JP2007010012A - 針状ころ軸受 - Google Patents
針状ころ軸受 Download PDFInfo
- Publication number
- JP2007010012A JP2007010012A JP2005190521A JP2005190521A JP2007010012A JP 2007010012 A JP2007010012 A JP 2007010012A JP 2005190521 A JP2005190521 A JP 2005190521A JP 2005190521 A JP2005190521 A JP 2005190521A JP 2007010012 A JP2007010012 A JP 2007010012A
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- JP
- Japan
- Prior art keywords
- outer ring
- needle roller
- ring member
- roller bearing
- cage
- 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.)
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- 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
- F16C19/44—Needle bearings
- F16C19/46—Needle bearings with one row or needles
- F16C19/466—Needle bearings with one row or needles comprising needle rollers and an outer ring, i.e. subunit without inner ring
-
- 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
- F16C33/58—Raceways; Race rings
- F16C33/62—Selection of substances
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Rolling Contact Bearings (AREA)
Abstract
【解決手段】 針状ころ軸受11は、軸受の軸線方向に延びる分割線によって分割された複数の外輪部材12を有する外輪13と、外輪13の軌道面上に転動自在に配置される複数の針状ころ14と、針状ころ14を保持する保持器15とを備える。外輪部材12は、0.15wt%〜1.1wt%の炭素を含有する材料で形成され、その外周面の円周方向中央部からずれた位置にハウジングに対して外輪13を位置決めする位置決め係合部としての突起12aと、外輪部材12の軸方向端部から径方向内側に突出し、保持器15の軸方向への移動を規制する係合爪12bとを有する。
【選択図】 図4
Description
Claims (3)
- 軸受の軸線方向に延びる分割線によって分割された複数の外輪部材を有する外輪と、
前記外輪の軌道面上に転動自在に配置される複数の針状ころと、
前記複数の針状ころを保持する保持器とを備え、
前記外輪部材は、その円周方向中央からずれた位置に、ハウジングと係合して位置決めを行うための位置決め係合部と、幅方向端部に径方向内側に突出して前記保持器の軸方向への移動を規制する係合爪とを有し、
前記外輪部材の炭素含有量は、0.15wt%〜1.1wt%である、針状ころ軸受。 - 前記外輪部材の炭素含有量は、0.5wt%〜1.1wt%である、請求項1に記載の針状ころ軸受。
- 前記外輪部材は、その円周方向中央部に位置し軸受使用時に負荷領域となる中間領域と、その円周方向端部に位置し軸受使用時に非負荷領域となる端部領域とを有し、
前記位置決め係合部および前記係合爪は、前記中間領域を挟んで反対側の前記端部領域に位置する、請求項1または2に記載の針状ころ軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005190521A JP4480636B2 (ja) | 2005-06-29 | 2005-06-29 | 針状ころ軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005190521A JP4480636B2 (ja) | 2005-06-29 | 2005-06-29 | 針状ころ軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007010012A true JP2007010012A (ja) | 2007-01-18 |
JP4480636B2 JP4480636B2 (ja) | 2010-06-16 |
Family
ID=37748798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005190521A Active JP4480636B2 (ja) | 2005-06-29 | 2005-06-29 | 針状ころ軸受 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4480636B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009014077A (ja) * | 2007-07-03 | 2009-01-22 | Ntn Corp | 針状ころ軸受、およびクランクシャフト支持構造 |
US8393800B2 (en) | 2007-07-03 | 2013-03-12 | Ntn Corporation | Needle roller bearing and crankshaft support structure |
WO2016110978A1 (ja) * | 2015-01-08 | 2016-07-14 | 株式会社ハーモニック・ドライブ・システムズ | 波動発生器および波動歯車装置 |
-
2005
- 2005-06-29 JP JP2005190521A patent/JP4480636B2/ja active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009014077A (ja) * | 2007-07-03 | 2009-01-22 | Ntn Corp | 針状ころ軸受、およびクランクシャフト支持構造 |
US8393800B2 (en) | 2007-07-03 | 2013-03-12 | Ntn Corporation | Needle roller bearing and crankshaft support structure |
WO2016110978A1 (ja) * | 2015-01-08 | 2016-07-14 | 株式会社ハーモニック・ドライブ・システムズ | 波動発生器および波動歯車装置 |
JPWO2016110978A1 (ja) * | 2015-01-08 | 2017-08-24 | 株式会社ハーモニック・ドライブ・システムズ | 波動発生器および波動歯車装置 |
TWI650496B (zh) * | 2015-01-08 | 2019-02-11 | 日商和諧驅動系統股份有限公司 | 波動發生器及諧波齒輪裝置 |
US10718420B2 (en) | 2015-01-08 | 2020-07-21 | Harmonic Drive Systems Inc. | Wave generator and strain wave gearing |
Also Published As
Publication number | Publication date |
---|---|
JP4480636B2 (ja) | 2010-06-16 |
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