度的にも有利となる。尚、前記環状鋼板2,3
に形成する熱変形抑制用の波形2c,・・、3c,・・
の数や幅は、環状部の幅D、ポケット1pの径方向の長
さLと環状部2j、3jの長さDとの比率に応じて適宜
増減することができる。As described above, the waveforms 2c, 2d2e are formed on the inner diameter sides of the pockets 1p, 1p,.
In addition, when the waveforms 3c, 3d, and 3e are provided, thermal deformation during heat treatment can be suppressed. Further, by forming the corrugations 2c, 3c and the like on the annular steel plates 2, 3, the bending rigidity is greatly enhanced, which is advantageous in strength. The annular steel plates 2, 3
, 3c,... For suppressing thermal deformation formed in
Can be appropriately increased or decreased according to the ratio of the width D of the annular portion, the radial length L of the pocket 1p, and the length D of the annular portions 2j, 3j.
【0010】図2(A)は、この発明のスラスト針状こ
ろ軸受用保持器の第2の実施の形態の正面図であり、図
2(B)は、図2(A)のB−B矢視図であり、図2
(C)は図2(A)のC−C矢視図である。この第2の
実施の形態の保持器1’は、二枚の鋼板2,3を環状に
加工すると共に、中心部に軸(図示せず)に嵌めるため
の穴4を穿設してある。第1の実施の形態と同様、一方
の環状鋼板2の両端は、軸方向に屈曲して円筒部2a、
2bを形成し、他方の環状鋼板3の両端は、前記環状鋼
板とは逆の軸方向に屈曲して円筒部3a、3bを形成
し、これらの円筒部3a、3bはそれぞれ前記環状鋼板
の円筒部2a,2bに圧入嵌合するようにしてある。嵌
合した環状鋼板2、3には、環状部2j、3jの外周側
に近い位置に、周方向所定間隔に針状円筒ころ5を嵌め
入れるためのポケット1p,1p,・・が設けてある。FIG. 2 (A) is a front view of a thrust needle roller bearing retainer according to a second embodiment of the present invention, and FIG. 2 (B) is a sectional view taken along line BB of FIG. 2 (A). It is an arrow view, FIG.
(C) is a view on arrow CC of FIG. 2 (A). In the retainer 1 'of the second embodiment, two steel plates 2 and 3 are machined into a ring shape, and a hole 4 for fitting to a shaft (not shown) is formed in the center. As in the first embodiment, both ends of one annular steel plate 2 are bent in the axial direction to form a cylindrical portion 2a,
2b, and both ends of the other annular steel plate 3 are bent in the opposite axial direction to the annular steel plate to form cylindrical portions 3a and 3b, and these cylindrical portions 3a and 3b are respectively formed by the cylindrical members of the annular steel plate. The parts 2a and 2b are press-fitted. The fitted annular steel plates 2, 3 are provided with pockets 1 p, 1 p,... For fitting the needle-shaped cylindrical rollers 5 at predetermined circumferential intervals at positions close to the outer peripheral side of the annular portions 2 j, 3 j. .
【0011】次に、前記一方の環状鋼板2の環状部2j
に設けたポケット1p,1p,・・の内径側には周方向
所定間隔に複数の凹状の有底穴2f,2f,・・が形成
してある。同様に、他方の環状鋼3の環状部3jに設け
たポケット1p,1p,・・の内径側には周方向所定間
隔に複数の凹状の有底穴3f,3f,・・が形成してあ
る。このように、各環状鋼板2、3の環状部2j、3j
に設けたポケット1p,1p,・・内側(内径側)に凹
状の有底穴2f,2f,・・、3f,3f,・・を形成
して部分的に肉厚を減じると、環状部のポケット1p部
分とポケット以外の平坦部分との収縮・膨張量の差によ
って発生する熱変形による『反り』を抑制することがで
きる。また、有底底とすることにより必要最低限度の保
持器強度を確保することができる。尚、これらの凹状の
有底穴2f、3f等の形状は図示例に限らず矩形の有底
穴或いは弓形の長い凹状の有底穴であってもよい。更
に、図2の実施の形態では鋼板2、3の外側に凹状の有
底穴2f、3f等を設けたが、一方或いは両方とも内側
であってもよい。Next, the annular portion 2j of the one annular steel plate 2
Are provided with a plurality of concave bottomed holes 2f, 2f,... At predetermined intervals in the circumferential direction on the inner diameter side of the pockets 1p, 1p,. Similarly, a plurality of concave bottomed holes 3f, 3f,... Are formed at predetermined intervals in the circumferential direction on the inner diameter side of the pockets 1p, 1p,. . Thus, the annular portions 2j, 3j of the annular steel plates 2, 3
.. Formed in the inner side (inner diameter side) of the pockets 1p, 1p,..., 3f, 3f,. "Warping" due to thermal deformation caused by the difference in the amount of contraction / expansion between the pocket 1p portion and the flat portion other than the pocket can be suppressed. In addition, the required minimum strength of the cage can be secured by using the bottom. The shape of these concave bottomed holes 2f, 3f, etc. is not limited to the illustrated example, but may be a rectangular bottomed hole or a long concave concave bottomed hole. Further, in the embodiment shown in FIG. 2, concave bottomed holes 2f, 3f and the like are provided outside the steel plates 2, 3, but one or both may be inside.
【0012】図3は、この発明のスラスト針状ころ軸受
用保持器の第3の実施の形態の正面図である。この保持
器1”は、上記した第2の実施の形態の周方向に長い有
底穴2f、3fの代わりに、他方の環状鋼板3のポケッ
ト1p,1p,・・の環状部3jの内径側には周方向所
定間隔に円形の有底穴3g,・・を多数設けたものであ
る。このように、各環状鋼板3(鋼板2も同様)のポケ
ット1p,1p,・・内側(内径側)に円形の有底穴3
g,3g,・・を多数形成して部分的に肉厚を減じる
と、ポケット1p部分とポケット以外の平坦部分との収
縮・膨張量の差によって発生する熱変形による『反り』
を抑制することができる。また、必要最低限度の保持器
強度を確保することができる。FIG. 3 is a front view of a third embodiment of a thrust needle roller bearing retainer according to the present invention. The retainer 1 ″ is formed on the inner diameter side of the annular portion 3j of the pockets 1p, 1p,... Of the other annular steel plate 3 in place of the circumferentially elongated bottomed holes 2f, 3f of the second embodiment described above. Are provided with a large number of circular bottomed holes 3g at predetermined intervals in the circumferential direction As described above, the pockets 1p, 1p,. 3) Round bottomed hole
When a large number of g, 3g,... are formed and the thickness is partially reduced, "warping" due to thermal deformation caused by the difference in the amount of contraction and expansion between the pocket 1p and the flat portion other than the pocket.
Can be suppressed. Further, the required minimum cage strength can be ensured.
【0013】尚、上記各実施の形態においては、保持器
として二枚の環状鋼板2、3を用いた場合について説明
したが、1枚の鋼板を加工して保持器を形成する場合に
ついても適用することができる。また、上記各実施の形
態では、環状鋼板の外周近傍にポケットを設けた場合に
ついて説明したが、ポケットが環状鋼板の内周側近傍に
設けた場合であって、波形2c,・・、3c,・・や凹
状の有底穴2f、3gや円形有底穴3g等をこれらポケ
ットの外径側に設ける場合にも適用することができる。
また、環状鋼板2、3等の環状部2j、3jの内径側に
設ける有底穴2f、3f等は、実施の形態で示したもの
に限らず種々の形状の有底穴とすることができる。In each of the above embodiments, the case where two annular steel plates 2 and 3 are used as the retainer has been described. However, the present invention is also applicable to the case where one retainer is formed by processing one steel plate. can do. Further, in each of the above embodiments, the case where the pocket is provided near the outer periphery of the annular steel plate has been described. However, the case where the pocket is provided near the inner peripheral side of the annular steel plate, and the waveforms 2c,. It can be applied to the case where slightly concave bottomed holes 2f, 3g, circular bottomed holes 3g, etc. are provided on the outer diameter side of these pockets.
Further, the bottomed holes 2f, 3f and the like provided on the inner diameter side of the annular portions 2j, 3j of the annular steel plates 2, 3 and the like are not limited to those shown in the embodiment, and may be bottomed holes of various shapes. .
【0014】[0014]
【発明の効果】以上詳述したように、この発明のスラス
ト針状ころ軸受用保持器によれば、熱処理時の熱変形に
よる反りを防止て不良品の発生を抑えると共に不良品の
増加によるコストアップを抑えることができる。また、
保持器としての強度も維持することができる。特に、環
状鋼板のポケット内径側に波形を形成することにより曲
げ剛性を強化することもできる。As described above in detail, according to the cage for a thrust needle roller bearing of the present invention, warpage due to thermal deformation at the time of heat treatment is prevented to suppress the occurrence of defective products and increase the cost due to the increase of defective products. Up can be suppressed. Also,
The strength as a retainer can also be maintained. Particularly, by forming a waveform on the inner diameter side of the pocket of the annular steel plate, the bending rigidity can be enhanced.
【図1】図1(A)は、この発明のスラスト針状ころ軸
受用保持器の第1の実施の形態の正面図、図1(B)
は、図1(A)のA−A矢視図である。FIG. 1 (A) is a front view of a first embodiment of a thrust needle roller bearing retainer of the present invention, and FIG. 1 (B).
FIG. 2 is a view as viewed in the direction of arrows AA in FIG.
【図2】図2(A)は、この発明のスラスト針状ころ軸
受用保持器の第2の実施の形態の正面図であり、図2
(B)は、図2(A)のB−B矢視図であり、図2
(C)は、図2(A)のC−C矢視図である。FIG. 2A is a front view of a thrust needle roller bearing retainer according to a second embodiment of the present invention, and FIG.
FIG. 2B is a view taken in the direction of arrows BB in FIG.
(C) is a view on arrow CC of FIG. 2 (A).
【図3】図3は、この発明のスラスト針状ころ軸受用保
持器の第3の実施の形態の正面図である。FIG. 3 is a front view of a thrust needle roller bearing retainer according to a third embodiment of the present invention.
【図4】図4(A)は、熱処理時の熱変形対策を施した
従来の例のスラスト針状ころ軸受用保持器の正面図であ
り、図4(B)は、図4(A)のX−X矢視図である。4 (A) is a front view of a conventional thrust needle roller bearing retainer in which a measure against thermal deformation during heat treatment is taken, and FIG. 4 (B) is FIG. 4 (A). FIG.
【図5】図5(A)は、従来の例のスラスト針状ころ軸
受用保持器の正面図であり、図5(B)は、図5(A)
のY−Y矢視図である。5 (A) is a front view of a conventional thrust needle roller bearing retainer, and FIG. 5 (B) is FIG. 5 (A).
FIG.
1、1’、1” 保持器 1p ポケット 2 環状鋼板 2a,2b 円筒部 2c,2d,2e 波形 2j 環状部 2f、2g 有底穴 3 環状鋼板 3a,3b 円筒部 3c,3d,3e 波形 3j 環状部 3g 有底穴 5 円筒ころ 1, 1 ', 1 "cage 1p pocket 2 annular steel plate 2a, 2b cylindrical portion 2c, 2d, 2e waveform 2j annular portion 2f, 2g bottomed hole 3 annular steel plate 3a, 3b cylindrical portion 3c, 3d, 3e waveform 3j annular Part 3g hole with bottom 5 cylindrical roller
Claims (2)
と該環状部の幅との差が比較的大きいスラスト針状ころ
軸受用保持器において、前記環状部に設けたポケットの
内径側若しくは外径側に、熱変形抑制用の波形を前記各
ポケットと同心円状に設けたことを特徴とするスラスト
針状ころ軸受用保持器。1. A thrust needle roller bearing retainer in which a difference between a radial length of a pocket provided in an annular portion and a width of the annular portion is relatively large, an inner side or an outer side of a pocket provided in the annular portion. A thrust needle roller bearing retainer, wherein a waveform for suppressing thermal deformation is provided concentrically with each of the pockets on the radial side.
と該環状部の幅との差が比較的大きいスラスト針状ころ
軸受用保持器において、前記環状部に設けたポケットの
内径側若しくは外径側に、熱変形抑制用の凹状の有底穴
を前記ポケットと同心円状に設けたことを特徴とするス
ラスト針状ころ軸受用保持器。2. A thrust needle roller bearing retainer in which a difference between a radial length of a pocket provided in an annular portion and a width of the annular portion is relatively large, in an inner side or an outer side of a pocket provided in the annular portion. A thrust needle roller bearing retainer, characterized in that a concave bottomed hole for suppressing thermal deformation is provided concentrically with the pocket on the radial side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26796298A JP3814773B2 (en) | 1998-09-22 | 1998-09-22 | Thrust needle roller bearing cage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26796298A JP3814773B2 (en) | 1998-09-22 | 1998-09-22 | Thrust needle roller bearing cage |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000097242A true JP2000097242A (en) | 2000-04-04 |
JP3814773B2 JP3814773B2 (en) | 2006-08-30 |
Family
ID=17452021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP26796298A Expired - Fee Related JP3814773B2 (en) | 1998-09-22 | 1998-09-22 | Thrust needle roller bearing cage |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3814773B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7114854B2 (en) | 2002-11-07 | 2006-10-03 | Ntn Corporation | Thrust roller bearing and cage |
-
1998
- 1998-09-22 JP JP26796298A patent/JP3814773B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7114854B2 (en) | 2002-11-07 | 2006-10-03 | Ntn Corporation | Thrust roller bearing and cage |
Also Published As
Publication number | Publication date |
---|---|
JP3814773B2 (en) | 2006-08-30 |
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