CN112128233A - Sealed separable cylindrical roller bearing - Google Patents

Sealed separable cylindrical roller bearing Download PDF

Info

Publication number
CN112128233A
CN112128233A CN202011002092.9A CN202011002092A CN112128233A CN 112128233 A CN112128233 A CN 112128233A CN 202011002092 A CN202011002092 A CN 202011002092A CN 112128233 A CN112128233 A CN 112128233A
Authority
CN
China
Prior art keywords
ring
wear
sealing
roller bearing
roller
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
Application number
CN202011002092.9A
Other languages
Chinese (zh)
Inventor
梁晓东
卞维江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Dhk Bearing Co ltd
Original Assignee
Ningbo Dhk Bearing Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Dhk Bearing Co ltd filed Critical Ningbo Dhk Bearing Co ltd
Priority to CN202011002092.9A priority Critical patent/CN112128233A/en
Publication of CN112128233A publication Critical patent/CN112128233A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/24Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
    • F16C19/26Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with a single row of rollers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72Sealings
    • F16C33/76Sealings of ball or roller bearings
    • F16C33/78Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7803Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2300/00Application independent of particular apparatuses
    • F16C2300/02General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention discloses a sealed separable cylindrical roller bearing which comprises an outer ring, an inner ring and a roller ring, wherein a first wear-resisting ring is arranged on the outer side of the outer ring, a first sealing ring is fixedly arranged on the side face and the back side of the first wear-resisting ring, a second sealing ring is fixedly arranged on the side face and the back side of the inner ring, and a plurality of first positioning blocks are fixedly arranged on the inner side of the first wear-resisting ring. According to the roller bearing, the first wear-resisting rings are used for performing anti-abrasion treatment on the joint of the outer ring and the component, the second wear-resisting rings are used for performing anti-abrasion treatment on the joint of the inner ring and the shaft rod, the two first sealing rings are used for performing sealing treatment on the joint of the roller ring and the outer ring, the two second sealing rings are used for performing sealing treatment on the joint of the roller ring and the inner ring, the inner ring is pushed forwards, and the inner ring can be disassembled after the second positioning block is separated from the roller ring.

Description

Sealed separable cylindrical roller bearing
Technical Field
The invention relates to the technical field of mechanical parts, in particular to a sealed separable cylindrical roller bearing.
Background
Roller bearings are mechanical parts, belong to one of rolling bearings, are one of the components widely used in modern machinery, rely on rolling contact between the main elements to support rotating parts, and are mostly standardized. The roller bearing has the advantages of small moment required by starting, high rotation precision, convenience in selection and the like;
chinese patent No. CN 108884865B discloses a multi-row cylindrical roller bearing in which, in a multi-row cylindrical roller bearing (1), one cylindrical roller bearing employs a cross roller bearing portion (10), the other cylindrical roller bearing employs a parallel cylindrical roller bearing portion (20), and the relative positional relationship between a 1 st cylindrical roller (11) on the cross roller bearing portion (1) side and a 2 nd cylindrical roller (21) on the parallel cylindrical roller bearing portion (20) side in the direction of the bearing central axis line (1a) is not restricted, so that a high-rigidity bearing with easy processing and assembly can be realized at low cost, and in addition, increase in friction torque of a bearing sliding portion and variation in bearing performance can be suppressed;
the above technology has the following disadvantages: the outer ring and the inner ring of the roller bearing are fixedly assembled, when the inner ring is damaged, the whole roller bearing is directly scrapped, the whole use cost of the roller bearing is further improved, the sealing performance of the roller bearing is poor, the inner roller is easily corroded, and the service life is short.
Therefore, it is necessary to provide a sealed separable cylindrical roller bearing to solve the above problems.
Disclosure of Invention
Therefore, the present invention provides a sealed separable cylindrical roller bearing to solve the problems in the background art.
In order to achieve the above purpose, the invention provides the following technical scheme: a sealed separable cylindrical roller bearing comprises an outer ring, an inner ring and a roller ring, wherein a first wear-resisting ring is arranged on the outer side of the outer ring, first sealing rings are fixedly arranged on the side face and the back side of the first wear-resisting ring, second sealing rings are fixedly arranged on the side face and the back side of the inner ring, a plurality of first positioning blocks are fixedly arranged on the inner side of the first wear-resisting ring, and the first positioning blocks are embedded in the outer wall of the outer ring;
the outer side of the roller ring is movably provided with a plurality of rollers, the rollers are in lap joint with the inner wall of the outer ring, the outer side of the inner ring is fixedly provided with a plurality of second positioning blocks, the second positioning blocks are embedded into the inner wall of the roller ring, the inner side of the inner ring is provided with a second wear-resistant ring, the outer side of the second wear-resistant ring is fixedly provided with a plurality of third positioning blocks, and the third positioning blocks are embedded into the inner wall of the inner ring.
Preferably, the roller ring is arranged inside the outer ring, and the inner ring is arranged inside the roller ring.
Preferably, the number of the first sealing rings is two, and an integrated structure design is formed between the two first sealing rings and the first wear-resisting ring.
Preferably, the number of the second sealing rings is two, and the two second sealing rings are distributed in central symmetry with respect to the inner ring.
Preferably, the plurality of first positioning blocks are distributed in a central symmetry manner about the first wear-resistant ring, the longitudinal section of each first positioning block is in a triangular design, the plurality of second positioning blocks are distributed in a central symmetry manner about the inner ring, the longitudinal section of each second positioning block is in a square design, the plurality of third positioning blocks are distributed in a central symmetry manner about the second wear-resistant ring, and the longitudinal section of each third positioning block is in a semicircular design.
Preferably, the rollers are distributed in a central symmetry mode about the roller ring, rotating rods are fixedly arranged at the centers of the two ends of each roller, and the rollers are movably connected with the roller ring through the rotating rods.
Preferably, the first wear-resisting ring, the first sealing ring, the second sealing ring and the second wear-resisting ring are all made of aluminum alloy materials.
Preferably, the outer side of the outer ring is provided with a plurality of first positioning grooves, the inner side of the roller ring is provided with a plurality of second positioning grooves, the inner side of the inner ring is provided with a plurality of third positioning grooves, the first positioning block is matched with the first positioning grooves, the second positioning block is matched with the second positioning grooves, and the third positioning block is matched with the third positioning grooves.
Preferably, the side of the first sealing ring is provided with a plurality of first screws, the first sealing ring is detachably connected with the outer ring through the first screws, the side of the second sealing ring is provided with two second screws, and the second sealing ring is detachably connected with the inner ring through the second screws.
Preferably, the side surface of the first sealing ring is provided with a first through hole, the first screw is matched with the first through hole, the side surface of the second sealing ring is provided with a second through hole, and the second screw is matched with the second through hole.
The invention has the following advantages:
according to the roller bearing, the first wear-resisting ring is used for performing anti-abrasion treatment on the joint of the outer ring and the component, the second wear-resisting ring is used for performing anti-abrasion treatment on the joint of the inner ring and the shaft rod, the two first sealing rings are used for performing sealing treatment on the joint of the roller ring and the outer ring, the two second sealing rings are used for performing sealing treatment on the joint of the roller ring and the inner ring, when the inner ring is damaged, the two second sealing rings are disassembled from the side face and the back side of the inner ring, the inner ring is pushed forwards, and the inner ring can be disassembled after the second positioning block is separated from the roller ring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a longitudinal sectional view of the present invention.
FIG. 2 is a left side longitudinal section of the present invention.
FIG. 3 is an enlarged view of portion A of FIG. 1 according to the present invention.
FIG. 4 is an enlarged view of the portion B of FIG. 1 according to the present invention.
Fig. 5 is a partial structural view of a first wear ring of the present invention.
Fig. 6 is a partial structural view of a second wear ring of the present invention.
Fig. 7 is a front view of the present invention.
In the figure: 1. an outer ring; 2. an inner ring; 3. a roller ring; 4. a first wear ring; 5. a first seal ring; 6. a second seal ring; 7. a first positioning block; 8. a roller; 9. a rotating rod; 10. a second positioning block; 11. a second wear ring; 12. a third positioning block; 13. a first screw; 14. a second screw; 15. a first through hole; 16. a second via.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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 protection scope of the present invention.
The invention provides a sealed separable cylindrical roller bearing as shown in figures 1-7, which comprises an outer ring 1, an inner ring 2 and a roller ring 3, wherein the outer side of the outer ring 1 is provided with a first wear-resistant ring 4, the side surface and the back side of the first wear-resistant ring 4 are both fixedly provided with a first sealing ring 5, the side surface and the back side of the inner ring 2 are both fixedly provided with a second sealing ring 6, the inner side of the first wear-resistant ring 4 is fixedly provided with a plurality of first positioning blocks 7, and the plurality of first positioning blocks 7 are all embedded in the outer wall of the outer ring 1;
a plurality of rollers 8 are movably arranged on the outer side of the roller ring 3, the rollers 8 are in lap joint with the inner wall of the outer ring 1, a plurality of second positioning blocks 10 are fixedly arranged on the outer side of the inner ring 2, the second positioning blocks 10 are embedded into the inner wall of the roller ring 3, a second wear-resistant ring 11 is arranged on the inner side of the inner ring 2, a plurality of third positioning blocks 12 are fixedly arranged on the outer side of the second wear-resistant ring 11, and the third positioning blocks 12 are embedded into the inner wall of the inner ring 2;
further, in the above technical solution, the roller ring 3 is disposed inside the outer ring 1, and the inner ring 2 is disposed inside the roller ring 3;
further, in the above technical solution, two first seal rings 5 are provided, and the two first seal rings 5 and the first wear-resistant ring 4 are designed in an integrated structure;
further, in the above technical solution, two second sealing rings 6 are provided, and the two second sealing rings 6 are distributed in central symmetry with respect to the inner ring 2;
further, in the above technical solution, a plurality of first positioning blocks 7 are distributed in a central symmetric manner with respect to the first wear-resistant ring 4, a longitudinal cross section of the first positioning blocks 7 is designed in a triangular manner, a plurality of second positioning blocks 10 are distributed in a central symmetric manner with respect to the inner ring 2, a longitudinal cross section of the second positioning blocks 10 is designed in a square manner, a plurality of third positioning blocks 12 are distributed in a central symmetric manner with respect to the second wear-resistant ring 11, a longitudinal cross section of the third positioning blocks 12 is designed in a semicircular manner, the connection between the first wear-resistant ring 4 and the outer ring 1 is facilitated by the arranged first positioning blocks 7, the connection between the inner ring 2 and the roller ring 3 is facilitated by the arranged second positioning blocks 10, and the connection between the second wear-resistant ring 11 and the inner ring 2 is facilitated by the arranged third positioning blocks 12;
further, in the above technical solution, the plurality of rollers 8 are distributed in central symmetry about the roller ring 3, the centers of both ends of the rollers 8 are both fixedly provided with the rotating rods 9, and the rollers 8 are movably connected with the roller ring 3 through the rotating rods 9, and the movement of the rollers 8 is facilitated through the rotating rods 9;
further, in the above technical solution, the first wear-resistant ring 4, the first seal ring 5, the second seal ring 6, and the second wear-resistant ring 11 are all made of an aluminum alloy material;
further, in the above technical solution, the outer side of the outer ring 1 is provided with a plurality of first positioning grooves, the inner side of the roller ring 3 is provided with a plurality of second positioning grooves, the inner side of the inner ring 2 is provided with a plurality of third positioning grooves, the first positioning block 7 is adapted to the first positioning grooves, the second positioning block 10 is adapted to the second positioning grooves, the third positioning block 12 is adapted to the third positioning grooves, the first positioning grooves facilitate the placement of the first positioning block 7, the second positioning grooves facilitate the placement of the second positioning block 12, and the third positioning grooves facilitate the placement of the third positioning block 12;
further, in the above technical solution, a plurality of first screws 13 are arranged on a side surface of the first sealing ring 5, the first sealing ring 5 and the outer ring 1 are detachably connected through the first screws 13, two second screws 14 are arranged on a side surface of the second sealing ring 6, the second sealing ring 6 and the inner ring 2 are detachably connected through the second screws 14, the first screws 13 are arranged to facilitate assembly and disassembly of the first sealing ring 5, and the second screws 14 are arranged to facilitate assembly and disassembly of the second sealing ring 6;
further, in the above technical solution, a first through hole 15 is provided on a side surface of the first sealing ring 5, the first screw 13 is adapted to the first through hole 15, a second through hole 16 is provided on a side surface of the second sealing ring 6, the second screw 14 is adapted to the second through hole 16, the first screw 13 can conveniently penetrate through the first sealing ring 5 through the first through hole 15, and the second screw 14 can conveniently penetrate through the second sealing ring 6 through the second through hole 16.
The implementation mode is specifically as follows: when the roller bearing is used, the first wear-resistant ring 4 is used for performing wear-resistant treatment on the joint of the outer ring 1 and a component, the second wear-resistant ring 11 is used for performing wear-resistant treatment on the joint of the inner ring 2 and a shaft rod, the two first sealing rings 5 are used for performing sealing treatment on the joint of the roller ring 3 and the outer ring 1, the two second sealing rings 6 are used for performing sealing treatment on the joint of the roller ring 3 and the inner ring 2, the outer ring 1 and the inner ring 2 are movably connected through the rollers 8, when the inner ring 2 is damaged, a worker can disassemble the second sealing rings 6 from the side faces and the back sides of the inner ring 2 by screwing down the second screws 14, the inner ring 2 is pushed forwards, the second positioning block 10 can be detached from the roller ring 3, the roller bearing is convenient to assemble and disassemble, the inner ring can be independently replaced, the use cost is low, the sealing performance of the roller bearing is good, and the service.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (10)

1. The utility model provides a sealed separable type cylindrical roller bearing, includes outer loop (1), inner ring (2) and roller ring (3), its characterized in that: a first wear-resisting ring (4) is arranged on the outer side of the outer ring (1), a first sealing ring (5) is fixedly arranged on the side face and the back side of the first wear-resisting ring (4), a second sealing ring (6) is fixedly arranged on the side face and the back side of the inner ring (2), a plurality of first positioning blocks (7) are fixedly arranged on the inner side of the first wear-resisting ring (4), and the first positioning blocks (7) are embedded in the outer wall of the outer ring (1);
the outer side activity of roller ring (3) is equipped with a plurality of rollers (8), and a plurality of rollers (8) all with the inner wall overlap joint of outer ring (1), the outside of inner ring (2) is fixed and is equipped with a plurality of second locating pieces (10), and a plurality of second locating pieces (10) all imbeds and sets up in the inner wall of roller ring (3), the inboard of inner ring (2) is equipped with second wear-resisting ring (11), the outside of second wear-resisting ring (11) is fixed and is equipped with a plurality of third locating pieces (12), and a plurality of third locating pieces (12) all imbeds and set up in the inner wall of inner ring (2).
2. The sealed separable-type cylindrical roller bearing according to claim 1, wherein: the roller ring (3) is arranged on the inner side of the outer ring (1), and the inner ring (2) is arranged on the inner side of the roller ring (3).
3. The sealed separable-type cylindrical roller bearing according to claim 1, wherein: the number of the first sealing rings (5) is two, and the two first sealing rings (5) and the first wear-resisting ring (4) are in an integrated structural design.
4. The sealed separable-type cylindrical roller bearing according to claim 1, wherein: the number of the second sealing rings (6) is two, and the two second sealing rings (6) are distributed in a centrosymmetric mode relative to the inner ring (2).
5. The sealed separable-type cylindrical roller bearing according to claim 1, wherein: the first positioning blocks (7) are distributed in a central symmetry mode about the first wear-resistant ring (4), the longitudinal sections of the first positioning blocks (7) are designed in a triangular mode, the second positioning blocks (10) are distributed in a central symmetry mode about the inner ring (2), the longitudinal sections of the second positioning blocks (10) are designed in a square mode, the third positioning blocks (12) are distributed in a central symmetry mode about the second wear-resistant ring (11), and the longitudinal sections of the third positioning blocks (12) are designed in a semicircular mode.
6. The sealed separable-type cylindrical roller bearing according to claim 1, wherein: a plurality of rollers (8) are central symmetry distribution about roller ring (3), the both ends center department of roller (8) all is fixed and is equipped with bull stick (9), just roller (8) and roller ring (3) are through bull stick (9) swing joint.
7. The sealed separable-type cylindrical roller bearing according to claim 1, wherein: the first wear-resisting ring (4), the first sealing ring (5), the second sealing ring (6) and the second wear-resisting ring (11) are all made of aluminum alloy materials.
8. The sealed separable-type cylindrical roller bearing according to claim 1, wherein: a plurality of first locating grooves are formed in the outer side of the outer ring (1), a plurality of second locating grooves are formed in the inner side of the roller ring (3), a plurality of third locating grooves are formed in the inner side of the inner ring (2), the first locating block (7) is matched with the first locating grooves, the second locating block (10) is matched with the second locating grooves, and the third locating block (12) is matched with the third locating grooves.
9. The sealed separable-type cylindrical roller bearing according to claim 1, wherein: the side of first sealing ring (5) is equipped with a plurality of first screws (13), just first sealing ring (5) can dismantle through first screw (13) with outer loop (1) and be connected, the side of second sealing ring (6) is equipped with two second screws (14), just second sealing ring (6) can dismantle through second screw (14) with inner ring (2) and be connected.
10. The sealed separable-type cylindrical roller bearing according to claim 9, wherein: the side of first sealing ring (5) is equipped with first through-hole (15), just first screw (13) and first through-hole (15) looks adaptation, the side of second sealing ring (6) is equipped with second through-hole (16), just second screw (14) and second through-hole (16) looks adaptation.
CN202011002092.9A 2020-09-22 2020-09-22 Sealed separable cylindrical roller bearing Pending CN112128233A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011002092.9A CN112128233A (en) 2020-09-22 2020-09-22 Sealed separable cylindrical roller bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011002092.9A CN112128233A (en) 2020-09-22 2020-09-22 Sealed separable cylindrical roller bearing

Publications (1)

Publication Number Publication Date
CN112128233A true CN112128233A (en) 2020-12-25

Family

ID=73842341

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011002092.9A Pending CN112128233A (en) 2020-09-22 2020-09-22 Sealed separable cylindrical roller bearing

Country Status (1)

Country Link
CN (1) CN112128233A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19609663A1 (en) * 1996-03-12 1997-09-18 Torrington Nadellager Gmbh Radial rolling bearing
JP2010031947A (en) * 2008-07-28 2010-02-12 Nsk Ltd Rolling bearing
CN104348061A (en) * 2013-07-31 2015-02-11 曾亿豪 Rotating shaft power supply device
CN208719146U (en) * 2018-09-13 2019-04-09 洛阳百思特精密机械制造有限公司 A kind of diameter axial direction composite cylindrical roller bearing
CN210686694U (en) * 2019-09-19 2020-06-05 瓦房店山宝轴承制造有限公司 Shale shaker cylindrical roller bearing for mining machinery
CN210949559U (en) * 2019-11-14 2020-07-07 汕头市依斯吉轴承制造有限公司 Concave integrated retainer for cylindrical roller bearing
CN211371047U (en) * 2019-12-02 2020-08-28 天津市威奥科技有限公司 Labyrinth seal structure for bearing

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19609663A1 (en) * 1996-03-12 1997-09-18 Torrington Nadellager Gmbh Radial rolling bearing
JP2010031947A (en) * 2008-07-28 2010-02-12 Nsk Ltd Rolling bearing
CN104348061A (en) * 2013-07-31 2015-02-11 曾亿豪 Rotating shaft power supply device
CN208719146U (en) * 2018-09-13 2019-04-09 洛阳百思特精密机械制造有限公司 A kind of diameter axial direction composite cylindrical roller bearing
CN210686694U (en) * 2019-09-19 2020-06-05 瓦房店山宝轴承制造有限公司 Shale shaker cylindrical roller bearing for mining machinery
CN210949559U (en) * 2019-11-14 2020-07-07 汕头市依斯吉轴承制造有限公司 Concave integrated retainer for cylindrical roller bearing
CN211371047U (en) * 2019-12-02 2020-08-28 天津市威奥科技有限公司 Labyrinth seal structure for bearing

Similar Documents

Publication Publication Date Title
TWI704295B (en) Grooved dynamic pressure gas radial bearing
TWI694215B (en) Hybrid dynamic pressure gas radial bearing
CN201963737U (en) Retaining frame on large-sized wind power double-line tapered roller bearing
CN112128233A (en) Sealed separable cylindrical roller bearing
CN101793290A (en) Combined bearing of radial roller and axially thrust conical roller
CN201747775U (en) High-speed pure-rolling bearing
JP3064600U (en) Axis of rotation
CN218817597U (en) Detachable combined shaft sleeve
CN207864422U (en) A kind of combination bearing of cylindrical roller and thrust steel ball
TW200606060A (en) Bearing structure
CN102817919A (en) Tapered roller bearing and retainer for same
CN114046346A (en) Built-in rolling bearing fixing structure
CN102562812B (en) Retainer on large wind-power double-row tapered roller bearing
CN210799727U (en) Switchable ceramic bearing
CN210799726U (en) Combined plane thrust needle roller bearing
CN210565795U (en) Bearing capable of preventing ring from running
CN216279023U (en) Easily reassembling type bearing
CN208106973U (en) A kind of three cambered surface raceway deep groove ball bearings
CN208519058U (en) A kind of thrust ball and bearing with cross roller ball combination bearing
CN219492589U (en) Be used for vacuum pump to improve rotor bearing structure
CN220248668U (en) Air bearing of thinning machine
CN110657157A (en) Assembled angular contact ball bearing capable of bearing extremely large axial load
CN220101801U (en) Alloy bearing convenient to assemble and disassemble and having lubricating function
CN219340717U (en) Assembled roller mechanism capable of correcting belt
CN206770406U (en) One kind safeguards convenient outer ring split bearing

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20201225

RJ01 Rejection of invention patent application after publication