CN113898668A - Sealed self-aligning roller bearing - Google Patents
Sealed self-aligning roller bearing Download PDFInfo
- Publication number
- CN113898668A CN113898668A CN202111374904.7A CN202111374904A CN113898668A CN 113898668 A CN113898668 A CN 113898668A CN 202111374904 A CN202111374904 A CN 202111374904A CN 113898668 A CN113898668 A CN 113898668A
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- framework
- outer ring
- seal
- lip
- bearing
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- 238000005096 rolling process Methods 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 125000006850 spacer group Chemical group 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 33
- 238000005452 bending Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 231100000719 pollutant Toxicity 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
- 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
-
- 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
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
- F16C33/7823—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
-
- 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
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
- F16C33/7826—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of the opposing surface cooperating with the seal, e.g. a shoulder surface of a bearing ring
-
- 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
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a sealed self-aligning roller bearing. The sealed self-aligning roller bearing is provided with an inner ring, an outer ring, a first row of rolling bodies, a middle spacer ring, a second row of rolling bodies and a retainer, wherein the first row of rolling bodies, the middle spacer ring, the second row of rolling bodies and the retainer are positioned in the inner ring and the outer ring; = the two side end faces of the outer ring are provided with notches; a first framework seal and a second framework seal are arranged between the inner ring and the outer ring; the upper ends of the first framework seal and the second framework seal are attached to the bottom surface of the corresponding notch on the outer ring and fixedly connected with the outer ring, and the lower ends of the first framework seal and the second framework seal are attached to the inner ring through double-lip rubber in a sealing manner; the first skeleton seal has a skeleton pressed from a steel plate; the framework is provided with a vertical section I; the upper end of the vertical section I is bent inwards to form a bent section, and then extends upwards to form a vertical section II; the vertical section II is attached to the corresponding notch on the outer ring. The invention has small influence on the bearing capacity and large aligning angle; the seal and the outer ring are integrated, and the seal is not dislocated or falls off due to frequent dislocation of the inner ring and the outer ring of the bearing.
Description
Technical Field
The invention relates to a bearing, in particular to a sealed self-aligning roller bearing.
Background
The self-aligning roller bearing has a self-aligning function of not aligning a transmission shaft, and is widely applied to industrial gear boxes. However, in the working process of the bearing, particularly under severe working conditions, external pollutants of the bearing can invade into the bearing to pollute lubricating grease, and the service life of the bearing is shortened. Therefore, the sealed self-aligning roller bearing becomes the development direction in the industry.
However, when the self-aligning roller bearing is self-aligning, the inner ring and the outer ring are staggered, which brings difficulty to increase of the sealing structure. The patent of application No. 200580034457.3 discloses a corrugated seal, which retains a large aligning angle of the original bearing, but the seal is not practical enough to affect the rotation of the bearing; the patent of application number 201210301568.8 discloses a double-layer seal, when the bearing aligning, has better sealed effect, but this kind of seal has occupied more bearing inner space, easily other spare part contacts, has sacrificed the certain aligning angle of bearing. Application No. 201410119526.1 discloses a tapered barrel seal that increases the width of the bearing for a given application only. The patent applications 201611129578.2 and 201280068646.2 disclose a seal built into the groove of the outer ring, which is the more structure currently on the market. However, this construction still has difficulties in machining and the seal is at risk of coming off.
Disclosure of Invention
The invention discloses a sealed self-aligning roller bearing for solving the problems.
The purpose of the invention can be realized by adopting the following technical scheme:
a sealed self-aligning roller bearing comprises an inner ring, an outer ring, a first row of rolling bodies, a middle spacer ring, a second row of rolling bodies and a retainer, wherein the first row of rolling bodies, the middle spacer ring, the second row of rolling bodies and the retainer are positioned in the inner ring and the outer ring; the two side end surfaces of the outer ring are provided with notches, and the notches are positioned at one end of the two side end surfaces of the outer ring close to the inner ring; a first framework seal and a second framework seal are arranged between the inner ring and the outer ring, the first framework seal and the second framework seal are respectively positioned at the left side and the right side of the bearing, and gaps are reserved among the first row of rolling bodies, the second row of rolling bodies and the retainer so as to ensure the aligning performance of the aligning roller bearing as large as possible; the upper ends of the first framework seal and the second framework seal are attached to the bottom surfaces of the notches corresponding to the outer ring and fixedly connected with the outer ring, and the lower ends of the first framework seal and the second framework seal are attached to the inner ring in a sealing manner through double-lip rubber; the first framework seal is provided with a framework formed by pressing a steel plate; the framework is provided with a vertical section I; the upper end of the vertical section I is bent inwards to form a bent section, and then extends upwards to form a vertical section II; the vertical section II is attached to the corresponding notch on the outer ring; the first framework seal is also provided with a pressing sleeve arranged in the notch groove; the outer wall surface of the pressing sleeve is flush with the outer wall surface of the outer ring, and the end surface of the pressing sleeve serves as a part of the end surface of the bearing outer ring and is stressed together with the end surface of the bearing outer ring; the structure of the second framework seal is the same as the structure of the first framework seal; the lower end of the vertical section of the framework is bent inwards and then matched with the double-lip rubber; the double-lip rubber is provided with a first lip close to the roller side; the first lip vertically presses the arc raceway of the inner ring, and the second lip close to the outer side of the bearing obliquely presses the inclined plane of the end face of the inner ring.
The outer lane the scarce groove on the circumference distribute three more than screw hole for the sealed upper end of fixed first skeleton, second skeleton.
The first and second pressing sleeves are used for pressing the first and second frameworks on two sides of the bearing to be sealed respectively, the pressing sleeves are provided with more than three countersunk holes which are uniformly distributed on the circumference, and the countersunk holes are fan-shaped slotted holes for convenient installation.
The first framework and the second framework are sealed and are formed by pressing steel plates, the thickness of each plate is 0-5 mm, the upper end of each plate is vertical, and an included angle between the vertical section I and the bending section is formeda1 and the included angle between the vertical section II and the bending sectiona2 are the same and are all 145 degrees +/-5 degrees; bending angle at lower end of vertical section Ia3=100 ° ± 5 °; the diameter size L1 of the corner of vertical section I and the section of bending is greater than the diameter size L2 of bearing inner race raceway chamfer, for the inside more usable spaces that create of bearing, the roller is difficult for touching the skeleton, makes the bearing can realize 1.5 and 2 within ranges aligning even.
The included angle between the first lip and the second lipa5=90 ° ± 5 °; vertical first lip pass cornera6= a7=140 ° ± 5 ° is adhered with the steel framework, and the oblique second lip passes through the cornera7=60 ° ± 5 ° is bonded with the steel framework; the first lip has a pressure drop L3 of more than 0.2, and the second lip has a pressure drop L4 of more than 0.2.
The maximum aligning angle equation of the bearing calculated according to the invention is as follows:
compared with other sealing self-aligning roller bearings, the sealing self-aligning roller bearing provided by the invention has the advantages that the bearing capacity influence is small, and the self-aligning angle is large; the bearing sealing structure can be used for bearing the end face of the outer ring; the seal and the outer ring are integrated, and the seal is not dislocated or falls off due to frequent dislocation of the inner ring and the outer ring of the bearing. In addition, the manufacturing is simpler, and the engineering application prospect is better; the maximum aligning angle obtained by engineering application is larger than 1 degree and 30 degrees, and is higher than the industrial level.
Drawings
Fig. 1 is a schematic structural view of a sealed self-aligning roller bearing of the present invention.
Fig. 2 is a schematic view of the seal attachment of the present invention.
Fig. 3-1 and 3-2 are schematic views of the press sleeve fan-shaped lengthened counter bore of the invention.
Figure 4 is a schematic view of a stamped steel sheet seal armature of the present invention.
Fig. 5 and 6 are schematic views of the skeletal sealing lip of the present invention.
Fig. 7 is a schematic diagram of the calculation of the center-aligning angle of the present invention.
In the figure: 1. the inner ring, 2, the outer ring, 3, a first row of rolling bodies, 4, a middle partition ring, 5, a second row of rolling bodies, 6, a retainer, 7, a first pressing sleeve, 8, a first framework seal, 9, a second pressing sleeve, 10, a second framework seal, 11, a countersunk screw, 12, an outer ring end face, 13, an outer end face of the pressing sleeve, 14, a first lip, 15, a second lip, 16, an inner ring arc raceway surface, 17 and an inner ring end face inclined plane.
Detailed Description
The invention is described in connection with the drawings and the detailed description.
As shown in fig. 1, the sealed self-aligning roller bearing comprises an inner ring 1, an outer ring 2, a first row of rolling bodies 3, a middle partition ring 4, a second row of rolling bodies 5, a retainer 6, a first pressing sleeve 7, a first framework seal 8, a second pressing sleeve 9, a second framework seal 10 and a plurality of countersunk screws 11. The first framework seal 8 and the second framework seal 9 are respectively positioned at the left side and the right side of the bearing, the upper ends of the first framework seal 8 and the second framework seal 9 are close to the concave surface groove of the end surface of the outer ring 2, and the first framework seal 8, the second framework seal 9 and the bearing outer ring 2 are integrated into a whole by being fixed by countersunk screws 11 which are uniformly distributed on more than three circumferences after being compressed by the first pressure sleeve 7 and the second pressure sleeve 9.
In order to complete the installation of the sealed self-aligning roller bearing, the outer ring 2 is provided with concave plane grooves machined in a turning mode in the end face parts of two sides, and more than three threaded holes are circumferentially distributed in the plane grooves. The machined planar grooves are easier to machine than the conventional recessed grooves. The first pressing sleeve 7, the first framework seal 8, the second pressing sleeve 9 and the second framework seal 10 on the other side are provided with holes which are uniformly distributed on the circumference in the same number and are used for being connected into a whole by a countersunk head screw.
Since the bearing is used as a general part, the same type of bearing may be used in different occasions, and the end surface 12 of the bearing outer ring 2 is a supporting surface in some occasions and may bear axial force in the bearing use, therefore, in order to satisfy all possibilities in the bearing use, as shown in fig. 2, the end surface 12 of the outer ring 2 is flush with the outer end surface 13 of the first pressing sleeve 7, so that the end surface 13 of the pressing sleeve 7 may serve as a part of the end surface 12 of the bearing outer ring 2, and the pressing sleeve 7 may bear force in the bearing use. Therefore, the width of the concave plane groove of the outer ring 2 needs to be equal to the width of the pressing sleeve 7 plus the thickness of the framework seal 8, and the holes on the first pressing sleeve 7 and the second pressing sleeve 9 should be countersunk holes. The design makes up for partial loss of the rear end face of the outer ring 2 end face lathed groove.
As shown in fig. 2, in order to make the inner space of the bearing large enough, a diameter dimension L1 at the first corner of the first frame seal 8 is larger than a diameter dimension L2 at the chamfer of the raceway of the outer ring of the bearing. The inner space of the bearing is large, enough staggered space of the inner ring and the outer ring of the bearing is reserved, the first row of rolling elements 3, the second row of rolling elements 5 and the retainer 6 in the bearing are not easy to touch the first framework seal 8 and the second framework seal 10 at two ends, the aligning performance of the aligning roller bearing as large as possible is ensured, and the aligning performance of the aligning roller bearing can reach the range of 1.5 degrees or even 2 degrees according to different bearing sizes.
As shown in fig. 3-1 and 3-2, in order to align the holes in the circumferential direction of each component and to facilitate the installation of the countersunk screws 11, the countersunk holes of the first pressing sleeve 7 and the second pressing sleeve 9 are fan-shaped elongated holes.
As shown in figure 4, the upper section of the first framework seal 8 is a pressed steel plate, the thickness of the plate is 0-5 mm, the upper end of the first framework seal is vertical, and then two corners and angles are presseda1= a2=145 ° ± 5 °, lower end pressed with a corner, anglea3=100 ° ± 5 °. The shape is simple, the manufacturing of the stamping grinding tool is simple, and the manufacturing is easy.
As shown in fig. 5 and 6, the middle-lower part of the first skeleton seal 8 is made of double-lip rubber, the first lip 14 is in a vertical shape, the second lip 15 is in an inclined shape, and an included angle between the first lip 14 and the second lip 15 is formeda5=90 ° ± 5 °, vertical first lip 14 passes through a cornera6= a7=140 ° ± 5 ° is adhered to the pressed steel plate, and the oblique second lip 15 passes through the cornera4=60 ° ± 5 ° is bonded to the pressed steel sheet. The tail part of the first lip 14 is vertically pressed to the inner ring arc track surface 16, and the pressing amount L3 is more than 0.2; the second lip 15 is pressed obliquely to the inclined surface 17 of the end surface of the inner ring, and the pressing amount L4 is more than 0.2.
As shown in fig. 5, the inner ring end face inclined surface 17 is perpendicular to the inner ring end faceAngle of directiona8=60 ° ± 5 °, it is verified that the angle can center the bearing, when the inner ring 1 and the outer ring 2 are dislocated, at least one of the first lip 14 and the second lip 15 of the seal is pressed on the inner ring, so as to ensure the sealing effect of the bearing.
The second pressure sleeve 9 and the second skeleton seal 10 on the other side of the bearing have the same features as the first pressure sleeve 7 and the first skeleton seal 8 described above.
The bearing centering angle is calculated as follows:
as shown in fig. 7, when the bearing is aligned, point B of the retainer 6 comes into rotational contact with point a of the seal, and an angle δ formed at this time is the maximum alignment angle of the bearing.
Establishing a calculation geometric figure; the point O is the center of the bearing, AE is inverted T to OE, and OE is the center line of the bearing; then
In the formula, C-the width of the outer ring is mm; l is5-outer ring seal groove width, mm; l is6-seal cap width, mm; l is7Sealing lip width, mm.
In triangular AOE there are:
in the formula (d)1Radius of the sealing lip point a, mm.
In fig. 7, point B is a possible contact point OF the retainer, BF ≠ OF, and OF is a roller centerline; then
Wherein, L-roller length, mm; distance from the bottom of the cage pocket to the bottom of the cage is mm.
In the triangular BOF:
the maximum center-adjusting angle delta is
In the formula, the contact angle of the alpha-self-aligning roller bearing is measured.
Summarizing the equations (1) to (6) as follows:
the calculation data and results are shown in the following table, which is applied to the self-aligning roller bearing with code 22326CC-2 RS. From the results it can be seen that the bearing aligning angle exceeds 1 deg. 30' (typically 1 deg. in the industry).
Angle of alignment calculation table
The prior art is not described in detail.
Claims (6)
1. A sealed self-aligning roller bearing comprises an inner ring, an outer ring, a first row of rolling bodies, a middle spacer ring, a second row of rolling bodies and a retainer, wherein the first row of rolling bodies, the middle spacer ring, the second row of rolling bodies and the retainer are positioned in the inner ring and the outer ring; the method is characterized in that: the two side end surfaces of the outer ring are provided with notches, and the notches are positioned at one end of the two side end surfaces of the outer ring close to the inner ring; a first framework seal and a second framework seal are arranged between the inner ring and the outer ring, the first framework seal and the second framework seal are respectively positioned at the left side and the right side of the bearing, and gaps are reserved among the first row of rolling bodies, the second row of rolling bodies and the retainer so as to ensure the aligning performance of the aligning roller bearing as large as possible; the upper ends of the first framework seal and the second framework seal are attached to the bottom surfaces of the notches corresponding to the outer ring and fixedly connected with the outer ring, and the lower ends of the first framework seal and the second framework seal are attached to the inner ring in a sealing manner through double-lip rubber; the first framework seal is provided with a framework formed by pressing a steel plate; the framework is provided with a vertical section I; the upper end of the vertical section I is bent inwards to form a bent section, and then extends upwards to form a vertical section II; the vertical section II is attached to the corresponding notch on the outer ring; the first framework seal is also provided with a pressing sleeve arranged in the notch groove; the outer wall surface of the pressing sleeve is flush with the outer wall surface of the outer ring, and the end surface of the pressing sleeve serves as a part of the end surface of the bearing outer ring and is stressed together with the end surface of the bearing outer ring; the structure of the second framework seal is the same as the structure of the first framework seal; the lower end of the vertical section II of the framework is bent inwards and then matched with the double-lip rubber; the double-lip rubber is provided with a first lip close to the roller side; the first lip vertically presses the arc raceway of the inner ring, and the second lip close to the outer side of the bearing obliquely presses the inclined plane of the end face of the inner ring.
2. A sealed self-aligning roller bearing according to claim 1, wherein: the outer lane the scarce groove on the circumference distribute three more than screw hole for the sealed upper end of fixed first skeleton, second skeleton.
3. A sealed self-aligning roller bearing according to claim 1, wherein: the first and second pressing sleeves are used for pressing the first and second frameworks on two sides of the bearing to be sealed respectively, the pressing sleeves are provided with more than three countersunk holes which are uniformly distributed on the circumference, and the countersunk holes are fan-shaped slotted holes for convenient installation.
4. A sealed self-aligning roller bearing according to claim 1, wherein: the first framework and the second framework are sealed and are formed by pressing steel plates, the thickness of each plate is 0-5 mm, the upper end of each plate is vertical, and an included angle between the vertical section I and the bending section is formeda1 and the included angle between the vertical section II and the bending sectiona2 are the same and are all 145 degrees +/-5 degrees; bending angle at lower end of vertical section Ia3=100 ° ± 5 °; vertical sectionDiameter size L1 of I and the corner of the section of bending is greater than diameter size L2 of bearing inner race raceway chamfer, for the inside more usable spaces that create of bearing, the roller is difficult for touching the skeleton, makes the bearing can realize 1.5 or even 2 within ranges aligning.
5. A sealed self-aligning roller bearing according to claim 1, wherein: the included angle between the first lip and the second lipa5=90 ° ± 5 °. Vertical first lip pass cornera6= a7=140 ° ± 5 ° is adhered with the steel framework, and the oblique second lip passes through the cornera7=60 ° ± 5 ° is bonded with the steel skeleton. The first lip has a pressure drop L3 of more than 0.2, and the second lip has a pressure drop L4 of more than 0.2.
6. A sealed self-aligning roller bearing according to claim 1, wherein: the calculation equation of the maximum aligning angle of the sealed aligning roller bearing is as follows:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111374904.7A CN113898668B (en) | 2021-11-19 | 2021-11-19 | Sealed aligning roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111374904.7A CN113898668B (en) | 2021-11-19 | 2021-11-19 | Sealed aligning roller bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113898668A true CN113898668A (en) | 2022-01-07 |
| CN113898668B CN113898668B (en) | 2024-04-26 |
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ID=79194789
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111374904.7A Active CN113898668B (en) | 2021-11-19 | 2021-11-19 | Sealed aligning roller bearing |
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| CN (1) | CN113898668B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3926493A1 (en) * | 1989-08-10 | 1991-02-14 | Krupp Polysius Ag | Machine with driven shaft mounted in two bearings - has frame, with inner and outer ring with rollers between and two side bearing covers |
| WO2010099776A1 (en) * | 2009-03-06 | 2010-09-10 | Schaeffler Technologies Gmbh & Co. Kg | Sealing assembly for a rolling bearing and spherical rolling bearing comprising the sealing assembly |
| WO2013007545A1 (en) * | 2011-07-08 | 2013-01-17 | Schaeffler Technologies AG & Co. KG | Spherical roller bearing with seal arrangement, and fin stabilizer comprising said spherical roller bearing |
| CN103328842A (en) * | 2010-11-25 | 2013-09-25 | Skf公司 | Rolling bearing having interchangeable seal |
| JP2014001811A (en) * | 2012-06-19 | 2014-01-09 | Nsk Ltd | Self-aligning roller bearing with sealing device |
| JP2015161405A (en) * | 2014-02-28 | 2015-09-07 | 日本精工株式会社 | Roller bearing with seal |
| JP2017061972A (en) * | 2015-09-24 | 2017-03-30 | Ntn株式会社 | Rolling bearing |
| CN207906286U (en) * | 2017-11-21 | 2018-09-25 | 洛阳Lyc轴承有限公司 | A kind of belt conveyor's pulley self-aligning roller bearing |
| US10408259B1 (en) * | 2018-01-25 | 2019-09-10 | Aktiebolaget Skf | Self-aligning roller bearing |
| CN113153900A (en) * | 2021-04-21 | 2021-07-23 | 嘉兴嘉优易轴承科技有限公司 | Gradual change compensation formula bearing seal structure with aligning function |
-
2021
- 2021-11-19 CN CN202111374904.7A patent/CN113898668B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3926493A1 (en) * | 1989-08-10 | 1991-02-14 | Krupp Polysius Ag | Machine with driven shaft mounted in two bearings - has frame, with inner and outer ring with rollers between and two side bearing covers |
| WO2010099776A1 (en) * | 2009-03-06 | 2010-09-10 | Schaeffler Technologies Gmbh & Co. Kg | Sealing assembly for a rolling bearing and spherical rolling bearing comprising the sealing assembly |
| CN103328842A (en) * | 2010-11-25 | 2013-09-25 | Skf公司 | Rolling bearing having interchangeable seal |
| WO2013007545A1 (en) * | 2011-07-08 | 2013-01-17 | Schaeffler Technologies AG & Co. KG | Spherical roller bearing with seal arrangement, and fin stabilizer comprising said spherical roller bearing |
| JP2014001811A (en) * | 2012-06-19 | 2014-01-09 | Nsk Ltd | Self-aligning roller bearing with sealing device |
| JP2015161405A (en) * | 2014-02-28 | 2015-09-07 | 日本精工株式会社 | Roller bearing with seal |
| JP2017061972A (en) * | 2015-09-24 | 2017-03-30 | Ntn株式会社 | Rolling bearing |
| CN207906286U (en) * | 2017-11-21 | 2018-09-25 | 洛阳Lyc轴承有限公司 | A kind of belt conveyor's pulley self-aligning roller bearing |
| US10408259B1 (en) * | 2018-01-25 | 2019-09-10 | Aktiebolaget Skf | Self-aligning roller bearing |
| CN113153900A (en) * | 2021-04-21 | 2021-07-23 | 嘉兴嘉优易轴承科技有限公司 | Gradual change compensation formula bearing seal structure with aligning function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113898668B (en) | 2024-04-26 |
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