JP5145742B2 - 玉軸受 - Google Patents
玉軸受 Download PDFInfo
- Publication number
- JP5145742B2 JP5145742B2 JP2007079505A JP2007079505A JP5145742B2 JP 5145742 B2 JP5145742 B2 JP 5145742B2 JP 2007079505 A JP2007079505 A JP 2007079505A JP 2007079505 A JP2007079505 A JP 2007079505A JP 5145742 B2 JP5145742 B2 JP 5145742B2
- Authority
- JP
- Japan
- Prior art keywords
- ball
- cage
- ball bearing
- outer peripheral
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims description 44
- 239000004519 grease Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 230000004323 axial length Effects 0.000 description 13
- 238000012360 testing method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 229920002312 polyamide-imide Polymers 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
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
- F16C33/38—Ball cages
- F16C33/3837—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages
- F16C33/3843—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
- F16C33/3856—Massive or moulded cages having cage pockets surrounding the balls, 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
- F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
-
- 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
- F16C33/38—Ball cages
- F16C33/3806—Details of interaction of cage and race, e.g. retention, centring
-
- 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
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Description
軌道溝を有する外輪と、
軌道溝を有する内輪と、
上記外輪の上記軌道溝と上記内輪の上記軌道溝との間に配置された玉と、
上記外輪の軸方向において上記玉の少なくとも一方の側に、上記外輪の周面に案内される環状の案内部を有すると共に、上記玉を保持する樹脂製の保持器と
を備え、
上記案内部は、
上記保持器の軸方向の外方側の端面から径方向の外方に行くにしたがって上記軸方向の内側に向かうように傾斜する外周円錐面と、
上記外周円錐面に繋がる外周円筒面と
を有し、
上記外周円筒面の上記軸方向の長さは、上記玉の直径の8.2%以下であり、
上記内輪は、20000[r/min]以上の回転速度で回転することがある回転軸に固定され、
上記外輪および上記内輪で囲まれる空間には、グリースが封入されていることを特徴としている。
上記外輪の軸方向において上記玉の両方の側に、上記外輪の内周面に案内される上記環状の案内部を有する。
4a 軌道溝
4b,4c 円筒内周面
5 内輪
5a 軌道溝
6 玉
7,107 保持器
7b,7c 突出部
7d,7e 外周円筒面の軸方向の長さ
14,114 第1環状部
15,115 第2環状部
114a,115a 凸面の先端
120,121 凸面
Claims (2)
- 軌道溝を有する外輪と、
軌道溝を有する内輪と、
上記外輪の上記軌道溝と上記内輪の上記軌道溝との間に配置された玉と、
上記外輪の軸方向において上記玉の少なくとも一方の側に、上記外輪の周面に案内される環状の案内部を有すると共に、上記玉を保持する樹脂製の保持器と
を備え、
上記案内部は、
上記保持器の軸方向の外方側の端面から径方向の外方に行くにしたがって上記軸方向の内側に向かうように傾斜する外周円錐面と、
上記外周円錐面に繋がる外周円筒面と
を有し、
上記外周円筒面の上記軸方向の長さは、上記玉の直径の8.2%以下であり、
上記内輪は、20000[r/min]以上の回転速度で回転することがある回転軸に固定され、
上記外輪および上記内輪で囲まれる空間には、グリースが封入されていることを特徴とする玉軸受。 - 請求項1に記載の玉軸受において、
上記外輪の軸方向において上記玉の両方の側に、上記外輪の内周面に案内される上記環状の案内部を有することを特徴とする玉軸受。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007079505A JP5145742B2 (ja) | 2007-03-26 | 2007-03-26 | 玉軸受 |
EP08005476A EP1975432B1 (en) | 2007-03-26 | 2008-03-25 | Ball bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007079505A JP5145742B2 (ja) | 2007-03-26 | 2007-03-26 | 玉軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008240806A JP2008240806A (ja) | 2008-10-09 |
JP5145742B2 true JP5145742B2 (ja) | 2013-02-20 |
Family
ID=39564594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007079505A Expired - Fee Related JP5145742B2 (ja) | 2007-03-26 | 2007-03-26 | 玉軸受 |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1975432B1 (ja) |
JP (1) | JP5145742B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2071203B1 (en) * | 2007-12-10 | 2015-02-25 | JTEKT Corporation | Rolling bearing and rolling bearing assembly |
JP2014020481A (ja) * | 2012-07-19 | 2014-02-03 | Nsk Ltd | アンギュラ玉軸受 |
DE102014213256B3 (de) | 2014-07-08 | 2015-11-19 | Schaeffler Technologies AG & Co. KG | Kugellager für einen Turbolader |
TWI697632B (zh) | 2018-01-26 | 2020-07-01 | 日商日本精工股份有限公司 | 斜角滾珠軸承 |
EP3792511A1 (en) * | 2019-09-10 | 2021-03-17 | Hamilton Sundstrand Corporation | Generator bearing |
DE102021126238B4 (de) | 2021-10-11 | 2023-10-19 | Schaeffler Technologies AG & Co. KG | Schrägkugellager |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3649093A (en) * | 1970-08-10 | 1972-03-14 | Gen Motors Corp | Antifriction bearing with a dual control separator |
US4324444A (en) * | 1980-08-11 | 1982-04-13 | Trw Inc. | Snap-in bearing retainer and bearing |
DE3210204A1 (de) * | 1982-03-19 | 1983-10-13 | Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt | Verfahren zum einbau von beidseitig mit tragzapfen versehenen tragrollen oder dgl. in je eine axiale oeffnung eines staenders und tragrolle |
GB2156912B (en) | 1984-04-04 | 1987-09-03 | Skf Svenska Kullagerfab Ab | Cage for bearings |
JP3262592B2 (ja) | 1992-07-16 | 2002-03-04 | 旭化成株式会社 | 〔Asu1.7〕カルシトニン類の水溶液注射剤の安定化法 |
JP3480000B2 (ja) * | 1993-06-28 | 2003-12-15 | 日本精工株式会社 | 転がり軸受 |
DE10165027C5 (de) * | 2000-10-27 | 2019-10-02 | Nsk Ltd. | Wälzlager und Spindelvorrichtung für Werkzeugmaschine |
JP2002286040A (ja) * | 2001-03-26 | 2002-10-03 | Nsk Ltd | 転がり軸受 |
JP3814825B2 (ja) * | 2001-07-31 | 2006-08-30 | 日本精工株式会社 | 軸受装置 |
JP2004092682A (ja) * | 2002-08-29 | 2004-03-25 | Nsk Ltd | 転がり軸受用保持器 |
JP2005090657A (ja) * | 2003-09-18 | 2005-04-07 | Nsk Ltd | 転がり軸受用保持器及び該保持器を組み込んだ転がり軸受 |
JP2007303558A (ja) * | 2006-05-11 | 2007-11-22 | Jtekt Corp | 転がり軸受装置 |
JP2008057762A (ja) * | 2006-09-04 | 2008-03-13 | Nsk Ltd | 玉軸受 |
JP2008151181A (ja) * | 2006-12-14 | 2008-07-03 | Ntn Corp | 転がり軸受 |
-
2007
- 2007-03-26 JP JP2007079505A patent/JP5145742B2/ja not_active Expired - Fee Related
-
2008
- 2008-03-25 EP EP08005476A patent/EP1975432B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1975432A1 (en) | 2008-10-01 |
JP2008240806A (ja) | 2008-10-09 |
EP1975432B1 (en) | 2013-02-27 |
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