JPS6157230U - - Google Patents
Info
- Publication number
- JPS6157230U JPS6157230U JP14345984U JP14345984U JPS6157230U JP S6157230 U JPS6157230 U JP S6157230U JP 14345984 U JP14345984 U JP 14345984U JP 14345984 U JP14345984 U JP 14345984U JP S6157230 U JPS6157230 U JP S6157230U
- Authority
- JP
- Japan
- Prior art keywords
- outer ring
- circumferential surface
- cylindrical portion
- seal body
- inner circumferential
- 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
- 239000002184 metal Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Description
第１図はこの考案の第１の実施例を示す縦断面
図、第２図は第１図の要部拡大図、第３図はこの
考案の第２の実施例を示す第２図相当図、第４図
及び第５図はそれぞれ従来技術を示す縦断面図で
ある。
２…外輪、３…ころ、５，６…鍔部、７…シー
ル体、８…心金、９…弾性部材、１０…軸、８１
…筒部、８２…フランジ部、８３…接触部、９１
…弾性部材本体、９２…シールリツプ、９３…延
長部。
Fig. 1 is a vertical sectional view showing a first embodiment of this invention, Fig. 2 is an enlarged view of the main part of Fig. 1, and Fig. 3 is a view equivalent to Fig. 2 showing a second embodiment of this invention. , FIG. 4, and FIG. 5 are longitudinal sectional views showing the prior art, respectively. 2... Outer ring, 3... Roller, 5, 6... Flange, 7... Seal body, 8... Core metal, 9... Elastic member, 10... Shaft, 81
...Cylinder part, 82...Flange part, 83...Contact part, 91
...Elastic member main body, 92...Seal lip, 93...Extension portion.
Claims (1)
るシエル状外輪と、該外輪の内周側に配置された
複数個の針状ころと、外輪の両端部の前記鍔部内
方側に固着されたシール体とよりなるシエル形針
状ころ軸受において、前記シール体が、外輪の内
径よりわずかに小さい外径を有する心金と該心金
の半径方向内方に一体的に固着した環状の弾性部
材とからなり、前記外輪の鍔部先端を略直角に内
方に折り曲げて形成した折曲部と外輪の内周面と
の間に前記シール体の弾性部材のみを一部分挟持
するとともに、前記心金を前記弾性部材のころ側
の端面を覆う半径方向フランジ部とこれに続き前
記弾性部材の外周面の一部を覆う筒部に形成し、
該筒部の外周面の少なくとも一部分を外輪内周面
に接触させたことを特徴とする密封形針状ころ軸
受。 (2) 前記シール体の心金の筒部を外輪の鍔部側
に向け半径方向内方にやや傾斜した円すい状に形
成し、該筒部の外周面の最大径部分を外輪内周面
に接触させた実用新案登録請求の範囲第１項に記
載のシエル形針状ころ軸受。 (3) 前記シール体の心金の筒部を円筒状に形成
し、該筒部の外周面全体を外輪内周面に接触させ
た実用新案登録請求の範囲第１項に記載のシエル
形針状ころ軸受。[Claims for Utility Model Registration] (1) A shell-shaped outer ring having flanges extending radially inward at both ends, a plurality of needle rollers arranged on the inner circumferential side of the outer ring, and both ends of the outer ring. In a shell-type needle roller bearing comprising a seal body fixed to the inner side of the flange of the outer ring, the seal body includes a core metal having an outer diameter slightly smaller than the inner diameter of the outer ring and a radially inner surface of the core metal. an annular elastic member integrally fixed to the outer ring, and an elastic member of the seal body is formed between the bent part formed by bending the flange tip of the outer ring inward at a substantially right angle and the inner circumferential surface of the outer ring. Only a portion of the member is held, and the mandrel is formed into a radial flange portion that covers the roller-side end surface of the elastic member and a cylindrical portion that subsequently covers a portion of the outer peripheral surface of the elastic member,
A sealed needle roller bearing characterized in that at least a portion of the outer circumferential surface of the cylindrical portion is in contact with the inner circumferential surface of the outer ring. (2) The cylindrical portion of the mandrel of the seal body is formed into a conical shape that is slightly inclined radially inward toward the flange of the outer ring, and the maximum diameter portion of the outer circumferential surface of the cylindrical portion is formed on the inner circumferential surface of the outer ring. A shell-shaped needle roller bearing according to claim 1 of the claimed utility model registration. (3) The shell-shaped needle according to claim 1, wherein the cylindrical portion of the mandrel of the seal body is formed into a cylindrical shape, and the entire outer circumferential surface of the cylindrical portion is brought into contact with the inner circumferential surface of the outer ring. shaped roller bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14345984U JPS641537Y2 (en) | 1984-09-20 | 1984-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14345984U JPS641537Y2 (en) | 1984-09-20 | 1984-09-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6157230U true JPS6157230U (en) | 1986-04-17 |
| JPS641537Y2 JPS641537Y2 (en) | 1989-01-13 |
Family
ID=30701755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14345984U Expired JPS641537Y2 (en) | 1984-09-20 | 1984-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS641537Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014066357A (en) * | 2012-08-06 | 2014-04-17 | Ab Skf | Bearing device especially for steering column, and rotary engine including the bearing device |
-
1984
- 1984-09-20 JP JP14345984U patent/JPS641537Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014066357A (en) * | 2012-08-06 | 2014-04-17 | Ab Skf | Bearing device especially for steering column, and rotary engine including the bearing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS641537Y2 (en) | 1989-01-13 |