JP7308019B2 - 車輪用軸受装置 - Google Patents
車輪用軸受装置 Download PDFInfo
- Publication number
- JP7308019B2 JP7308019B2 JP2018169499A JP2018169499A JP7308019B2 JP 7308019 B2 JP7308019 B2 JP 7308019B2 JP 2018169499 A JP2018169499 A JP 2018169499A JP 2018169499 A JP2018169499 A JP 2018169499A JP 7308019 B2 JP7308019 B2 JP 7308019B2
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- JP
- Japan
- Prior art keywords
- ball
- claw portion
- center
- axial direction
- balls
- 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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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
- F16C33/41—Ball cages comb-shaped
- F16C33/418—Details of individual pockets, e.g. shape or ball retaining means
-
- 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
- F16C19/18—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 two or more rows of balls
- F16C19/181—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 two or more rows of balls with angular contact
- F16C19/183—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 two or more rows of balls with angular contact with two rows at opposite angles
- F16C19/184—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 two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
- F16C19/186—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 two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement with three raceways provided integrally on parts other than race rings, e.g. third generation hubs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0094—Hubs one or more of the bearing races are formed by the hub
-
- 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
- F16C33/41—Ball cages comb-shaped
- F16C33/412—Massive or moulded comb cages, e.g. snap ball cages
- F16C33/414—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages
- F16C33/416—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages made from plastic, e.g. injection moulded comb 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
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/06—Placing rolling bodies in cages or bearings
- F16C43/065—Placing rolling bodies in cages or bearings in 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
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/06—Placing rolling bodies in cages or bearings
- F16C43/08—Placing rolling bodies in cages or bearings by deforming the cages or the races
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2380/00—Bearings
- B60B2380/30—Cage
-
- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
-
- 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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
- F16C33/7879—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a further sealing ring
- F16C33/7883—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a further sealing ring mounted to the inner race and of generally L-shape, the two sealing rings defining a sealing with box-shaped cross-section
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
- Sealing Of Bearings (AREA)
Description
2 外輪
3 ハブ輪
4 内輪
7 保持器
7a 基部
7b 柱部
7e 長爪部
7g 短爪部
7i 切り欠き部
8 ボール
Claims (4)
- 内周に複列の外側軌道面が設けられた外方部材と、
外周に軸方向に延びる小径段部が形成されたハブ輪、および前記小径段部に圧入された少なくとも一つの内輪を有し、外周に前記複列の外側軌道面と対向する複列の内側軌道面が設けられた内方部材と、
前記外方部材と前記内方部材との両軌道面間に転動自在に収容された複列のボールと、
環状に形成される基部と前記基部から周方向に一定の間隔で軸方向に延びる複数の柱部とを有し、隣り合う前記柱部と前記基部とによって、前記ボールの外周面に沿う曲面を有するポケットが形成され、前記ポケットに前記ボールを保持する樹脂製の保持器と、を具備する車輪用軸受装置であって、
前記柱部には、隣り合う柱部に向かって突出する一方の爪部と他方の爪部と、前記柱部のうち前記爪部よりも径方向内側で先端から基部に向かって切り欠かれた切り欠き部とが形成され、
前記柱部において、
前記切り欠き部に対して径方向内側に位置する内側柱の軸方向端面は、前記切り欠き部に対して径方向外側に位置する外側柱の軸方向端面に比べて、前記ボールの中心側にオフセットしており、
前記一方の爪部、及び前記他方の爪部は、前記外側柱の先端部に各々形成されており、
軸方向視で、前記一方の爪部のうち前記ボールの中心までの最短長さと前記他方の爪部のうち前記ボールの中心までの最短長さとが異なる車輪用軸受装置。 - 軸方向視で、前記一方の爪部のうち前記ボールの中心までの長さが最短である部分と前記他方の爪部のうち前記ボールの中心までの長さが最短である部分とが、前記ボールの中心を中心とする前記ボールの直径の0.7倍以上1.0倍未満の直径である仮想円と前記ボールの外周円とに囲まれる円環状の範囲に含まれる請求項1に記載の車輪用軸受装置。
- 軸方向視で、前記一方の爪部のうち前記ボールの中心までの最短長さと前記他方の爪部のうち前記ボールの中心までの最短長さとの合計が前記ボールの直径の0.7倍よりも大きく0.85倍以下である請求項1または請求項2に記載の車輪用軸受装置。
- 内周に複列の外側軌道面が設けられた外方部材と、
外周に軸方向に延びる小径段部が形成されたハブ輪、および前記小径段部に圧入された少なくとも一つの内輪を有し、外周に前記複列の外側軌道面と対向する複列の内側軌道面が設けられた内方部材と、
前記外方部材と前記内方部材との両軌道面間に転動自在に収容された複列のボールと、
環状に形成される基部と前記基部から周方向に一定の間隔でその軸方向に延びる複数の柱部とを有し、隣り合う前記柱部と前記基部とによって前記ボールの外周面に沿う曲面を有するポケットがそれぞれ形成され、前記ポケットに前記ボールを保持する樹脂製の保持器と、を具備する車輪用軸受装置であって、
前記保持器の前記柱部には、一方の隣り合う柱部に向かって突出する爪部と他方の隣り合う柱部に向かって切り欠かれた切欠き面と先端から基部に向かう切り欠き部とが形成され、
前記柱部において、
前記切り欠き部に対して径方向内側に位置する内側柱の軸方向端面は、前記切り欠き部に対して径方向外側に位置する外側柱の軸方向端面に比べて、前記ボールの中心側にオフセットしており、
前記爪部及び前記切欠き面は、前記外側柱の先端部に各々形成されており、
前記爪部の先端部が、軸方向視で、前記ボールの中心を中心とする所定半径の基準仮想円と前記ボールの外周円とに囲まれる円環状の範囲に含まれる車輪用軸受装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018169499A JP7308019B2 (ja) | 2018-09-11 | 2018-09-11 | 車輪用軸受装置 |
US17/273,405 US11421735B2 (en) | 2018-09-11 | 2019-09-11 | Bearing device for vehicle wheel |
PCT/JP2019/035670 WO2020054758A1 (ja) | 2018-09-11 | 2019-09-11 | 車輪用軸受装置 |
DE112019004538.5T DE112019004538T5 (de) | 2018-09-11 | 2019-09-11 | Fahrzeugradlagervorrichtung |
CN201980055102.4A CN112585365B (zh) | 2018-09-11 | 2019-09-11 | 车轮用轴承装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018169499A JP7308019B2 (ja) | 2018-09-11 | 2018-09-11 | 車輪用軸受装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020041605A JP2020041605A (ja) | 2020-03-19 |
JP7308019B2 true JP7308019B2 (ja) | 2023-07-13 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018169499A Active JP7308019B2 (ja) | 2018-09-11 | 2018-09-11 | 車輪用軸受装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11421735B2 (ja) |
JP (1) | JP7308019B2 (ja) |
CN (1) | CN112585365B (ja) |
DE (1) | DE112019004538T5 (ja) |
WO (1) | WO2020054758A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7261599B2 (ja) * | 2018-03-28 | 2023-04-20 | Ntn株式会社 | 車輪用軸受装置 |
JP7308019B2 (ja) * | 2018-09-11 | 2023-07-13 | Ntn株式会社 | 車輪用軸受装置 |
JP2023144210A (ja) * | 2022-03-28 | 2023-10-11 | Ntn株式会社 | 玉軸受 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005180630A (ja) | 2003-12-22 | 2005-07-07 | Ntn Corp | 車輪用軸受装置およびアンギュラ玉軸受 |
JP2009243609A (ja) | 2008-03-31 | 2009-10-22 | Jtekt Corp | 車輪用転がり軸受装置 |
JP2017194141A (ja) | 2016-04-22 | 2017-10-26 | 株式会社ジェイテクト | 玉軸受 |
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JP7308019B2 (ja) * | 2018-09-11 | 2023-07-13 | Ntn株式会社 | 車輪用軸受装置 |
US11078959B1 (en) * | 2020-06-10 | 2021-08-03 | Schaeffler Technologies AG & Co. KG | High speed bearing with single piece wide plastic cage |
-
2018
- 2018-09-11 JP JP2018169499A patent/JP7308019B2/ja active Active
-
2019
- 2019-09-11 DE DE112019004538.5T patent/DE112019004538T5/de active Pending
- 2019-09-11 CN CN201980055102.4A patent/CN112585365B/zh active Active
- 2019-09-11 US US17/273,405 patent/US11421735B2/en active Active
- 2019-09-11 WO PCT/JP2019/035670 patent/WO2020054758A1/ja active Application Filing
Patent Citations (3)
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JP2005180630A (ja) | 2003-12-22 | 2005-07-07 | Ntn Corp | 車輪用軸受装置およびアンギュラ玉軸受 |
JP2009243609A (ja) | 2008-03-31 | 2009-10-22 | Jtekt Corp | 車輪用転がり軸受装置 |
JP2017194141A (ja) | 2016-04-22 | 2017-10-26 | 株式会社ジェイテクト | 玉軸受 |
Also Published As
Publication number | Publication date |
---|---|
CN112585365B (zh) | 2023-03-21 |
US20210331519A1 (en) | 2021-10-28 |
JP2020041605A (ja) | 2020-03-19 |
DE112019004538T5 (de) | 2021-05-27 |
WO2020054758A1 (ja) | 2020-03-19 |
CN112585365A (zh) | 2021-03-30 |
US11421735B2 (en) | 2022-08-23 |
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