JP2005069282A - 円筒ころ軸受 - Google Patents
円筒ころ軸受 Download PDFInfo
- Publication number
- JP2005069282A JP2005069282A JP2003296668A JP2003296668A JP2005069282A JP 2005069282 A JP2005069282 A JP 2005069282A JP 2003296668 A JP2003296668 A JP 2003296668A JP 2003296668 A JP2003296668 A JP 2003296668A JP 2005069282 A JP2005069282 A JP 2005069282A
- Authority
- JP
- Japan
- Prior art keywords
- cage
- cylindrical roller
- roller
- cylindrical
- holder
- 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
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
- F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
- F16C33/4623—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
- F16C33/4635—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages made from plastic, e.g. injection moulded window cages
-
- 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
- F16C33/467—Details of individual pockets, e.g. shape or roller retaining means
- F16C33/4676—Details of individual pockets, e.g. shape or roller retaining means of the stays separating adjacent cage pockets, e.g. guide means for the bearing-surface of the rollers
-
- 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
- F16C19/24—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 radial load mainly
- F16C19/26—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 radial load mainly with a single row of rollers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
【解決手段】外周に軌道12を有する内輪10と、内周に軌道22を有する外輪20と、内輪10の軌道12と外輪20の軌道22との間に転動自在に配された複数の円筒ころ30と、円筒ころ30を円周方向で所定の間隔に保持する保持器40とを備えた円筒ころ軸受において、保持器40が、柱部44が円筒ころ30と接することにより半径方向が位置決めされる転動体案内形式で、かつ、円筒ころ30を保持器外径側から拘束する外径拘束形のかご形保持器であって、ころ抱き角度θが60°以上72°以下の範囲内に設定してある。
【選択図】図1
Description
試験軸受:NU311E
軸受内径d:55mm
軸受外径D:120mm
幅B:29mm
ころ直径Dw:18mm
ころ長さLw:19mm
ころ本数:13
保持器材料:PA66+ガラス繊維
12 軌道
14 つば
16 つば輪
20 外輪
22 軌道
30 円筒ころ
32 転動面
Dw ころ直径
Lw ころ長さ
40 保持器
42 環状体
T 径方向肉厚
W 軸方向肉厚
44 柱
44a 基部
44b 舌片
U 最小肉厚寸法
44c 壁面
44d 壁面
44e 底面
44f 隅部
46 ポケット
M 外径側開口部幅
Claims (3)
- 外周に軌道を有する内輪と、内周に軌道を有する外輪と、内輪の軌道と外輪の軌道との間に転動自在に配された複数の円筒ころと、円筒ころを円周方向で所定の間隔に保持する保持器とを備えた円筒ころ軸受において、
前記保持器が、保持器柱部が円筒ころと接することにより半径方向が位置決めされる転動体案内形式で、かつ、円筒ころを保持器外径側から拘束する外径拘束形のかご形保持器であって、保持器柱部が円筒ころと接する点ところ中心とを結ぶ線分が、ころ中心と保持器中心とを結ぶ径方向に伸びる線に対してなす角度が60°以上72°以下の範囲内であることを特徴とする円筒ころ軸受。 - 前記保持器が、軸方向に離間した互いに平行な一対の環状体と、前記一対の環状体を連結する複数の柱とで構成され、隣接する柱間に形成された各ポケットの円周方向に向かい合った壁面が円弧形状の断面を有し、前記壁面の曲率半径が円筒ころの半径よりも大きいことを特徴とする請求項1の円筒ころ軸受。
- 保持器の柱の外径側に凹所が形成され、前記凹所の隅部から前記壁面までの最小肉厚寸法をUとしたとき、ころ直径Dwに対する最小肉厚寸法Uの比U/Dwが0.08≦U/Dw≦0.12の範囲内に設定されていることを特徴とする請求項2の円筒ころ軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003296668A JP2005069282A (ja) | 2003-08-20 | 2003-08-20 | 円筒ころ軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003296668A JP2005069282A (ja) | 2003-08-20 | 2003-08-20 | 円筒ころ軸受 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005069282A true JP2005069282A (ja) | 2005-03-17 |
Family
ID=34402774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003296668A Pending JP2005069282A (ja) | 2003-08-20 | 2003-08-20 | 円筒ころ軸受 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2005069282A (ja) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009228752A (ja) * | 2008-03-21 | 2009-10-08 | Ntn Corp | 円筒ころ軸受用保持器 |
JP2009250409A (ja) * | 2008-04-10 | 2009-10-29 | Ntn Corp | 円筒ころ軸受用保持器 |
JP2010196832A (ja) * | 2009-02-26 | 2010-09-09 | Nsk Ltd | ころ軸受用樹脂製保持器 |
JP2010242860A (ja) * | 2009-04-06 | 2010-10-28 | Jtekt Corp | 転がり軸受用保持器、並びにこれを備えた内輪組立体、外輪組立体、および転がり軸受 |
CN103671552A (zh) * | 2012-09-11 | 2014-03-26 | 株式会社捷太格特 | 树脂保持架以及滚子轴承 |
DE102015112387A1 (de) | 2014-08-01 | 2016-02-04 | Jtekt Corporation | Rollenlager |
TWI550200B (zh) * | 2014-12-18 | 2016-09-21 | Nsk Ltd | Bevel ball bearing |
WO2018088571A1 (ja) | 2016-11-14 | 2018-05-17 | 日本精工株式会社 | 円筒ころ軸受 |
US20210381553A1 (en) * | 2019-09-30 | 2021-12-09 | Aktiebolaget Skf | Bearing cage segment configured for use with an installation tool |
WO2022065214A1 (ja) * | 2020-09-28 | 2022-03-31 | Ntn株式会社 | ころ軸受及びころ軸受用保持器 |
-
2003
- 2003-08-20 JP JP2003296668A patent/JP2005069282A/ja active Pending
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009228752A (ja) * | 2008-03-21 | 2009-10-08 | Ntn Corp | 円筒ころ軸受用保持器 |
JP2009250409A (ja) * | 2008-04-10 | 2009-10-29 | Ntn Corp | 円筒ころ軸受用保持器 |
JP2010196832A (ja) * | 2009-02-26 | 2010-09-09 | Nsk Ltd | ころ軸受用樹脂製保持器 |
JP2010242860A (ja) * | 2009-04-06 | 2010-10-28 | Jtekt Corp | 転がり軸受用保持器、並びにこれを備えた内輪組立体、外輪組立体、および転がり軸受 |
CN103671552A (zh) * | 2012-09-11 | 2014-03-26 | 株式会社捷太格特 | 树脂保持架以及滚子轴承 |
JP2014055612A (ja) * | 2012-09-11 | 2014-03-27 | Jtekt Corp | 樹脂保持器およびころ軸受 |
EP2706249A3 (en) * | 2012-09-11 | 2014-11-19 | Jtekt Corporation | Resin cage and roller bearing |
US9562566B2 (en) | 2014-08-01 | 2017-02-07 | Jtekt Corporation | Roller bearing |
DE102015112387A1 (de) | 2014-08-01 | 2016-02-04 | Jtekt Corporation | Rollenlager |
TWI550200B (zh) * | 2014-12-18 | 2016-09-21 | Nsk Ltd | Bevel ball bearing |
WO2018088571A1 (ja) | 2016-11-14 | 2018-05-17 | 日本精工株式会社 | 円筒ころ軸受 |
KR20190057147A (ko) | 2016-11-14 | 2019-05-27 | 닛본 세이고 가부시끼가이샤 | 원통 롤러 베어링 |
US10605303B2 (en) | 2016-11-14 | 2020-03-31 | Nsk Ltd. | Cylindrical roller bearing |
US20210381553A1 (en) * | 2019-09-30 | 2021-12-09 | Aktiebolaget Skf | Bearing cage segment configured for use with an installation tool |
US11725697B2 (en) * | 2019-09-30 | 2023-08-15 | Aktiebolaget Skf | Bearing cage segment configured for use with an installation tool |
WO2022065214A1 (ja) * | 2020-09-28 | 2022-03-31 | Ntn株式会社 | ころ軸受及びころ軸受用保持器 |
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