WO2003038295A1 - Rolling bearings - Google Patents
Rolling bearings Download PDFInfo
- Publication number
- WO2003038295A1 WO2003038295A1 PCT/JP2002/010664 JP0210664W WO03038295A1 WO 2003038295 A1 WO2003038295 A1 WO 2003038295A1 JP 0210664 W JP0210664 W JP 0210664W WO 03038295 A1 WO03038295 A1 WO 03038295A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- assured
- depth
- specimen
- rollers
- shorter
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/043—Analysing solids in the interior, e.g. by shear waves
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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
- 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
- F16C33/64—Special methods of manufacture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2456—Focusing probes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
-
- 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
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
-
- 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
- F16C19/34—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 both radial and axial load
- F16C19/38—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 both radial and axial load with two or more rows of 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
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
- F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
- F16C23/086—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface forming a track for rolling elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/263—Surfaces
- G01N2291/2636—Surfaces cylindrical from inside
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/265—Spherical objects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/269—Various geometry objects
- G01N2291/2696—Wheels, Gears, Bearings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02802362A EP1457694A4 (en) | 2001-10-31 | 2002-10-15 | ROLLER BEARINGS |
US10/492,549 US20040252924A1 (en) | 2001-10-31 | 2002-10-15 | Rolling bearings |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-335473 | 2001-10-31 | ||
JP2001335473A JP2003139143A (ja) | 2001-10-31 | 2001-10-31 | 転がり軸受 |
JP2002108283A JP2003301850A (ja) | 2002-04-10 | 2002-04-10 | ころ軸受 |
JP2002-108283 | 2002-04-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003038295A1 true WO2003038295A1 (en) | 2003-05-08 |
Family
ID=26624263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/010664 WO2003038295A1 (en) | 2001-10-31 | 2002-10-15 | Rolling bearings |
Country Status (4)
Country | Link |
---|---|
US (1) | US20040252924A1 (ja) |
EP (1) | EP1457694A4 (ja) |
CN (1) | CN1266396C (ja) |
WO (1) | WO2003038295A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7918649B2 (en) | 2003-11-18 | 2011-04-05 | Ntn Corporation | Double-row self-aligning roller bearing and device for supporting wind turbine generator main shaft |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005042879A (ja) * | 2003-07-25 | 2005-02-17 | Ntn Corp | 鋼板製軌道輪付きころ軸受 |
JP2005083513A (ja) * | 2003-09-10 | 2005-03-31 | Ntn Corp | 車輪用軸受装置 |
WO2007023684A1 (ja) * | 2005-08-22 | 2007-03-01 | Ntn Corporation | 空気サイクル冷凍冷却システムおよびそれに用いられるタービンユニット |
JP4812367B2 (ja) * | 2005-08-24 | 2011-11-09 | Ntn株式会社 | 空気サイクル冷凍冷却システムおよびその空気サイクル冷凍冷却用タービンユニット |
WO2007072559A1 (ja) * | 2005-12-21 | 2007-06-28 | Jtekt Corporation | 動力伝達チェーンおよび動力伝達装置 |
US8764304B2 (en) * | 2006-09-08 | 2014-07-01 | Ntn Corporation | Roller bearing, retainer segment of roller bearing for supporting main shaft of wind-power generator, and main shaft support structure of wind-power generator |
US9404531B2 (en) * | 2007-02-23 | 2016-08-02 | Ntn Corporation | Bearing apparatus for wheel |
WO2008124592A1 (en) * | 2007-04-04 | 2008-10-16 | Roller Bearing Company Of America, Inc. | End cap for a bearing assembly |
WO2012036076A1 (ja) * | 2010-09-13 | 2012-03-22 | Ntn株式会社 | グリース組成物および転がり軸受 |
CN102195423B (zh) * | 2011-05-20 | 2012-11-21 | 国电联合动力技术有限公司 | 一种固定轴支撑的双定子永磁直驱风力发电机 |
CN102830159A (zh) * | 2011-06-16 | 2012-12-19 | 江苏力星通用钢球股份有限公司 | 2mw风力发电钢球涡流探伤仪用探针 |
CN103697061B (zh) * | 2013-12-09 | 2015-10-07 | 浙江大学 | 整合微结构的滚动轴承 |
CN105823825A (zh) * | 2016-03-29 | 2016-08-03 | 中北大学 | 一种皮带超声检测装置 |
CN109823363B (zh) * | 2017-11-23 | 2023-09-15 | 北京主导时代科技有限公司 | 一种自转运列车轮对探伤装置 |
JP7240815B2 (ja) | 2018-03-22 | 2023-03-16 | Ntn株式会社 | 転動部品の製造方法および軸受の製造方法 |
JP7092101B2 (ja) * | 2019-10-09 | 2022-06-28 | 日本精工株式会社 | 鋼材の清浄度評価方法 |
CN113533502B (zh) * | 2020-04-15 | 2024-05-07 | 上海申通地铁集团有限公司 | 一种轨道交通组合结构桥梁中栓钉疲劳损伤的长期监测方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03271343A (ja) * | 1990-03-22 | 1991-12-03 | Nippon Seiko Kk | 転動部材 |
JPH04203621A (ja) * | 1990-11-30 | 1992-07-24 | Nippon Seiko Kk | 転がり軸受 |
JPH0842576A (ja) * | 1994-07-29 | 1996-02-13 | Nippon Seiko Kk | 転がり軸受 |
JP2000110841A (ja) * | 1998-10-05 | 2000-04-18 | Nsk Ltd | 転がり軸受 |
JP2000130447A (ja) * | 1998-10-28 | 2000-05-12 | Nsk Ltd | 転がり軸受 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5259886A (en) * | 1990-03-22 | 1993-11-09 | Nippon Seiko Kabushiki Kaisha | Rolling member |
-
2002
- 2002-10-15 US US10/492,549 patent/US20040252924A1/en not_active Abandoned
- 2002-10-15 EP EP02802362A patent/EP1457694A4/en not_active Withdrawn
- 2002-10-15 WO PCT/JP2002/010664 patent/WO2003038295A1/ja active Application Filing
- 2002-10-15 CN CNB028214994A patent/CN1266396C/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03271343A (ja) * | 1990-03-22 | 1991-12-03 | Nippon Seiko Kk | 転動部材 |
JPH04203621A (ja) * | 1990-11-30 | 1992-07-24 | Nippon Seiko Kk | 転がり軸受 |
JPH0842576A (ja) * | 1994-07-29 | 1996-02-13 | Nippon Seiko Kk | 転がり軸受 |
JP2000110841A (ja) * | 1998-10-05 | 2000-04-18 | Nsk Ltd | 転がり軸受 |
JP2000130447A (ja) * | 1998-10-28 | 2000-05-12 | Nsk Ltd | 転がり軸受 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7918649B2 (en) | 2003-11-18 | 2011-04-05 | Ntn Corporation | Double-row self-aligning roller bearing and device for supporting wind turbine generator main shaft |
Also Published As
Publication number | Publication date |
---|---|
CN1266396C (zh) | 2006-07-26 |
CN1578880A (zh) | 2005-02-09 |
US20040252924A1 (en) | 2004-12-16 |
EP1457694A1 (en) | 2004-09-15 |
EP1457694A4 (en) | 2006-08-30 |
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