JP2546456Y2 - Rolling bearing with filter seal - Google Patents

Rolling bearing with filter seal

Info

Publication number
JP2546456Y2
JP2546456Y2 JP1991026318U JP2631891U JP2546456Y2 JP 2546456 Y2 JP2546456 Y2 JP 2546456Y2 JP 1991026318 U JP1991026318 U JP 1991026318U JP 2631891 U JP2631891 U JP 2631891U JP 2546456 Y2 JP2546456 Y2 JP 2546456Y2
Authority
JP
Japan
Prior art keywords
seal
filter
inner ring
filter seal
ring
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 - Fee Related
Application number
JP1991026318U
Other languages
Japanese (ja)
Other versions
JPH0488717U (en
Inventor
梅光 小林
忠 江口
洋造 三村
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.)
NTN Corp
Original Assignee
NTN Corp
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 NTN Corp filed Critical NTN Corp
Priority to JP1991026318U priority Critical patent/JP2546456Y2/en
Publication of JPH0488717U publication Critical patent/JPH0488717U/ja
Application granted granted Critical
Publication of JP2546456Y2 publication Critical patent/JP2546456Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72Sealings
    • F16C33/76Sealings of ball or roller bearings
    • F16C33/78Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7803Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
    • F16C33/7813Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for tapered roller bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22Bearings 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
    • F16C19/34Bearings 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 both radial and axial load
    • F16C19/36Bearings 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 both radial and axial load with a single row of rollers
    • F16C19/364Bearings 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 both radial and axial load with a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone

Description

【考案の詳細な説明】[Detailed description of the invention]

【0001】[0001]

【産業上の利用分野】この考案は、フィルタシール付転
がり軸受に関するものである。
BACKGROUND OF THE INVENTION This invention relates to a rolling bearing with a filter seal.

【0002】[0002]

【従来の技術】一般に、自動車のトランスミッションに
おいては、図4に示すように、ギヤではね上げられた潤
滑油をハウジング20の上部に集め、その潤滑油をハウ
ジング20に形成した油通路21からハウジング内部に
戻し、ギヤシャフト22の一側に設けたカバー24の案
内筒25からギヤシャフト22の中心孔23に流動させ
てギヤシャフト22を支持する円すいころ軸受Aや他の
部品を潤滑するようにしている。
2. Description of the Related Art Generally, in a vehicle transmission, as shown in FIG. 4, lubricating oil splashed by gears is collected at an upper portion of a housing 20, and the lubricating oil is supplied from an oil passage 21 formed in the housing 20 to the inside of the housing. And lubricating the tapered roller bearings A and other parts supporting the gear shaft 22 by flowing from the guide cylinder 25 of the cover 24 provided on one side of the gear shaft 22 to the center hole 23 of the gear shaft 22. I have.

【0003】上記潤滑油には、ギヤの摩耗粉等の異物が
混入しており、その異物が円すいころ軸受の内部に侵入
すると、軸受寿命が低下するため、円すいころ軸受Aと
して、フィルタシール付円すいころ軸受が多く用いられ
ている。フィルタシール付円すいころ軸受として、図5
に示すように、外輪30とつば付き内輪31との間に組
込まれた保持器付き円すいころ32の両側位置に一対の
フィルタシール33を組込み、各フィルタシール33の
外径縁を外輪30の軌道面に接触し、そのフィルタシー
ル33の内径部を保持するシール芯金34の内径部のフ
ランジ35を内輪31の小つば36および大つば37の
外側に圧入したものが従来から知られている。
[0003] Foreign substances such as gear wear powder are mixed in the lubricating oil. If the foreign substances enter the inside of the tapered roller bearing, the life of the bearing is shortened. Tapered roller bearings are often used. Fig. 5 As a tapered roller bearing with filter seal
As shown in FIG. 2, a pair of filter seals 33 are incorporated at both sides of a tapered roller 32 with a retainer incorporated between an outer ring 30 and an inner ring 31 with a flange. It is conventionally known that a flange 35 of an inner diameter portion of a seal core metal 34 which comes into contact with a surface and holds the inner diameter portion of the filter seal 33 is press-fitted to the outside of a small collar 36 and a large collar 37 of an inner ring 31.

【0004】[0004]

【考案が解決しようとする課題】ところで、上記フィル
タシール付円すいころ軸受においては、一対のフィルタ
シール33のそれぞれ外径縁を外輪30の軌道面に接触
させた構成であるため、外輪30の幅は内輪31の幅よ
り小さくすることができず、ハウジング20に対する軸
受の組立幅T0 が大きくなりトランスミッションが大型
化する問題がある。
In the tapered roller bearing with a filter seal, the outer diameter of each of the pair of filter seals 33 is in contact with the raceway surface of the outer ring 30. can not be smaller than the width of the inner ring 31, the transmission increases the assembly width T 0 of the bearing with respect to the housing 20 there is a problem of size.

【0005】この考案は上記の問題点を解決し、フィル
タシール付転がり軸受の組立幅を小さくすることを技術
的課題としている。
[0005] This invention solves the above problems and has a technical problem of reducing the assembly width of a rolling bearing with a filter seal.

【0006】[0006]

【課題を解決するための手段】上記の課題を解決するた
めに、この考案においては、外輪と内輪との間に組込ま
れた転動体を保持器にて保持してなる転がり軸受の両側
位置に一対のフィルタシールを組込み、一方のフィルタ
シールの内径縁を内輪の外周面に接触し、そのフィルタ
シールを保持するシール保持具の外径側に外輪に向けて
折曲がるフランジを設け、そのフランジの開口側端部を
外輪の側面に形成された嵌合孔に圧入し、シール芯金の
外側面を内輪の幅面と略面一とした構成を採用したので
ある。
In order to solve the above-mentioned problems, in the present invention, a rolling element incorporated between an outer ring and an inner ring is held by a retainer on both sides of a rolling bearing. A pair of filter seals is incorporated, and the inner peripheral edge of one filter seal contacts the outer peripheral surface of the inner ring, and is directed toward the outer ring on the outer diameter side of the seal holder holding the filter seal.
A bent flange is provided, the opening side end of the flange is pressed into a fitting hole formed on the side surface of the outer ring, and the outer surface of the seal core is made substantially flush with the width surface of the inner ring. It was adopted.

【0007】また、潤滑油を内輪の内側に誘導するた
め、シール保持具を2枚の挾持板で形成し、フィルタシ
ールの表面側に位置する挾持板の内径部に内輪の端面と
所要の間隔をおいて対向するカバー部を設け、そのカバ
ー部の内径縁に内輪の内側に挿入する案内筒を設けた構
成を採用したのである。
Further, in order to guide the lubricating oil to the inside of the inner ring, the seal holder is formed of two holding plates, and the inner surface of the holding plate located on the surface side of the filter seal has a required distance from the end face of the inner ring. Then, a configuration is adopted in which an opposing cover portion is provided, and a guide cylinder inserted into the inner ring is provided on the inner diameter edge of the cover portion.

【0008】[0008]

【作用】上記の構成から成るフィルタシール付転がり軸
受においては、一方のフィルタシールを支持するシール
保持具のフランジを外輪の内径に装着した構成であるた
め、外輪のシール保持具を支持する側の一側面を内輪の
一側面より内側に位置させることが可能になり、外輪の
幅寸法を内輪の幅寸法より小さくすることができる。
In the rolling bearing with a filter seal having the above structure, the flange of the seal holder for supporting one of the filter seals is mounted on the inner diameter of the outer ring. One side surface can be positioned inside one side surface of the inner ring, and the width of the outer ring can be smaller than the width of the inner ring.

【0009】[0009]

【実施例】以下、この考案の一実施例を図1乃至図3に
基づいて説明する。図1は、この考案に係るフィルタシ
ール付ころ軸受の第1の実施例を示す。外輪1の内側に
組込まれた内輪2には小つば3および大つば4が設けら
れ、両つば3、4間に組込んだ円すいころ5が保持器6
で保持されている。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. FIG. 1 shows a first embodiment of a roller bearing with a filter seal according to the present invention. The inner ring 2 incorporated inside the outer ring 1 is provided with a small collar 3 and a large collar 4, and a tapered roller 5 incorporated between the two collars 3, 4 holds a cage 6.
Is held in.

【0010】保持器6の両側位置には一対のフィルタシ
ール7、8が設けられ、内輪2の正面側に設けられたフ
ィルタシール7の内径部は上記小つば3の外周面に接触
し、外径部はシール保持具9によって保持されている。
[0010] A pair of filter seals 7 and 8 are provided on both sides of the retainer 6. The inner diameter of the filter seal 7 provided on the front side of the inner ring 2 contacts the outer peripheral surface of the small collar 3, The diameter portion is held by a seal holder 9.

【0011】シール保持具9は、フィルタシール7の外
径部を両側から挾持する環状の2枚の挾持板9a、9b
から成り、各挾持板9a、9bの外径縁には互に嵌合す
るフランジ10が外輪1に向けて形成され、そのフラン
ジ10の開口側端部が外輪1の背面側に形成した嵌合孔
11に圧入されている。
The seal holder 9 has two annular holding plates 9a and 9b for holding the outer diameter of the filter seal 7 from both sides.
A flange 10 is formed on the outer diameter edge of each of the holding plates 9a and 9b so as to face the outer ring 1 and an open end of the flange 10 is formed on the back side of the outer ring 1. It is pressed into the hole 11.

【0012】また、内輪2の背面側に設けられたフィル
タシール8の外径縁は外輪1の軌道面に接触し、内径部
はシール保持具12によって保持されている。
Further, the outer diameter edge of the filter seal 8 provided on the back side of the inner ring 2 contacts the raceway surface of the outer ring 1, and the inner diameter portion is held by a seal holder 12.

【0013】シール保持具12は、フィルタシール8を
両側から挾持する環状の2枚の挾持板12a、12bか
ら成り、各挾持板12a、12bの内径縁には互に嵌合
するフランジ13が設けられ、そのフランジ13が大つ
ば4の外側に圧入されている。
The seal holder 12 is composed of two annular holding plates 12a and 12b for holding the filter seal 8 from both sides. The flange 13 is pressed into the outside of the large collar 4.

【0014】上記のように、内輪正面側のフィルタシー
ル7の内径縁を小つば3に接触し、そのフィルタシール
7を支持するシール保持具9のフランジ10を外輪1の
嵌合孔11に圧入することにより、フランジ10の圧入
しろを小さくした場合でもフィルタシール7を安定よく
支持することができるため、外輪1の背面をシール保持
具9の外側面より内側に位置させることが可能になり、
外輪1の幅寸法を内輪2の幅寸法より小さくすることが
できる。このため、軸受の組立幅T1 を小さくすること
ができる。
As described above, the inner peripheral edge of the filter seal 7 on the front side of the inner ring comes into contact with the small flange 3, and the flange 10 of the seal holder 9 supporting the filter seal 7 is pressed into the fitting hole 11 of the outer ring 1. By doing so, the filter seal 7 can be stably supported even when the press-fitting margin of the flange 10 is reduced, so that the rear surface of the outer ring 1 can be positioned inside the outer surface of the seal holder 9,
The width of the outer ring 1 can be smaller than the width of the inner ring 2. Therefore, it is possible to reduce the assembly width T 1 of the bearing.

【0015】図1は、上記軸受をトランスミッションの
ハウジング20内に組込んだ状態を示し、内輪正面側の
フィルタシール7は、ハウジング20の内側面と対向し
ている。
FIG. 1 shows a state in which the bearing is assembled in a housing 20 of the transmission. The filter seal 7 on the front side of the inner ring faces the inner side surface of the housing 20.

【0016】上記のような組込み状態において、油通路
21からハウジング内部に潤滑油を供給すると、その潤
滑油は同図の矢印で示すように、シール保持具9の外側
面に沿って流れ、一部は挾持板9aの内径縁からフィル
タシール7を通過して軸受内部に侵入し、円すいころ軸
受を潤滑する。また、軸受の内径部に向けて流動する潤
滑油はギヤシャフト22の中心孔23に流入して他の部
品を潤滑する。
When lubricating oil is supplied into the housing from the oil passage 21 in the above-described assembled state, the lubricating oil flows along the outer surface of the seal holder 9 as shown by the arrow in FIG. The portion passes through the filter seal 7 from the inner diameter edge of the holding plate 9a and enters the inside of the bearing to lubricate the tapered roller bearing. The lubricating oil flowing toward the inner diameter of the bearing flows into the center hole 23 of the gear shaft 22 to lubricate other parts.

【0017】図2は、この考案に係るフィルタシール付
ころ軸受の第2の実施例を示す。この実施例において
は、内輪正面側に位置するシール保持具9の外側の挾持
板9aに内輪正面2aと所要の間隔をおいて対向するカ
バー部14を設け、そのカバー部14の内径縁に内輪2
の内側に挿入する案内筒15を設けた構成としてある。
FIG. 2 shows a second embodiment of a roller bearing with a filter seal according to the present invention. In this embodiment, a cover portion 14 is provided on a holding plate 9a on the outer side of the seal holder 9 located on the front side of the inner ring at a predetermined distance from the front surface 2a of the inner ring. 2
And a guide tube 15 to be inserted into the inside.

【0018】上記のように、カバー部14および案内筒
15を設けたことにより、図1に示すハウジング20へ
の組込み状態において、油通路21からハウジング内部
に流入する潤滑油をギヤシャフト22の中心孔23にス
ムーズに流入させることができる。
As described above, the provision of the cover portion 14 and the guide tube 15 allows the lubricating oil flowing into the housing from the oil passage 21 to flow into the center of the gear shaft 22 in the state of being assembled into the housing 20 shown in FIG. It can flow smoothly into the hole 23.

【0019】なお、中心孔23に流入した潤滑油は、前
述と同様に他の部品を潤滑し、また、一部は案内筒15
の外周に沿って流れてカバー部14と内輪正面2a間の
間隙からフィルタシール7を通過し、円すいころ軸受を
潤滑する。
The lubricating oil that has flowed into the center hole 23 lubricates other parts in the same manner as described above.
Flows through the filter seal 7 from the gap between the cover part 14 and the inner ring front face 2a to lubricate the tapered roller bearing.

【0020】図2に示す実施例では、シール保持具9を
形成する2枚の挾持板9a、9bを金属板のプレス成形
品としたが、各挾持板を合成樹脂の成形品としてもよ
く、あるいは一方の挾持板を金属板のプレス成形品と
し、他方を合成樹脂の成形品としてもよい。
In the embodiment shown in FIG. 2, the two holding plates 9a and 9b forming the seal holder 9 are formed by pressing a metal plate, but each holding plate may be formed by a synthetic resin. Alternatively, one holding plate may be a press-formed product of a metal plate and the other may be a formed product of a synthetic resin.

【0021】図3に示す実施例では、フィルタシール7
の表面側に位置する挾持板9aを合成樹脂の成形品と
し、その挾持板9aの内面に突起16を設け、一方、フ
ィルタシール7の背面側に位置する挾持板9bを金属板
のプレス成形品とし、この挾持板9bに上記突起16が
挿通する孔17を設け、この孔17から挾持板9bの背
面側に突出する突起16の先端部を溶融して2枚の挾持
板9a、9bを結合している。
In the embodiment shown in FIG.
The holding plate 9a located on the front side of the filter plate is made of a synthetic resin, and a projection 16 is provided on the inner surface of the holding plate 9a. On the other hand, the holding plate 9b located on the back side of the filter seal 7 is formed by pressing a metal plate. The holding plate 9b is provided with a hole 17 through which the projection 16 is inserted. The tip of the projection 16 projecting from the hole 17 to the rear side of the holding plate 9b is melted to connect the two holding plates 9a and 9b. doing.

【0022】ここで、フィルタシール7の取付強度の安
定化を図るため、フィルタシール7の内径部と外径部と
を2枚の挾持板9a、9bで挾持力に差をつけて挾持
し、挾持力の強い外径部に上記突起16が挿通する孔を
設けておくようにする。
Here, in order to stabilize the mounting strength of the filter seal 7, the inner diameter portion and the outer diameter portion of the filter seal 7 are clamped by two clamping plates 9a and 9b with a different clamping force. A hole through which the protrusion 16 is inserted is provided in an outer diameter portion having a strong holding force.

【0023】なお、図1乃至図2に示す実施例において
は、転がり軸受として円すいころ軸受を示したが、外輪
とつば付内輪間に円筒ころを組込んだ円筒ころ軸受や玉
軸受に上記と同様にして一対のフィルタシールを取付け
るようにしてもよい。
In the embodiment shown in FIGS. 1 and 2, tapered roller bearings are shown as rolling bearings. Similarly, a pair of filter seals may be attached.

【0024】[0024]

【考案の効果】以上のように、この考案に係るフィルタ
シール付転がり軸受においては、保持器付き転動体の両
側位置に組込んだ一対のフィルタシールの一方を内輪の
外径面に接触し、そのフィルタシールを支持するシール
保持具の外輪側に向けて折曲がるフランジの開口側端部
を外輪の内径に圧入するようにしたので、外輪の一側面
を内輪の一側面より内側に位置させることが可能にな
り、軸受の組立幅を小さくすることができる。
As described above, in the rolling bearing with a filter seal according to the present invention, one of the pair of filter seals incorporated at both sides of the rolling element with the retainer contacts the outer diameter surface of the inner ring, The open end of the flange that bends toward the outer ring side of the seal holder that supports the filter seal is pressed into the inner diameter of the outer ring, so that one side of the outer ring is inside the one side of the inner ring. , And the assembly width of the bearing can be reduced.

【0025】また、トランスミッションに組込んだ使用
において、外輪に支持されたシール保持具は油通路から
ハウジング内部に流入する潤滑油をギヤシャフトの中心
孔に向けて案内するため、図4に示すカバーを不要とす
ることができる。
Further, in use incorporated in the transmission, the seal holder supported by the outer race guides the lubricating oil flowing into the housing from the oil passage toward the center hole of the gear shaft. Can be eliminated.

【0026】さらに、外輪に支持されたシール保持具に
カバー部および案内筒を設けたことにより、潤滑油をギ
ヤシャフトの中心孔にスムーズに導くことができる。
Further, the provision of the cover portion and the guide cylinder on the seal holder supported by the outer ring allows the lubricating oil to be smoothly guided to the center hole of the gear shaft.

【図面の簡単な説明】[Brief description of the drawings]

【図1】この考案に係る転がり軸受の一実施例を示す断
面図
FIG. 1 is a sectional view showing an embodiment of a rolling bearing according to the present invention.

【図2】同上軸受の他の実施例を示す断面図FIG. 2 is a cross-sectional view showing another embodiment of the bearing.

【図3】同上軸受の他の実施例を示す断面図FIG. 3 is a sectional view showing another embodiment of the bearing.

【図4】トランスミッションのギヤシャフトの支持部を
示す断面図
FIG. 4 is a sectional view showing a support portion of a transmission gear shaft.

【図5】従来の転がり軸受を示す断面図FIG. 5 is a sectional view showing a conventional rolling bearing.

【符号の説明】[Explanation of symbols]

1 外輪 2 内輪 3 小つば 4 大つば 5 円すいころ 6 保持器 7、8 フィルタシール 9、12 シール保持具 10、13 フランジ 14 カバー部 15 案内筒 DESCRIPTION OF SYMBOLS 1 Outer ring 2 Inner ring 3 Small brim 4 Large brim 5 Tapered roller 6 Cage 7,8 Filter seal 9,12 Seal holding tool 10,13 Flange 14 Cover part 15 Guide cylinder

Claims (2)

(57)【実用新案登録請求の範囲】(57) [Scope of request for utility model registration] 【請求項1】 外輪と内輪との間に組込まれた転動体を
保持器にて保持してなる転がり軸受の両側位置に一対の
フィルタシールを組込み、一方のフィルタシールの内径
縁を内輪の外周面に接触し、そのフィルタシールを保持
するシール保持具の外径側に外輪に向けて折曲がるフラ
ンジを設け、そのフランジの開口側端部を外輪の側面に
形成された嵌合孔に圧入し、シール保持具の外側面を内
輪の幅面と略面一としたことを特徴とするフィルタシー
ル付転がり軸受。
1. A pair of filter seals are incorporated at both sides of a rolling bearing which holds a rolling element incorporated between an outer ring and an inner ring by a retainer, and the inner peripheral edge of one of the filter seals is fixed to the outer periphery of the inner ring. The flange that contacts the surface and bends toward the outer ring on the outer diameter side of the seal holder that holds the filter seal
With a filter seal, wherein the end of the flange on the opening side is press-fitted into a fitting hole formed on the side surface of the outer ring, and the outer surface of the seal holder is substantially flush with the width surface of the inner ring. Rolling bearing.
【請求項2】 シール保持具がフィルタシールを両側か
ら挾持する2枚の挾持板から成り、フィルタシールの表
面側に位置する挾持板の内径部に内輪の端面と所要の間
隔をおいて対向するカバー部を設け、そのカバー部の内
径縁に内輪の内側に挿入する案内筒を設けた請求項1記
載のフィルタシール付転がり軸受。
2. A seal holding device comprising two holding plates for holding a filter seal from both sides, and opposing the inner surface of the holding plate located on the front side of the filter seal at a predetermined distance from the end face of the inner ring. 2. The rolling bearing with a filter seal according to claim 1, wherein a cover portion is provided, and a guide cylinder inserted inside the inner ring is provided on an inner peripheral edge of the cover portion.
JP1991026318U 1990-05-24 1991-04-18 Rolling bearing with filter seal Expired - Fee Related JP2546456Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1991026318U JP2546456Y2 (en) 1990-05-24 1991-04-18 Rolling bearing with filter seal

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5427790 1990-05-24
JP2-54277 1990-05-24
JP1991026318U JP2546456Y2 (en) 1990-05-24 1991-04-18 Rolling bearing with filter seal

Publications (2)

Publication Number Publication Date
JPH0488717U JPH0488717U (en) 1992-07-31
JP2546456Y2 true JP2546456Y2 (en) 1997-09-03

Family

ID=31948397

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1991026318U Expired - Fee Related JP2546456Y2 (en) 1990-05-24 1991-04-18 Rolling bearing with filter seal

Country Status (1)

Country Link
JP (1) JP2546456Y2 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS443365Y1 (en) * 1964-08-07 1969-02-07
JPS6114239A (en) * 1984-06-25 1986-01-22 ユニロイヤル,インコーポレーテツド Curable rubber blend and manufacture
JPH0448336Y2 (en) * 1986-04-18 1992-11-13

Also Published As

Publication number Publication date
JPH0488717U (en) 1992-07-31

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