CN113062925A - Oval retainer for deep groove ball bearing and production method thereof - Google Patents
Oval retainer for deep groove ball bearing and production method thereof Download PDFInfo
- Publication number
- CN113062925A CN113062925A CN202110227328.7A CN202110227328A CN113062925A CN 113062925 A CN113062925 A CN 113062925A CN 202110227328 A CN202110227328 A CN 202110227328A CN 113062925 A CN113062925 A CN 113062925A
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- Prior art keywords
- retainer
- punching
- shaping
- ball
- deep groove
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- 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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- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000007493 shaping process Methods 0.000 claims description 45
- 238000004080 punching Methods 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 17
- 238000005520 cutting process Methods 0.000 claims description 12
- 238000007654 immersion Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 41
- 239000010959 steel Substances 0.000 abstract description 41
- 239000004519 grease Substances 0.000 abstract description 9
- 230000001050 lubricating effect Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005461 lubrication Methods 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process 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
- F16C33/3862—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages comprising two annular parts joined together
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- F16C33/3887—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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6607—Retaining the grease in or near the bearing
- F16C33/6614—Retaining the grease in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
-
- 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
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6629—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to the technical field of bearing retainers, and solves the problems that in the prior art, a retainer causes small steel ball displacement of a deep groove ball bearing, and lubricating grease is not easy to enter between the retainer and the steel ball. The utility model provides an oval retainer for deep groove ball bearing, includes the annular retainer subassembly of two relative settings, and two retainer subassemblies pass through rivet connection, and the retainer subassembly includes a plurality of end to end's flat board portion and ball pocket portion, flat board portion and ball pocket portion interval distribution, and the cross-section of ball pocket portion is oval. The major axis length is greater than the diameter of steel ball, has the clearance between steel ball and the ball pocket, and oval ball pocket portion lies in ball pocket effect both sides to add fertile promptly for the steel ball is increased about the float volume in the ball pocket, and has increased the space that lubricating grease got into, can play critical effect to the lubrication of bearing and steel ball, has reduced the noise that produces between steel ball and the keeper effectively.
Description
Technical Field
The invention relates to the technical field of bearing retainers, in particular to an elliptical retainer for a deep groove ball bearing and a production method thereof.
Background
Bearing cages (also called bearing retainers) refer to bearing parts that partially encase and move with all or part of the rolling elements to isolate them and generally guide them and retain them within the bearing. The cross section of the ball pocket of the retainer for the existing deep groove ball bearing is in a perfect circle shape, on one hand, the play amount of the steel ball is limited by the retainer, and on the other hand, the gap between the retainer and the steel ball is small, so that lubricating grease is not favorably fed in.
Disclosure of Invention
The invention provides an elliptical retainer for a deep groove ball bearing and a production method thereof, which solve the problems that in the prior art, the retainer causes small steel ball movement amount of the deep groove ball bearing and lubricating grease is not easy to enter between the retainer and the steel ball.
The utility model provides an oval retainer for deep groove ball bearing, includes the annular retainer subassembly of two relative settings, and two retainer subassemblies pass through rivet connection, and the retainer subassembly includes a plurality of end to end's flat board portion and ball pocket portion, flat board portion and ball pocket portion interval distribution, and the cross-section of ball pocket portion is oval. When the deep groove ball bearing is used, the steel ball of the deep groove ball bearing is positioned in the oval ball pocket formed by the two retainer components, the diameter of the steel ball is the same as the minor axis of the ball pocket part, the minor axis of the oval ball pocket is equal to the diameter of the steel ball, and therefore, the length of the major axis is larger than the diameter of the steel ball, and a gap exists between the steel ball and the ball pocket, namely, the oval ball pocket part is improved relative to the traditional round ball pocket by adding fertilizers on two sides of the ball pocket, so that the left and right play amount of the steel ball in the ball pocket is increased, the space for the lubricating grease to enter is enlarged, a key effect on the lubrication of the bearing and the steel ball can be realized, and the noise generated between the.
Further, the ball pocket portion of the retainer unit is disposed opposite to the ball pocket portion of the other retainer unit, and the flat plate portion of the retainer unit is disposed opposite to the flat plate portion of the other retainer unit. So that the ball pockets of both retainer assemblies can make up a complete ellipse.
Further, the cross section of the ball pocket part is a semi-ellipse divided along the long axis. The space on the left and right sides surrounded by the ball pocket part is increased, thereby increasing the play amount of the steel ball along the tangential direction.
Furthermore, both ends of the ball pocket part are respectively connected with the flat plate part.
Further, the pocket portion is integrally formed with the flat plate portion.
Further, the length of the long axis of the ball pocket portion is 1.1 times the length of the short axis. The effect of increasing the tangential play amount of the steel ball and increasing the lubricating oil entering space can be achieved, and the limitation of the retainer on the steel ball can be guaranteed.
Further, the retainer assembly includes 8 ball pocket portions and 8 flat plate portions.
The production method of the elliptical retainer for the deep groove ball bearing comprises the following steps,
firstly, cutting a ring;
step two, shaping and punching;
thirdly, nailing and punching;
step four, oil immersion;
and step five, washing.
Further, in the first step, the ring cutting is to use a stamping and cutting device to stamp and cut the plate material to obtain an annular sheet material, and after obtaining the annular sheet material, the stamping device is used to stamp the annular sheet material to make it flat. The annular sheet obtained by stamping and cutting can deform in the axial direction and become uneven, and after stamping, the annular sheet becomes flat and can reach a shaping and stamping die through a feeding mechanism.
Further, in the second step, the shaping and punching are to use shaping and punching equipment to shape and punch the annular sheet to obtain the bearing retainer assembly,
the press ring shaping and punching equipment comprises a rack, wherein a hydraulic system is arranged on the rack, a punching seat is arranged at the lower end of a piston rod of a vertical hydraulic cylinder of the hydraulic system, a first shaping upper die, a second shaping upper die and a punching upper die are arranged at the bottom of the punching seat, a first shaping lower die, a second shaping lower die and a punching lower die are arranged on the rack, and a press ring-free feeding mechanism is arranged on the rack;
the first shaping lower die comprises a lower die seat, lower pressing blocks are uniformly distributed on the upper circumference of the lower die seat, and the lower end surface of each lower pressing block is a semi-elliptical surface;
the first shaping upper die comprises an upper die seat, upper pressing blocks are uniformly distributed on the upper die seat in the circumferential direction, and the upper pressing blocks are distributed at intervals when the first shaping upper die is positioned at the lowest point; the first shaping lower die is matched with the first shaping upper die to preliminarily shape the annular sheet material so that the annular sheet material is provided with a semi-elliptical ball pocket part. Spherical bumps are uniformly distributed on the circumference of the annular die seat of the second shaping lower die, and when the annular sheet is stamped by the second shaping upper die, the ball pocket part of the annular sheet is right opposite to the spherical bumps, and grooves are formed in the ball pocket part.
The lower end surface of the upper pressing block is a semi-elliptical surface;
the section of the semielliptical surface is a semielliptical shape divided along the major axis, and the length of the major axis of the semielliptical shape is 1.01 to 2 times, preferably about 1.1 times, of the length of the minor axis; not only increases the steel ball moving space and the lubricating grease entering space, but also avoids the flat plate part from being too small.
And in the third step, the through nails are punched on the bearing retainer assembly by using a turntable through nail machine, and the rivets are tightly connected on the retainer assembly after punching.
According to the technical scheme, the invention has the following advantages:
when the deep groove ball bearing is used, the steel ball of the deep groove ball bearing is positioned in the oval ball pocket formed by the two retainer components, and because the minor axis of the oval ball pocket is equal to the diameter of the steel ball, the length of the major axis is greater than the diameter of the steel ball, and a gap exists between the steel ball and the ball pocket, the play amount of the steel ball in the ball pocket is increased, the space for the lubricating grease to enter is enlarged, and the noise generated between the steel ball and the retainer is effectively reduced.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a front view of the present invention.
FIG. 2 is a schematic view of a partial structure of the present invention.
FIG. 3 is a schematic structural view of a first lower shaping mold according to the present invention.
FIG. 4 is a schematic view of a second plastic lower mold according to the present invention.
1. Steel ball, 2, flat plate portion, 3, ball pocket portion, 4, lower pressing block, 5, lower die base, 6, spherical lug, 7 and rivet.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
Example 1
As shown in fig. 1-4, an oval retainer for deep groove ball bearing comprises two annular retainer components which are arranged oppositely, the two retainer components are connected through a rivet 7, the retainer components comprise a plurality of end-to-end flat plate parts 2 and ball pocket parts 3, the flat plate parts 2 and the ball pocket parts 3 are distributed at intervals, and the cross section of the ball pocket part 3 is oval. When the deep groove ball bearing is used, the steel ball 1 of the deep groove ball bearing is positioned in an oval ball pocket formed by two retainer components, the diameter of the steel ball 1 is the same as the minor axis of the ball pocket part 3, the minor axis of the oval ball pocket is equal to the diameter of the steel ball 1, so that the length of the major axis is larger than the diameter of the steel ball 1, and a gap exists between the steel ball 1 and the ball pocket, namely the oval ball pocket part 3 is improved relative to a traditional round ball pocket by adding fertilizer on two sides of the ball pocket, so that the left and right play amount of the steel ball 1 in the ball pocket is increased, the space for the lubricating grease to enter is enlarged, a critical effect on the lubrication of the bearing and the steel ball 1 can be achieved, and the noise generated between the steel ball 1 and. The ball pocket portion 3 of the holder unit is disposed facing the ball pocket portion 3 of the other holder unit, and the flat plate portion 2 of the holder unit is disposed facing the flat plate portion 2 of the other holder unit. So that the ball pockets 3 of the two holder assemblies can make up a complete ellipse. The cross section of the ball pocket portion 3 is a semi-elliptical shape divided along the major axis. The space on the left and right sides enclosed by the ball pocket part 3 is enlarged, thereby increasing the play amount of the steel ball 1 along the tangential direction. Both ends of the ball pocket portion 3 are connected to the flat plate portion 2, respectively. The pocket portion 3 is integrally formed with the flat plate portion 2. The length of the major axis of the ball pocket 3 is 1.1 times the length of the minor axis. The effect of increasing the tangential play amount of the steel ball 1 and increasing the lubricating oil entering space can be achieved, and the limitation of the retainer on the steel ball 1 can be ensured. The retainer assembly includes 8 bulbous portions 3 and 8 flat plate portions 2.
The production method of the elliptical retainer for the deep groove ball bearing comprises the following steps,
firstly, cutting a ring;
step two, shaping and punching;
thirdly, nailing and punching;
step four, oil immersion;
and step five, washing.
In the first step, the ring cutting is to use a stamping and cutting device to stamp and cut the plate material to obtain an annular sheet material, and then use the stamping device to stamp the annular sheet material to make the annular sheet material flat. The annular sheet obtained by stamping and cutting can deform in the axial direction and become uneven, and after stamping, the annular sheet becomes flat and can reach a shaping and stamping die through a feeding mechanism.
In the second step, the shaping and punching are to use shaping and punching equipment to shape and punch the annular sheet to obtain the bearing retainer assembly,
the press ring shaping and punching equipment comprises a rack, wherein a hydraulic system is arranged on the rack, a punching seat is arranged at the lower end of a piston rod of a vertical hydraulic cylinder of the hydraulic system, a first shaping upper die, a second shaping upper die and a punching upper die are arranged at the bottom of the punching seat, a first shaping lower die, a second shaping lower die and a punching lower die are arranged on the rack, and a press ring-free feeding mechanism is arranged on the rack;
the first shaping lower die comprises a lower die seat 5, lower pressing blocks 4 are uniformly distributed on the upper circumference of the lower die seat 5, and the lower end surfaces of the lower pressing blocks 4 are semi-elliptical surfaces;
the first shaping upper die comprises an upper die seat, upper pressing blocks are uniformly distributed on the upper die seat in the circumferential direction, and the upper pressing blocks are distributed at intervals when the first shaping upper die is positioned at the lowest point; the first shaping lower die is matched with the first shaping upper die to preliminarily shape the annular sheet material to enable the annular sheet material to be provided with a semi-elliptical ball pocket part 3. Spherical bumps 6 are evenly distributed on the annular die seat of the second shaping lower die in the circumferential direction, and when the second shaping upper die punches the annular sheet, the ball pocket portion 3 of the annular sheet is right opposite to the spherical bumps 6, and grooves are formed in the ball pocket portion 3.
The lower end surface of the upper pressing block is a semi-elliptical surface;
the section of the semielliptical surface is a semielliptical shape divided along the major axis, and the length of the major axis of the semielliptical shape is 1.01 to 2 times, preferably about 1.1 times, of the length of the minor axis; not only increases the moving space of the steel ball 1 and the entering space of the lubricating grease, but also avoids the over-small of the flat plate part 2.
And in the third step, the rivet is punched for the bearing retainer assembly by using a turntable rivet punching machine, and the rivet 7 is tightly connected on the retainer assembly after punching.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The oval retainer for the deep groove ball bearing is characterized by comprising two annular retainer components which are oppositely arranged, wherein the two retainer components are connected through a rivet (7), each retainer component comprises a plurality of end-to-end flat plate parts (2) and ball pocket parts (3), the flat plate parts (2) and the ball pocket parts (3) are distributed at intervals, and the cross sections of the ball pocket parts (3) are oval.
2. The elliptical cage for deep groove ball bearings of claim 1, characterized in that the pocket portion (3) of the cage assembly is disposed opposite to the pocket portion (3) of the other cage assembly, and the flat plate portion (2) of the cage assembly is disposed opposite to the flat plate portion (2) of the other cage assembly.
3. The elliptical cage for deep groove ball bearings of claim 2, characterized in that the cross section of the ball pocket (3) is a semi-ellipse divided along the major axis.
4. The elliptical cage for deep groove ball bearings of claim 3, characterized in that both ends of the pocket portion (3) are connected to the flat plate portion (2), respectively.
5. The elliptical cage for deep groove ball bearings of claim 4, characterized in that the pocket portion (3) is integrally formed with the flat plate portion (2).
6. Elliptical cage for deep groove ball bearings according to claim 5, characterized in that the length of the long axis of the ball pocket (3) is 1.1 times the length of the short axis.
7. The elliptical cage for deep groove ball bearings of claim 6, characterized in that the cage assembly comprises 8 pocket portions (3) and 8 flat plate portions (2).
8. The production method of the elliptical retainer for the deep groove ball bearing is characterized by comprising the following steps of,
firstly, cutting a ring;
step two, shaping and punching;
thirdly, nailing and punching;
step four, oil immersion;
and step five, washing.
9. The method for producing an elliptical cage for deep groove ball bearings as claimed in claim 8, characterized in that in the first step, the ring cutting is performed by punching and cutting the plate material by using a punching and cutting device to obtain a ring-shaped sheet material, and after the ring-shaped sheet material is obtained, the ring-shaped sheet material is punched by using a punching device to be flat.
10. The method for producing the elliptical retainer for the deep groove ball bearing according to claim 9, wherein in the second step, the shaping and punching are performed by shaping and punching the annular sheet material by using a shaping and punching device to obtain the bearing retainer assembly, the pressing ring shaping and punching device comprises a frame, a hydraulic system is arranged on the frame, a punching seat is arranged at the lower end of a piston rod of a vertical hydraulic cylinder of the hydraulic system, a first shaping upper die, a second shaping upper die and a punching upper die are arranged at the bottom of the punching seat, a first shaping lower die, a second shaping lower die and a punching lower die are arranged on the frame, and a press-ring-free feeding mechanism is arranged on the frame;
the first shaping lower die comprises a lower die seat (5), lower pressing blocks (4) are uniformly distributed on the upper circumference of the lower die seat (5), and the lower end surface of each lower pressing block (4) is a semi-elliptical surface;
the first shaping upper die comprises an upper die seat, upper pressing blocks are uniformly distributed on the upper die seat in the circumferential direction, and the upper pressing blocks are distributed at intervals when the first shaping upper die is positioned at the lowest point;
the lower end surface of the upper pressing block is a semi-elliptical surface;
the section of the semielliptical surface is a semielliptical shape divided along the major axis, and the length of the major axis of the semielliptical shape is 1.01 to 2 times of the length of the minor axis;
and in the third step, the through nails are punched on the bearing retainer assembly by using a turntable through nail machine, and the rivets are tightly connected on the retainer assembly after punching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110227328.7A CN113062925A (en) | 2021-03-02 | 2021-03-02 | Oval retainer for deep groove ball bearing and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110227328.7A CN113062925A (en) | 2021-03-02 | 2021-03-02 | Oval retainer for deep groove ball bearing and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113062925A true CN113062925A (en) | 2021-07-02 |
Family
ID=76559233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110227328.7A Pending CN113062925A (en) | 2021-03-02 | 2021-03-02 | Oval retainer for deep groove ball bearing and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113062925A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230220883A1 (en) * | 2022-01-11 | 2023-07-13 | Accessible Technologies, Inc. | Offset compound bearing assembly |
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| CN2775378Y (en) * | 2005-01-14 | 2006-04-26 | 王长乐 | Double K value double circular and ball pocket wave shape bearing holder |
| CN2890473Y (en) * | 2006-04-14 | 2007-04-18 | 姜玉玺 | Super silent special-shaped pocket deep-groove ball-bearing holding rack |
| JP2007198583A (en) * | 2005-12-27 | 2007-08-09 | Nsk Ltd | Synthetic resin ball bearing retainer, and ball bearing |
| JP2008267452A (en) * | 2007-04-18 | 2008-11-06 | Ntn Corp | Bearing for use in special environment |
| CN101566195A (en) * | 2009-05-31 | 2009-10-28 | 郑广辉 | Cage processing method, cage and centripetal ball bearing |
| CN104646735A (en) * | 2014-12-02 | 2015-05-27 | 施剑秋 | Solid retainer oval pocket processing method |
| CN204784203U (en) * | 2015-07-07 | 2015-11-18 | 杭州人本电机轴承有限公司 | Deep groove ball bearing ribbon cage monomer |
| CN109420881A (en) * | 2017-08-30 | 2019-03-05 | 南京龙贞自控科技发展有限公司 | A kind of process for stamping of ribbon retainer |
| WO2020059829A1 (en) * | 2018-09-21 | 2020-03-26 | Ntn株式会社 | Ball bearing retainer and rolling bearing |
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2021
- 2021-03-02 CN CN202110227328.7A patent/CN113062925A/en active Pending
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| CN2775378Y (en) * | 2005-01-14 | 2006-04-26 | 王长乐 | Double K value double circular and ball pocket wave shape bearing holder |
| JP2007198583A (en) * | 2005-12-27 | 2007-08-09 | Nsk Ltd | Synthetic resin ball bearing retainer, and ball bearing |
| CN2890473Y (en) * | 2006-04-14 | 2007-04-18 | 姜玉玺 | Super silent special-shaped pocket deep-groove ball-bearing holding rack |
| JP2008267452A (en) * | 2007-04-18 | 2008-11-06 | Ntn Corp | Bearing for use in special environment |
| CN101566195A (en) * | 2009-05-31 | 2009-10-28 | 郑广辉 | Cage processing method, cage and centripetal ball bearing |
| CN104646735A (en) * | 2014-12-02 | 2015-05-27 | 施剑秋 | Solid retainer oval pocket processing method |
| CN204784203U (en) * | 2015-07-07 | 2015-11-18 | 杭州人本电机轴承有限公司 | Deep groove ball bearing ribbon cage monomer |
| CN109420881A (en) * | 2017-08-30 | 2019-03-05 | 南京龙贞自控科技发展有限公司 | A kind of process for stamping of ribbon retainer |
| WO2020059829A1 (en) * | 2018-09-21 | 2020-03-26 | Ntn株式会社 | Ball bearing retainer and rolling bearing |
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| Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230220883A1 (en) * | 2022-01-11 | 2023-07-13 | Accessible Technologies, Inc. | Offset compound bearing assembly |
| US11725693B2 (en) * | 2022-01-11 | 2023-08-15 | Accessible Technologies, Inc. | Offset compound bearing assembly |
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Application publication date: 20210702 |