CN103206459A - Outer ring of high-speed precision combination bearing - Google Patents
Outer ring of high-speed precision combination bearing Download PDFInfo
- Publication number
- CN103206459A CN103206459A CN201310162421XA CN201310162421A CN103206459A CN 103206459 A CN103206459 A CN 103206459A CN 201310162421X A CN201310162421X A CN 201310162421XA CN 201310162421 A CN201310162421 A CN 201310162421A CN 103206459 A CN103206459 A CN 103206459A
- Authority
- CN
- China
- Prior art keywords
- outer ring
- section
- cylndrical surface
- ring body
- cylinder surface
- 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
Images
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to an outer ring of a high-speed precision combination bearing. The outer ring is characterized in that a middle section cylinder surface is arranged on the inner circle middle section of an outer ring body, a left section cylinder surface is arranged on the inner circle left section of the outer ring body, a right section cylinder surface is arranged on the inner circle right section of the outer ring body, the diameter of the left section cylinder surface is more than the diameter of the middle section cylinder surface, the diameter of the right section cylinder surface is more than the diameter of the middle section cylinder surface, the right end part of the left section cylinder surface is connected with the left end part of the middle section cylinder surface through a left raceway, and the right end part of the middle section cylinder surface is connected with the left end part of the right section cylinder surface through a right raceway; a first seal groove is arranged on the inner circle of the outer ring body on the left side of the left section cylinder surface, and a second seal groove is arranged on the inner circle of the outer ring body on the right side of the right section cylinder surface; and in the axial section of the outer ring body, the left raceway and the right raceway are a section of circular arc respectively. The outer ring provided by the invention has the advantages of simple structure, convenience in manufacturing and the like.
Description
Technical field
The present invention relates to a kind of bearing part, especially a kind of outer ring of high speed and precision combination bearing.
Background technique
At present, high-speed bearing generally all is that the mode that makes up is used when using, and the mode of its combination is generally two bearings and is used in combination by back-to-back mode (DB) or aspectant mode (DF) or a suitable mode (DT).Back-to-back combination (DB) can be born the axial load of radial load and both direction, because point of action distance is bigger, in that to have the moment load to make time spent rigidity very high.Present back-to-back mode makes up (DB) and is most widely used in the precision optical machinery industry.Owing to being the product of high-speed, high precision, very high to the bearings requirement of two cover combinations, the bearing outside diameter size that requires two covers to make up, the play of interior hole dimension can not surpass 1/3 of tolerance.Because the product tolerance of P4 level only 4um will be compressed tolerance be exactly basically to 5um that to require two lassos are identical sizes again.Technology is difficult to guarantee that owing to the difference of assembly technology, two cover bearings assemble also and can produce the assembling defective while user simultaneously in installation process.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of outer ring of simple in structure, easily manufactured high speed and precision combination bearing is provided.
According to technological scheme provided by the invention, the outer ring of described high speed and precision combination bearing, comprise outer ring body, interior round stage casing at outer ring body is provided with the cylndrical surface, stage casing, section is provided with section cylndrical surface, a left side on the interior circle left side of outer ring body, the right section of interior circle at outer ring body is provided with right section cylndrical surface, the diameter of section cylndrical surface, a left side is greater than the diameter of cylndrical surface, stage casing, the diameter of right section cylndrical surface is greater than the diameter of cylndrical surface, stage casing, the right part of section cylndrical surface, a left side links to each other by rolling left with the left part of cylndrical surface, stage casing, the right part of cylndrical surface, stage casing links to each other by right raceway with the left part of right section cylndrical surface, interior circle at the outer ring body in left side, left side section cylndrical surface is provided with first seal groove, is provided with second seal groove at the interior circle of the outer ring body on right section right side, cylndrical surface; In the axial cross section of outer ring body, described rolling left is one section circular arc with right raceway.
The equal diameters of section cylndrical surface, a described left side and right section cylndrical surface.
Circle radius is greater than circle radius in the outer ring body of section position, cylndrical surface, a left side in the outer ring body of the first seal groove notch position.
Circle radius is greater than circle radius in the outer ring body of right section position, cylndrical surface in the outer ring body of the second seal groove notch position.
Circumferentially offering the left side oil storage tank near in the rolling left of left side section position, cylndrical surface along it.
In the right raceway near right section position, cylndrical surface, circumferentially offer the right side oil storage tank along it.
The present invention has advantages such as simple in structure, easily manufactured.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation of the embodiment of the invention 2.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
Embodiment 1
The outer ring of this high speed and precision combination bearing, comprise outer ring body 1, interior round stage casing at outer ring body 1 is provided with cylndrical surface, stage casing 1.1, section is provided with section cylndrical surface 1.2, a left side on the interior circle left side of outer ring body 1, the right section of interior circle at outer ring body 1 is provided with right section cylndrical surface 1.3, the diameter of section cylndrical surface 1.2, a left side is greater than the diameter of cylndrical surface, stage casing 1.1, the diameter of right section cylndrical surface 1.3 is greater than the diameter of cylndrical surface, stage casing 1.1, the right part of left side section cylndrical surface 1.2 and the left part of cylndrical surface, stage casing 1.1 1.4 link to each other by rolling left, the right part of cylndrical surface, stage casing 1.1 links to each other by right raceway 1.5 with the left part of right section cylndrical surface 1.3, interior circle at the outer ring body 1 in left side section 1.2 left sides, cylndrical surface is provided with first seal groove 1.7, is provided with second seal groove 1.8 at the interior circle of the outer ring body 1 on right section 1.3 right sides, cylndrical surface; In the axial cross section of outer ring body 1, described roll left 1.4 with right raceway 1.5 be one section circular arc.
Embodiment 2
The outer ring of this high speed and precision combination bearing, comprise outer ring body 1, interior round stage casing at outer ring body 1 is provided with cylndrical surface, stage casing 1.1, section is provided with section cylndrical surface 1.2, a left side on the interior circle left side of outer ring body 1, the right section of interior circle at outer ring body 1 is provided with right section cylndrical surface 1.3, the diameter of section cylndrical surface 1.2, a left side is greater than the diameter of cylndrical surface, stage casing 1.1, the diameter of right section cylndrical surface 1.3 is greater than the diameter of cylndrical surface, stage casing 1.1, the right part of left side section cylndrical surface 1.2 and the left part of cylndrical surface, stage casing 1.1 1.4 link to each other by rolling left, the right part of cylndrical surface, stage casing 1.1 links to each other by right raceway 1.5 with the left part of right section cylndrical surface 1.3, interior circle at the outer ring body 1 in left side section 1.2 left sides, cylndrical surface is provided with first seal groove 1.7, is provided with second seal groove 1.8 at the interior circle of the outer ring body 1 on right section 1.3 right sides, cylndrical surface; In the axial cross section of outer ring body 1, described roll left 1.4 with right raceway 1.5 be one section circular arc.
Oil storage tank 1.9 on the left of circumferentially offering along it near rolling left in 1.4 of left side section 1.2 positions, cylndrical surface.In the right raceway 1.5 near right section 1.3 positions, cylndrical surface, circumferentially offer right side oil storage tank 1.10 along it.
And embodiment 1 and embodiment 2 satisfy: the equal diameters of section cylndrical surface, a described left side 1.2 and right section cylndrical surface 1.3.Circle radius is greater than circle radius in the outer ring body 1 of section 1.2 positions, cylndrical surface, a left side in the outer ring body 1 of first seal groove, 1.7 notch positions.Circle radius is greater than circle radius in the outer ring body 1 of right section 1.3 positions, cylndrical surface in the outer ring body 1 of second seal groove, 1.8 notch positions.
During use, cooperate two bearing inner races, two retainers, two groups of balls and two dust seal covers, can be combined to form a high speed and precision combination bearing, wherein, left side oil storage tank 1.9 is used for storing lubricant grease with right side oil storage tank 1.10, offer rolling element, can improve the lubrication effect of bearing like this, improve the working life of bearing.
Claims (6)
1. the outer ring of a high speed and precision combination bearing, comprise outer ring body (1), it is characterized in that: be provided with cylndrical surface, stage casing (1.1) in the interior round stage casing of outer ring body (1), section is provided with section cylndrical surface (1.2), a left side on the interior circle left side of outer ring body (1), the right section of interior circle at outer ring body (1) is provided with right section cylndrical surface (1.3), the diameter of section cylndrical surface, a left side (1.2) is greater than the diameter of cylndrical surface, stage casing (1.1), the diameter of right section cylndrical surface (1.3) is greater than the diameter of cylndrical surface, stage casing (1.1), the right part of section cylndrical surface, a left side (1.2) links to each other by roll left (1.4) with the left part of cylndrical surface, stage casing (1.1), the right part of cylndrical surface, stage casing (1.1) links to each other by right raceway (1.5) with the left part of right section cylndrical surface (1.3), interior circle at the outer ring body (1) in left side, left side section cylndrical surface (1.2) is provided with first seal groove (1.7), is provided with second seal groove (1.8) at the interior circle of the outer ring body (1) on right section right side, cylndrical surface (1.3); In the axial cross section of outer ring body (1), described rolling left (1.4) is one section circular arc with right raceway (1.5).
2. the outer ring of high speed and precision combination bearing as claimed in claim 1 is characterized in that: the equal diameters of described section cylndrical surface, a left side (1.2) and right section cylndrical surface (1.3).
3. the outer ring of high speed and precision combination bearing as claimed in claim 1 is characterized in that: circle radius is greater than circle radius in the outer ring body (1) of section position, cylndrical surface (1.2), a left side in the outer ring body (1) of first seal groove (1.7) notch position.
4. the outer ring of high speed and precision combination bearing as claimed in claim 1 is characterized in that: circle radius is greater than circle radius in the outer ring body (1) of right section position, cylndrical surface (1.3) in the outer ring body (1) of second seal groove (1.8) notch position.
5. the outer ring of high speed and precision combination bearing as claimed in claim 1 is characterized in that: circumferentially offer left side oil storage tank (1.9) along it near roll left (1.4) of section position, cylndrical surface (1.2), a left side.
6. the outer ring of high speed and precision combination bearing as claimed in claim 1 is characterized in that: circumferentially offer right side oil storage tank (1.10) along it in the right raceway (1.5) near right section position, cylndrical surface (1.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310162421XA CN103206459A (en) | 2013-05-06 | 2013-05-06 | Outer ring of high-speed precision combination bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310162421XA CN103206459A (en) | 2013-05-06 | 2013-05-06 | Outer ring of high-speed precision combination bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103206459A true CN103206459A (en) | 2013-07-17 |
Family
ID=48753801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310162421XA Pending CN103206459A (en) | 2013-05-06 | 2013-05-06 | Outer ring of high-speed precision combination bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103206459A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047960A (en) * | 2014-06-21 | 2014-09-17 | 德清恒丰机械有限公司 | Bearing outer ring forging for automobiles |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003049848A (en) * | 2001-08-06 | 2003-02-21 | Nsk Ltd | Ball bearing for supporting pulley |
| DE102005018616A1 (en) * | 2005-04-21 | 2006-10-26 | Schaeffler Kg | Angular contact ball bearing has annular grooves in inner and outer rings which act as lubricant storage system and are at least partly covered by ball bearings |
| CN200985949Y (en) * | 2006-12-16 | 2007-12-05 | 洛阳轴研科技股份有限公司 | Sealed type separation type bidirectional impulse force angular contacting ball bearing |
| US7503699B2 (en) * | 2004-01-29 | 2009-03-17 | Ntn Corporation | Wheel axle bearing unit |
| CN201487046U (en) * | 2009-07-27 | 2010-05-26 | 杭州华星轴承有限公司 | Flange type ball screw precise sealing combined support bearing |
| CN101749326A (en) * | 2008-12-04 | 2010-06-23 | 株式会社捷太格特 | Rolling bearing device |
| CN102449332A (en) * | 2009-06-19 | 2012-05-09 | 谢夫勒科技有限两合公司 | Axial angular-contact rolling bearing, in particular for rotary table mounting on machine tools, and method for assembling an axial angular-contact rolling bearing of said type |
| CN203308934U (en) * | 2013-05-06 | 2013-11-27 | 无锡市第二轴承有限公司 | Outer ring of high-speed precision combination bearing |
-
2013
- 2013-05-06 CN CN201310162421XA patent/CN103206459A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003049848A (en) * | 2001-08-06 | 2003-02-21 | Nsk Ltd | Ball bearing for supporting pulley |
| US7503699B2 (en) * | 2004-01-29 | 2009-03-17 | Ntn Corporation | Wheel axle bearing unit |
| DE102005018616A1 (en) * | 2005-04-21 | 2006-10-26 | Schaeffler Kg | Angular contact ball bearing has annular grooves in inner and outer rings which act as lubricant storage system and are at least partly covered by ball bearings |
| CN200985949Y (en) * | 2006-12-16 | 2007-12-05 | 洛阳轴研科技股份有限公司 | Sealed type separation type bidirectional impulse force angular contacting ball bearing |
| CN101749326A (en) * | 2008-12-04 | 2010-06-23 | 株式会社捷太格特 | Rolling bearing device |
| CN102449332A (en) * | 2009-06-19 | 2012-05-09 | 谢夫勒科技有限两合公司 | Axial angular-contact rolling bearing, in particular for rotary table mounting on machine tools, and method for assembling an axial angular-contact rolling bearing of said type |
| CN201487046U (en) * | 2009-07-27 | 2010-05-26 | 杭州华星轴承有限公司 | Flange type ball screw precise sealing combined support bearing |
| CN203308934U (en) * | 2013-05-06 | 2013-11-27 | 无锡市第二轴承有限公司 | Outer ring of high-speed precision combination bearing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047960A (en) * | 2014-06-21 | 2014-09-17 | 德清恒丰机械有限公司 | Bearing outer ring forging for automobiles |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204628265U (en) | A kind of sealed type roller bearing | |
| KR101878548B1 (en) | Bearing having a retainer | |
| CN204646988U (en) | A kind of combination bearing | |
| CN203697854U (en) | Hub outer ring forge piece of automobile part | |
| CN103206459A (en) | Outer ring of high-speed precision combination bearing | |
| CN203308934U (en) | Outer ring of high-speed precision combination bearing | |
| WO2013128662A1 (en) | Angular contact ball bearing | |
| CN203202015U (en) | Double-row cylindrical roller bearing for numerically-controlled machine tool main shaft | |
| CN101793289A (en) | Oil-air lubrication high-speed mixing double-row ball bearing | |
| CN202628833U (en) | Miniature bearing | |
| CN101769329A (en) | Double-row cylindrical roller bearing with oil hole | |
| CN203308899U (en) | High-speed precision combination bearing | |
| CN203670487U (en) | Outer ring forging piece for automotive parts | |
| CN103192405B (en) | Exoskeleton robot joint structure with bearing without ring | |
| CN203308933U (en) | Grease storage outer ring structure of high-speed precision bearing | |
| CN202690764U (en) | Deep groove ball bearing with oil storage grooves | |
| CN202484075U (en) | Rolling bearing without holding device | |
| CN202165419U (en) | Deep-groove ball bearing provided with semi-holding racks with rivets | |
| CN103216524B (en) | High speed and precision combination bearing | |
| KR20140112487A (en) | Rolling bearing with reduced friction torque | |
| CN201347981Y (en) | Double-row cylindrical roller bearing with oil holes | |
| CN203308927U (en) | Retaining frame of high-speed precision bearing | |
| CN219953959U (en) | Combined angular contact bearing | |
| CN101769303A (en) | Rolling mill double-row angular contact ball bearing | |
| CN103032454A (en) | Rolling bearing without retainer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130717 |