JPH01128022U - - Google Patents
Info
- Publication number
- JPH01128022U JPH01128022U JP2394088U JP2394088U JPH01128022U JP H01128022 U JPH01128022 U JP H01128022U JP 2394088 U JP2394088 U JP 2394088U JP 2394088 U JP2394088 U JP 2394088U JP H01128022 U JPH01128022 U JP H01128022U
- Authority
- JP
- Japan
- Prior art keywords
- inner circumferential
- hollow portion
- circumferential surface
- hollow
- hardening
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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
- F16C33/34—Rollers; Needles
Description
第１図イは本発明の一実施例の縦断面図、第１
図ロは第１図イの応力分布図、第２図イは本考案
の開発過程での中空円筒ころの縦断面図、第２図
ロは第２図イの応力分布図である。
１０……中空ころ、１１……外周面、１２……
端面、１３……硬化部分、１４……中空部、１５
……内周面、１６……周段部。
FIG. 1A is a longitudinal cross-sectional view of one embodiment of the present invention;
Figure B is a stress distribution diagram of Figure 1A, Figure 2A is a longitudinal cross-sectional view of the hollow cylindrical roller during the development process of the present invention, and Figure 2B is a stress distribution diagram of Figure 2A. 10...Hollow roller, 11...Outer peripheral surface, 12...
End face, 13... Hardened portion, 14... Hollow part, 15
...Inner circumferential surface, 16... Circumferential stepped portion.
Claims (1)
ともに、前記中空部内周面の両端部に端面の硬化
厚みｔよりも大きい幅ｔ１を有する周段部を形成
し、前記中空部内周面及び前記周段部表面に軟質
部分を残存させていることを特徴とする中空ころ
。 A hardening treatment is applied to the surfaces other than the inner circumferential surface of the hollow portion, and circumferential step portions having a width t1 larger than the hardening thickness t of the end surfaces are formed at both ends of the inner circumferential surface of the hollow portion, and the inner circumferential surface of the hollow portion and the A hollow roller characterized by a soft portion remaining on the surface of the circumferential step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2394088U JPH01128022U (en) | 1988-02-24 | 1988-02-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2394088U JPH01128022U (en) | 1988-02-24 | 1988-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01128022U true JPH01128022U (en) | 1989-08-31 |
Family
ID=31243360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2394088U Pending JPH01128022U (en) | 1988-02-24 | 1988-02-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01128022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005050038A1 (en) * | 2003-11-18 | 2005-06-02 | Ntn Corporation | Double-row self-aligning roller bearing and device for supporting wind turbine generator main shaft |
-
1988
- 1988-02-24 JP JP2394088U patent/JPH01128022U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005050038A1 (en) * | 2003-11-18 | 2005-06-02 | Ntn Corporation | Double-row self-aligning roller bearing and device for supporting wind turbine generator main shaft |