JPH0645702Y2 - Cage of thrust roller bearing - Google Patents
Cage of thrust roller bearingInfo
- Publication number
- JPH0645702Y2 JPH0645702Y2 JP1986119201U JP11920186U JPH0645702Y2 JP H0645702 Y2 JPH0645702 Y2 JP H0645702Y2 JP 1986119201 U JP1986119201 U JP 1986119201U JP 11920186 U JP11920186 U JP 11920186U JP H0645702 Y2 JPH0645702 Y2 JP H0645702Y2
- Authority
- JP
- Japan
- Prior art keywords
- cage
- roller
- inclined plate
- rollers
- 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.)
- Expired - Lifetime
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
- F16C33/543—Cages for rollers or needles made from wire, strips, or sheet metal made from sheet metal from a single part
-
- 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)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、スラストころ軸受、特にスラスト円筒ころ
軸受に適した保持器に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a cage suitable for thrust roller bearings, particularly thrust cylindrical roller bearings.
スラストころ軸受には、種々の保持器が考案され、使用
に供されているが、特にスラストころ軸受の保持器は保
持器の両側に対してころの脱落防止を行なわなければな
らない。Various types of cages have been devised for use in thrust roller bearings, and in particular, cages for thrust roller bearings must prevent the rollers from falling off on both sides of the cage.
すなわち、ラジアルころ軸受では、内外輪のどちらかが
つくため、保持器のころ脱落防止は一方向でよいが、ス
ラストころ軸受の場合、保持器が独立しているので、保
持器の両側に対してころの脱落防止を行なう必要があ
る。That is, in a radial roller bearing, either the inner ring or the outer ring is attached, so it is sufficient to prevent the cage from falling off in one direction, but in the case of a thrust roller bearing, the cage is independent, so that It is necessary to prevent falling of the lever.
従来のスラストころ軸受用保持器の具体的な構造として
は、金属板を打抜いて折曲げ加工した一枚物保持器と、
二枚のケース状金属板を組合せた箱形保持器とがある。As a concrete structure of the conventional cage for thrust roller bearings, a single piece cage made by punching and bending a metal plate,
There is a box-shaped cage in which two case-shaped metal plates are combined.
前者の一枚物保持器は、第11図と第12図に示すように、
保持器1の断面形状をM字形やW字形に形成し、ポケッ
ト2に嵌合したころ3を、ころ3の軸心に対して上下に
位置する水平部4、4で保持し、脱落防止を行なうよう
になっている。The former single-piece holder is, as shown in FIGS. 11 and 12,
The cage 1 has an M-shaped or W-shaped cross-section, and the rollers 3 fitted in the pockets 2 are held by the horizontal portions 4 and 4 which are located above and below the axis of the roller 3 to prevent the cage 3 from falling off. I am supposed to do it.
上記の一枚物保持器は、構造が簡単で精度の良いものが
量産できるという利点がある反面、使用できるころの形
状に制限がある。The above-mentioned one-piece object retainer has an advantage that it can be mass-produced with a simple structure and high accuracy, but on the other hand, there is a limitation in the shape of the roller that can be used.
例えば、ニードルや棒状の如き軸方向に長いころには使
用できるが、長さ寸法と径方向寸法が1対1のような円
筒ころの場合、ポケットの長さ寸法が短かくなり、この
長さ寸法範囲内に前記水平部4、4を確保することは、
保持器の折曲加工において困難であり、スラスト円筒こ
ろ軸受への採用は不可能である。For example, although it can be used for axially long rollers such as needles and rods, in the case of a cylindrical roller having a length and a radial dimension of 1: 1, the length of the pocket becomes short, and this length To secure the horizontal portions 4 and 4 within the size range,
The cage is difficult to bend and cannot be used in thrust cylindrical roller bearings.
次に、後者の箱形保持器は、各々にポケットを設けた二
枚の金属板を組合せて構成するため、円筒ころの保持が
行なえることになるが、両金属板に設けたポケット位置
を正確に合わせて組立てる必要があり、使用中にポケッ
ト位置がずれるところの回転に支障をきたす恐れがあ
る。Next, since the latter box-shaped cage is constructed by combining two metal plates with pockets provided in each, cylindrical rollers can be held, but the pocket positions provided on both metal plates can be changed. It has to be assembled correctly, and there is a risk that it may interfere with rotation where the pocket position shifts during use.
また、保持器の製作において、両金属板のポケットを総
て同時に打抜き加工しないかぎり、ポケットピッチにず
れが発生するため、保持器としての実用性は極めてとぼ
しいものである。Further, in manufacturing the cage, unless the pockets of both metal plates are punched at the same time, the pocket pitch is deviated, so that the cage is not very practical.
このように、金属板を用いた保持器においては、一枚物
保持器の方が製作上や使用上に種々の利点を有し、円筒
ころにも一枚物保持器の採用が望まれているのが現状で
ある。As described above, in the cage using the metal plate, the single piece cage has various advantages in manufacturing and use, and it is desired to adopt the single piece cage also in the cylindrical roller. It is the current situation.
この考案は、上記のような点にかんがみてなされたもの
であり、一枚の金属板で円筒ころの保持が行なえる保持
器を提供するのが目的である。The present invention has been made in view of the above points, and an object thereof is to provide a cage capable of holding a cylindrical roller with a single metal plate.
この考案は、上記のような目的を達成するため、保持器
本体を、傾斜板とその内外周に設けた周壁とで断面N字
形に形成し、前記傾斜板に直径と長さ寸法の比が略等し
いころが嵌合する幅と長さのポケットを設け、このポケ
ットの両端部に、ポケット内に向けて突出し、ころの径
方向に対する相反する方向の動きを規制する保持部を形
成し、かつ、上記傾斜板にてころの転動を案内するよう
にした構成としたものである。In order to achieve the above-mentioned object, the present invention forms a cage main body with an N-shaped cross section by an inclined plate and peripheral walls provided on the inner and outer circumferences thereof, and the inclined plate has a diameter-length ratio. Providing pockets having widths and lengths in which rollers are fitted to each other substantially equal to each other, at both end portions of the pockets, there are formed holding portions that project toward the inside of the pockets and restrict movements of the rollers in opposite directions to the radial direction, and The rolling plate is guided by the inclined plate.
〔作用〕 傾斜板に設けたポケットにころを嵌合すると、傾斜板は
ポケットの両側縁における中央部分のころと交差する部
分がころの転動を案内する。[Operation] When the rollers are fitted in the pockets provided on the inclined plate, the inclined plates guide the rolling of the rollers at the portions on both side edges of the pocket that intersect with the central rollers.
ポケットの両端部がころの径方向に対する保持部とな
り、この保持部と内周壁又は外周壁に対するころ端部の
干渉とによってころの脱落防止が得られる。Both ends of the pocket serve as a holding portion in the radial direction of the roller, and the fall of the roller can be prevented by the holding portion and the interference of the roller end portion with the inner peripheral wall or the outer peripheral wall.
以下、この考案の実施例を第1図乃至第10図に基づいて
説明する。An embodiment of the present invention will be described below with reference to FIGS. 1 to 10.
図示にように、保持器本体11は、一枚の金属板を用い、
環状傾斜板12の内周と外周に周壁13、14を連成して断面
N字形に形成され、傾斜板12にころ15を保持するポケッ
ト16が円周方向に一定の間隔で打抜き形成されている。As shown in the figure, the cage main body 11 uses a single metal plate,
A peripheral wall 13, 14 is formed on the inner circumference and the outer circumference of the annular inclined plate 12 to form an N-shaped cross section, and pockets 16 for holding the rollers 15 are punched and formed on the inclined plate 12 at regular intervals in the circumferential direction. There is.
図示の場合、ころ15は直径と長さ寸法の比が等しいスラ
スト円筒ころを示しており、保持器本体11はポケット16
で保持したころ15の両端面に周壁13と14が第1図の如く
接近して対向するように形成されている。In the case shown, the rollers 15 are thrust cylindrical rollers having the same ratio of diameter to length, and the cage body 11 is provided with pockets 16
As shown in FIG. 1, peripheral walls 13 and 14 are formed on both end surfaces of the roller 15 held by the above so as to face each other.
前記ポケット16は、ころ15に丁度嵌合する幅及び長さを
有する平面的な大きさを有し、ころ15の軸方向に位置す
る両端部の幅がころ15の直径よりも狭くなるように形成
されている。The pocket 16 has a planar size that has a width and a length that fits exactly into the roller 15, so that the width of both end portions of the roller 15 positioned in the axial direction is smaller than the diameter of the roller 15. Has been formed.
上記傾斜板12は第1図のように、ころ15の軸線に対して
斜めに横切り、ポケット16の両側縁はころ15の最大径部
分と接触する中央位置が、ころ15の転動に対する案内部
17となり、この両側縁における両端部が互に内側へ突出
するように湾曲し、ころ15の径方向に対する保持部18に
なっている。As shown in FIG. 1, the inclined plate 12 crosses diagonally with respect to the axis of the roller 15, and the side edges of the pocket 16 contact the maximum diameter portion of the roller 15 at the central position, and the guide portion for rolling the roller 15 is provided.
17, both end portions of the both side edges are curved so as to project inward from each other to form a holding portion 18 in the radial direction of the roller 15.
ポケット16の両側案内部17は図示の場合、ポケット全長
の3分の1程度の範囲を直線にすることによって形成し
たが、側縁全体を弧状縁にして案内部17と保持部18を形
成してもよい。In the illustrated case, the both side guide portions 17 of the pocket 16 are formed by linearly forming a range of about one-third of the total length of the pocket. May be.
第1図乃至第6図に示した保持器本体11の第1の例は、
傾斜板12の両側に設けた周壁13と14の高さ寸法を傾斜板
12における上下端の高低差に等しくしている。The first example of the retainer body 11 shown in FIGS. 1 to 6 is
The height dimension of the peripheral walls 13 and 14 provided on both sides of the inclined plate 12 is determined by
It is equal to the height difference between the upper and lower ends in 12.
この場合のポケット16に対するころ15の組込みは、外側
周壁14を外側に倒した開き状態にしてポケット16内にこ
ろ15を嵌込んだ後、外側周壁14を起すように加工すれば
よい。In this case, the roller 15 may be incorporated into the pocket 16 by inserting the roller 15 into the pocket 16 with the outer peripheral wall 14 tilted outward so that the outer peripheral wall 14 is raised, and then the outer peripheral wall 14 is raised.
次に、第7図乃至第10図の保持器本体11は、ポケット16
へのころ15の組込みが周壁14の後加工を必要とすること
なく行なえるようにしたいくつかの異なった例を示して
いる。Next, the retainer main body 11 shown in FIGS.
It shows several different examples in which the incorporation of the roller 15 into the wall can be done without the need for post-machining of the peripheral wall 14.
先ず、第7図に示す第2の例は、内側周壁13の高さが第
1図乃至第6図の第1の例の場合と同じであるのに対
し、外側周壁14の高さ寸法Hを、傾斜板12上にころ15を
ポケット16と位置合せして平行状に置いたとき、ころ15
の端面部が接触するかそれよりも低くなるように設定
し、同図に示した一点鎖線、二点鎖線、実線ところ15を
順番に移動させることにより、ポケット16内へ嵌合する
ことができるようにしている。First, in the second example shown in FIG. 7, the height of the inner peripheral wall 13 is the same as that in the first example of FIGS. 1 to 6, whereas the height dimension H of the outer peripheral wall 14 is H. On the inclined plate 12 when the rollers 15 are aligned in parallel with the pockets 16,
It is possible to fit into the pocket 16 by setting the end face part of the contact point or lower than that, and moving the one-dot chain line, two-dot chain line, and solid line part 15 shown in the figure in order. I am trying.
次に、第8図と第9図の第3の例は、両側周壁13と14の
間隔がころ15の長さよりも比較的広く設定されている場
合に適用する場合であり、外側周壁14は第7図と同じ高
さ寸法に設定されている。Next, the third example of FIG. 8 and FIG. 9 is a case where it is applied when the distance between both side peripheral walls 13 and 14 is set relatively wider than the length of the roller 15, and the outer peripheral wall 14 is It is set to the same height as that in FIG.
ポケット16が厳密にできていればころ15を均一に抱き、
両端部の保持部18でころ15の軸方向の動きを規制できる
が、ポケット16はプレス抜きによる加工のために誤差が
大きく、誤差分だけころ15が軸方向に移動し、抜けの原
因になる。If the pocket 16 is made strictly, hold the roller 15 evenly,
The holders 18 at both ends can regulate the movement of the roller 15 in the axial direction, but the pocket 16 has a large error due to processing by punching, and the roller 15 moves in the axial direction by the amount of the error, which causes slipping out. .
従って、ころ15の端面と内側周壁13の間に発生する隙間
Sを小さくするため、内側周壁13の先端部にポケット16
側に向けて屈曲する突出部13aを折曲げ形成し、この突
出部13aの内面でころ15の軸方向の動きを制限するよう
にしている。Therefore, in order to reduce the gap S generated between the end surface of the roller 15 and the inner peripheral wall 13, the pocket 16 is provided at the tip of the inner peripheral wall 13.
The protruding portion 13a that bends toward the side is formed by bending, and the inner surface of the protruding portion 13a limits the movement of the roller 15 in the axial direction.
また、第10図に示す第3の例は、外側周壁14と内側周壁
13の高さ寸法Hを、共に第7図の第1の例で示した外側
周壁14と同じ条件に設定したものである。The third example shown in FIG. 10 is the outer peripheral wall 14 and the inner peripheral wall.
The height dimension H of 13 is set to the same condition as that of the outer peripheral wall 14 shown in the first example of FIG.
このように、両周壁13、14の高さ寸法Hを低く設定する
と、両周壁13と14の間隔が狭い場合でも第10図一点鎖線
の如く両周壁13、14に干渉を受けることなくポケット16
にころ15を組込むことができると共に、傾斜板12に対し
て何れの面からでもころ15の組込みが行なえるという利
点がある。As described above, when the height H of both peripheral walls 13 and 14 is set to be low, even if the distance between both peripheral walls 13 and 14 is narrow, the pocket 16 does not interfere with both peripheral walls 13 and 14 as indicated by the alternate long and short dash line in FIG.
There is an advantage that the roller 15 can be incorporated into the roller and the roller 15 can be incorporated into the inclined plate 12 from any surface.
この考案の保持器は上記のような構成であり、第6図の
ように、保持器本体11のポケット16内にころ15を嵌合す
ると、第1図や第7図、第8図の如く傾斜板12がころ15
の軸方向に対して斜めに横切り、ポケット16の両側案内
部17がころ15の転動を案内する。The cage according to the present invention has the above-mentioned structure, and when the roller 15 is fitted in the pocket 16 of the cage body 11 as shown in FIG. 6, the cage is as shown in FIGS. 1, 7, and 8. Sloping plate 12 is roller 15
The guides 17 on both sides of the pocket 16 guide the rolling of the rollers 15 while being traversed diagonally with respect to the axial direction of.
また、ポケット16の両端部に設けた保持部18は、第3図
と第4図に示す如く、ころ15の径方向に対する相反する
方向の保持を行ない、この保持部18と両周壁13、14に対
するころ端部の干渉とによって、ころ15の脱落を防止す
る。Further, as shown in FIGS. 3 and 4, the holding portions 18 provided at both ends of the pocket 16 hold the rollers 15 in the directions opposite to the radial direction, and the holding portions 18 and both peripheral walls 13, 14 are held. The interference of the roller end with respect to prevents the roller 15 from falling off.
なお、この考案の保持器は、図示のようなスラスト円筒
ころへの使用に限られるものではなく、ニードルや棒状
のころに対しても使用できる。The cage according to the present invention is not limited to the use for the thrust cylindrical roller as shown in the drawing, but can be used for needles and rod-shaped rollers.
以上のように、この考案によると、断面N字形に形成し
た保持器本体の傾斜板に直径と長さ寸法の比が略等しい
ころが嵌合する幅と長さのポケットを設け、このポケッ
トの両端部に、ころの径方向に対する相反する方向の動
きを規制する保持部を形成し、傾斜板にてころの転動を
案内するようにしたので、傾斜板によってころの転動を
円滑に案内すると同時に、ポケット両端部の保持部によ
って保持器自身でころを脱落しないように保持すること
ができ、しかもポケットに対するころの嵌合操作が簡単
に行なえ、直径と長さの比が略等しいスラスト円筒ころ
の保持を一枚物保持器によって実現することができ、円
筒ころの保持に一枚物保持器の利点を生かすことができ
る。As described above, according to the present invention, the inclined plate of the cage main body formed in the N-shaped cross section is provided with the pockets of the width and the length in which the rollers having the ratios of the diameter and the length are fitted, and the pockets of the pockets are provided. Holding parts are formed at both ends to regulate the movement of the rollers in opposite directions to the radial direction, and the rolling motion of the rollers is guided by the inclined plates, so the rolling motion of the rollers is smoothly guided by the inclined plates. At the same time, the retainers on both ends of the pocket can hold the rollers by the retainer so that they will not fall off, and the operation of fitting the rollers into the pocket can be performed easily, and the thrust cylinder has a diameter-length ratio that is approximately equal. The rollers can be held by the single-piece cage, and the advantages of the single-piece cage can be utilized for holding the cylindrical rollers.
第1図はこの考案に係る保持器の使用状態を示す縦断面
図、第2図は同上の平面図、第3図は第1図の矢印III-
IIIに沿う断面図、第4図は同じく第1図の矢印IV-IVに
沿う断面図、第5図は保持器のポケット部分を示す斜視
図、第6図は保持器の使用状態を示す全体の斜視図、第
7図は保持器の第2の例を示す縦断面図、第8図は同第
3の例を示す縦断面図、第9図は同上の平面図、第10図
は同第3の例を示す縦断面図、第11図と第12図は従来の
保持器を示す縦断面図である。 11……保持器本体、12……傾斜板、13、14……周壁、15
……ころ、16……ポケット、17……案内部、18……保持
部。FIG. 1 is a longitudinal sectional view showing a usage state of the cage according to the present invention, FIG. 2 is a plan view of the same as above, and FIG. 3 is an arrow III- of FIG.
A sectional view taken along line III, FIG. 4 is a sectional view taken along arrow IV-IV of FIG. 1, FIG. 5 is a perspective view showing a pocket portion of the cage, and FIG. 6 is an overall view showing the state of use of the cage. FIG. 7 is a vertical sectional view showing a second example of the cage, FIG. 8 is a vertical sectional view showing the third example, FIG. 9 is a plan view of the same, and FIG. 10 is the same. A vertical sectional view showing a third example, and FIGS. 11 and 12 are vertical sectional views showing a conventional cage. 11 …… Cage body, 12 …… Sloping plate, 13,14 …… Surrounding wall, 15
...... Roller, 16 ...... pocket, 17 ...... guide part, 18 ...... holding part.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭55−33988(JP,A) 実公 昭42−14006(JP,Y1) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-55-33988 (JP, A) Jikkoku 42-14006 (JP, Y1)
Claims (4)
た周壁とで断面N字形に形成し、前記傾斜板に直径と長
さ寸法の比が略等しいころが嵌合する幅と長さのポケッ
トを設け、このポケットの両端部に、ポケット内に向け
て突出し、ころの径方向に対する相反する方向の動きを
規制する保持部を形成し、かつ、上記傾斜板にてころの
転動を案内するようにしたスラストころ軸受の保持器。1. A cage main body is formed by an inclined plate and peripheral walls provided on the inner and outer peripheries thereof to have an N-shaped cross section, and a width in which a roller having a diameter and a length ratio substantially equal to each other is fitted to the inclined plate. A pocket of a length is provided, and at both ends of this pocket, a holding portion is formed which projects toward the inside of the pocket and restricts the movement of the roller in the directions opposite to the radial direction. A cage for thrust roller bearings designed to guide movement.
のころ案内部に形成されている実用新案登録請求の範囲
第1項に記載のスラストころ軸受の保持器。2. A cage for a thrust roller bearing according to claim 1, wherein the center portions of both end edges of the pocket are formed into a linear roller guide portion.
又は両方の高さ寸法を、傾斜板上にころをポケットと位
置合せして平行状に置いたとき、ころの端面部と干渉し
ない高さに設定した実用新案登録請求の範囲第1項に記
載のスラストころ軸受の保持器。3. The height dimension of either or both of the peripheral walls provided on the inner and outer circumferences of the inclined plate is such that when the rollers are placed in parallel on the inclined plate by aligning the rollers with the pockets, The cage for a thrust roller bearing according to claim 1, wherein the cage is set to a height that does not interfere with the utility model registration.
斜板上にころをポケットと位置合せして平行状に置いた
とき、ころの端面部と干渉しない高さに設定し、他方周
壁は先端部にポケット側への屈曲突出部を備えている実
用新案登録請求の範囲第1項に記載のスラストころ軸受
の保持器。4. The height dimension of the one peripheral wall provided on the inclined plate is set to a height that does not interfere with the end face portion of the roller when the roller is aligned with the pocket on the inclined plate and placed in parallel. On the other hand, the cage of the thrust roller bearing according to claim 1, wherein the peripheral wall has a bent projection toward the pocket side at the tip.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986119201U JPH0645702Y2 (en) | 1985-08-09 | 1986-07-31 | Cage of thrust roller bearing |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12288285 | 1985-08-09 | ||
JP60-122882 | 1985-08-09 | ||
JP1986119201U JPH0645702Y2 (en) | 1985-08-09 | 1986-07-31 | Cage of thrust roller bearing |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6287218U JPS6287218U (en) | 1987-06-03 |
JPH0645702Y2 true JPH0645702Y2 (en) | 1994-11-24 |
Family
ID=31497461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986119201U Expired - Lifetime JPH0645702Y2 (en) | 1985-08-09 | 1986-07-31 | Cage of thrust roller bearing |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0645702Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008115931A (en) * | 2006-11-02 | 2008-05-22 | Jtekt Corp | Thrust roller bearing |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4214006Y1 (en) * | 1966-10-18 | 1967-08-10 | ||
US4174138A (en) * | 1978-08-28 | 1979-11-13 | The Torrington Company | Thrust bearing and separator |
-
1986
- 1986-07-31 JP JP1986119201U patent/JPH0645702Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS6287218U (en) | 1987-06-03 |
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