CN106286582A - A kind of cylindrical roll bearing for rolling mills - Google Patents

A kind of cylindrical roll bearing for rolling mills Download PDF

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Publication number
CN106286582A
CN106286582A CN201610793318.9A CN201610793318A CN106286582A CN 106286582 A CN106286582 A CN 106286582A CN 201610793318 A CN201610793318 A CN 201610793318A CN 106286582 A CN106286582 A CN 106286582A
Authority
CN
China
Prior art keywords
raceway
cylindrical roller
bearing
outer ring
ring
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.)
Granted
Application number
CN201610793318.9A
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Chinese (zh)
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CN106286582B (en
Inventor
车德礼
杜善亮
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.)
WAFANGDIAN ZHENGDA METALLURGICAL MILL BEARING CO Ltd
Original Assignee
WAFANGDIAN ZHENGDA METALLURGICAL MILL 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.)
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Application filed by WAFANGDIAN ZHENGDA METALLURGICAL MILL BEARING CO Ltd filed Critical WAFANGDIAN ZHENGDA METALLURGICAL MILL BEARING CO Ltd
Priority to CN201610793318.9A priority Critical patent/CN106286582B/en
Publication of CN106286582A publication Critical patent/CN106286582A/en
Application granted granted Critical
Publication of CN106286582B publication Critical patent/CN106286582B/en
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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
    • 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
    • F16C33/30Parts of ball or roller bearings
    • F16C33/58Raceways; Race rings
    • F16C33/583Details of specific parts of races
    • F16C33/585Details of specific parts of races of raceways, e.g. ribs to guide the 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
    • F16C33/30Parts of ball or roller bearings
    • F16C33/66Special parts or details in view of lubrication
    • F16C33/6637Special parts or details in view of lubrication with liquid lubricant
    • F16C33/664Retaining the liquid in or near the bearing
    • F16C33/6651Retaining the liquid in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
    • 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
    • F16C2322/00Apparatus used in shaping articles
    • F16C2322/12Rolling apparatus, e.g. rolling stands, rolls

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

Abstract

A kind of cylindrical roll bearing for rolling mills, including: cylindrical roller, one end of cylindrical roller is planar ends, and the other end is sphere end, and two cylindrical roller docking form a set of rollers;Outer ring, offers the first raceway in the inner on side, the both sides of the first raceway are smooth arc connected in star structure;Inner ring, offers the second raceway on its lateral surface, and the both sides of the second raceway are smooth arc connected in star structure, and cylindrical roller rolls and is arranged between the first raceway and the second raceway.The present invention becomes smooth arc connected in star structure in the diapire edges at two ends Position Design of raceway, the end of cylindrical roller is that face contacts with the edge of raceway, so pressure distribution is uniform, and stress has obtained reducing largely, solves the problem that prior art middle (center) bearing is susceptible to damage.It addition, the retainer that traditional bearing can also be had by the present invention carries out simplifying removal, so, the probability that bearing is damaged also is able to be reduced.

Description

A kind of cylindrical roll bearing for rolling mills
Technical field
The present invention relates to technical field of bearings, particularly relate to a kind of cylindrical roll bearing for rolling mills.
Background technology
Along with the fast development of China's industry, Metallurgical Enterprise grows up the most accordingly, its to the requirement of equipment not yet Improving, bearing is component part important in Rolling production equipment disconnectedly.
The typical FC type structure four-line column roller bearing that Metallurgical Enterprise is installed and used on hot strip mill production line at present, It uses has middle baffle plate and the structure of two oil ducts, easily causes stress and concentrates, makes lasso crack source, cause part Fracture, reduces the service life of bearing, simultaneously in the middle of ring washer affect the length of roller, reduce the dynamic load rating value of bearing with The bearing capacity of bearing, when axially having certain relative displacement, bearing cannot run well.
It addition, in traditional roller bearing structure, the outer rim of its end face of cylindrical roller arranged in bearing is perpendicular type Outer rim, easily after pressurized, occur that stress is concentrated between roller and raceway, occur roller collapse damage or the deformation of raceway, shadow Ring the normal operation of bearing.
In sum, how to solve roller bearing in conventional art to concentrate due to stress and exist and parts damages easily occur Problem, become those skilled in the art's problem demanding prompt solution.
Summary of the invention
It is an object of the invention to provide a kind of cylindrical roll bearing for rolling mills, to solve asking of above-mentioned prior art existence Topic.
For achieving the above object, the invention provides following scheme: this application provides a kind of milling train cylindrical roller axle Hold, including:
Cylindrical roller, one end of described cylindrical roller is planar ends, and the other end of described cylindrical roller is outwardly Sphere end, described cylindrical roller includes multiple, and wherein, two described cylindrical rollers form one after being docked by its planar ends Set of rollers;
Outer ring, described outer ring is loop configuration, offers for housing described set of rollers on the medial surface of described outer ring The first raceway, the both sides of described first raceway are and the smooth arc connected in star structure of described sphere end shape adaptation;
Inner ring, described inner ring is loop configuration, offers for housing described set of rollers on the lateral surface of described inner ring The second raceway, the both sides of described second raceway are and the smooth arc connected in star structure of described sphere end shape adaptation, described outside Snare is located at the outside of described inner ring, described cylindrical roller roll be arranged at described first raceway and described second raceway it Between.
Preferably, described first raceway offered on described outer ring is provided with two, between two described first raceways Interval is arranged;Described second raceway offered on described inner ring is corresponding with described first raceway, and described second raceway is arranged Having two, between two described second raceways, interval is arranged.
Preferably, present invention additionally comprises baffle ring;Described baffle ring is sheathed on the outside of described inner ring and is positioned at described outer ring Inner side, described baffle ring is arranged between two described first raceways and can offset with described cylindrical roller.
Preferably, described baffle ring is bearing steel baffle ring, and described baffle ring is integral type structure.
Preferably, offering fuel feed hole on described outer ring, described fuel feed hole communicates with described first raceway;In described enter The outside of oilhole is provided with the oil box for storing lubricating oil, and described oil box communicates with described fuel feed hole.
Preferably, described fuel feed hole includes multiple, and described fuel feed hole is correspondingly arranged with described cylindrical roller.
Preferably, present invention additionally comprises oil supply system, described oil supply system has the confession for providing extreme pressure lubricant Oil device, described fueller is connected with described fuel feed hole by oil pipe.
Preferably, described outer ring is one-body molded by bearing steel, be provided with in described first raceway for described cylinder The ceramic gasket of roller contact;Described inner ring is one-body molded by bearing steel, is provided with for described in described second raceway The ceramic gasket of cylindrical roller contact.
The specific embodiment provided according to the present invention, the invention discloses techniques below effect:
Designed by said structure, the first raceway that the present invention offers on outer ring and inner ring and the second raceway, The diapire edges at two ends Position Design of raceway becomes smooth arc connected in star structure, in set of rollers is installed to raceway, set of rollers Two ends be outwardly smooth spherical structure, the end of cylindrical roller is that face contacts with the edge of raceway, so, For traditional linear contact lay, pressure distribution is uniform in the present invention, and stress has obtained reducing largely, solves The problem concentrated due to stress present in prior art and be susceptible to damage.It addition, on the first raceway and the second raceway Cylindrical roller can also be carried out spacing by the smooth arc connected in star structure having so that cylindrical roller is only capable of at it corresponding Rotate in groove, so can also carry out simplifying removal by retainer, owing to Bearing inner part reduces, the probability that bearing is damaged It also is able to be reduced.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings Obtain other accompanying drawing.
Fig. 1 is the partial structurtes schematic diagram of cylindrical roll bearing for rolling mills in the embodiment of the present invention;
Fig. 2 is the partial structurtes schematic diagram that in the embodiment of the present invention, inner ring is provided with ceramic gasket;
Fig. 3 is the structural representation of cylindrical roller in the embodiment of the present invention;
In Fig. 1 to Fig. 3, component names with the corresponding relation of reference is:
Cylindrical roller 1, outer ring 2, inner ring 3, baffle ring 4, fuel feed hole 5, oil box 6.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1 to Fig. 3, wherein, Fig. 1 is that in the embodiment of the present invention, the partial structurtes of cylindrical roll bearing for rolling mills are shown It is intended to;Fig. 2 is the partial structurtes schematic diagram that in the embodiment of the present invention, inner ring is provided with ceramic gasket;Fig. 3 is the embodiment of the present invention The structural representation of middle cylindrical roller.
The invention provides a kind of cylindrical roll bearing for rolling mills, the concrete structure of this bearing is: include cylindrical roller 1, Outer ring 2 and inner ring 3, outer ring 2 is set in the outside of inner ring 3, and cylindrical roller 1 is folded between outer ring 2 and inner ring 3.
The lateral cross section of cylindrical roller 1 is circular, and one end of cylindrical roller 1 is planar ends, and the other end of cylindrical roller 1 is Outwardly sphere end, cylindrical roller 1 includes multiple, and wherein, two cylindrical rollers 1 are formed after being docked by its planar ends One set of rollers, when assembling bearing, in units of a set of rollers, attaches it to raceway and (has specifically included One raceway and the second raceway) in.Cylindrical roller 1 can rotate in raceway.
Outer ring 2 uses loop configuration to design, and offers the first rolling for housing set of rollers on the medial surface of outer ring 2 Road, the both sides of the first raceway are the smooth arc connected in star structure with sphere end shape adaptation.
Inner ring 3 uses loop configuration to design, and offers the second rolling for housing set of rollers on the lateral surface of inner ring 3 Road, the both sides of the second raceway are the smooth arc connected in star structure with sphere end shape adaptation, the sheathed outside with inner ring 3, outer ring 2, Cylindrical roller 1 rolls and is arranged between the first raceway and the second raceway.
For the ease of describing, if relate to the first raceway and the second raceway simultaneously, for the ease of describing, hereafter by the One raceway and the second raceway are referred to as raceway.
In said structure designs, the first raceway offered on outer ring 2 and inner ring 3 and the second raceway, at raceway Diapire edges at two ends Position Design become smooth arc connected in star structure, in set of rollers is installed to raceway, the two of set of rollers End is outwardly smooth spherical structure, and the end of cylindrical roller 1 is that face contacts with the edge of raceway, so, and phase Ratio is for traditional linear contact lay, and pressure distribution is uniform in the present invention, and stress has obtained reducing largely, solves existing There is the problem concentrated present in technology and be susceptible to damage due to stress.It addition, have on the first raceway and the second raceway Cylindrical roller 1 can also be carried out spacing by some smooth arc connected in star structures so that cylindrical roller 1 is only capable of at it corresponding Rotate in groove, so can also carry out simplifying removal by retainer, owing to Bearing inner part reduces, the probability that bearing is damaged It also is able to be reduced.
It should be understood that the design of smooth arc connected in star structure that the first raceway and the second raceway have has as follows Both sides advantage: 1, for inner ring 3 or outer ring 2 self, smooth arcuate structure is sharp-pointed compared to conventional orthogonal For structure, it is possible to the problem solving stress concentration, it is to avoid inner ring 3 or outer ring 2 self occur collapsing damage;2, for inner ring 3 Contact with cylindrical roller 1 or for outer ring 2 contacts with cylindrical roller 1, use face contact between two parts, worked In the case of in journey, stress is identical, face contact is compared to traditional linear contact lay, and pressure distribution is uniform, and this structure can improve bearing Bearing capacity.
Specifically, the first raceway offered on outer ring 2 is provided with two, and between two the first raceways, interval is arranged;In The second raceway and the first raceway offered on inner ring 3 are corresponding, and the second raceway is provided with two, are spaced between two the second raceways Arrange.
In said structure, designed by the structure of designer's limited number of time, after outer ring 2 set is set on inner ring 3, first Between raceway and the second raceway one_to_one corresponding arrange, two raceways relatively after can form an annular cavity body structure, cylinder Roller 1 is rotatably arranged in above-mentioned cavity body structure.
Being provided with a set of rollers in first raceway, a set of rollers is made up of two cylindrical rollers.When the present invention is four During row bearing, the first raceway is then provided with two.Certainly, the first raceway is also provided with three, four.Opening of second raceway If quantity and the first raceway to arrange quantity corresponding.
When the first raceway offers two, two the first raceway intervals are arranged, in the gap that two the first raceways have Inside being provided with a baffle ring 4, baffle ring 4 is sheathed on the outside of inner ring 3 and is positioned at the inner side of outer ring 2, and baffle ring 4 is arranged at two first Between raceway and can offset with cylindrical roller 1.
Specifically, baffle ring 4 is bearing steel baffle ring, and baffle ring 4 is integral type structure.
In order to the rotation to bearing inner circle post roller 1 is lubricated, on outer ring 2, offer fuel feed hole 5, fuel feed hole 5 communicate with the first raceway;The oil box 6 for storing lubricating oil, oil box 6 and fuel feed hole 5 phase it is provided with in the outside of fuel feed hole 5 Logical.When actually used, outer ring 2 is actionless, and therefore, the present invention has offered fuel feed hole 5 on outer ring 2.On outer ring 2 It is provided with oil box 6, lubricating oil can be stored by oil box 6.
In order to improve the effect of oil lubrication, fuel feed hole 5 includes multiple, and fuel feed hole 5 is correspondingly arranged with cylindrical roller 1.
Additionally providing oil supply system in the present invention, oil supply system has the fueller for providing extreme pressure lubricant, Fueller is connected with fuel feed hole 5 by oil pipe.Extreme pressure lubricant is provided to Bearing inner by oil supply system, so that profit Lubricating oil is evenly distributed in bearing, it is ensured that lubricant effect.
Another as the present invention improves emphasis: outer ring 2 is one-body molded by bearing steel, is provided with use in the first raceway In the ceramic gasket contacted with cylindrical roller 1;Inner ring 3 is one-body molded by bearing steel, be provided with in the second raceway for circle The ceramic gasket of post roller 1 contact.
In the structure being provided with ceramic gasket designs, the first raceway and the second raceway may be designed so that and tradition axle Holding identical structure, then, ceramic gasket is designed to one and has reeded component, have on ceramic gasket is recessed Groove, its structure are suitable with the profile of cylindrical roller 1, so, are arranged to by ceramic gasket in the first raceway and second pipe, Cylindrical roller 1 contacts with ceramic gasket, when ceramic gasket is damaged, directly can be replaced ceramic gasket, former outside Circle 2 and inner ring 3 can also continue to use.
The present invention arranges the advantage of ceramic gasket and is: 1, be easy to part replacement, can extend inner ring 3 and outer ring 2 simultaneously Service life;2, for ceramic material is compared to traditional Steel material, its hardness is higher.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other The difference of embodiment, between each embodiment, identical similar portion sees mutually.For system disclosed in embodiment For, owing to it corresponds to the method disclosed in Example, so describe is fairly simple, relevant part sees method part and says Bright.
Principle and the embodiment of the present invention are set forth by specific case used herein, saying of above example Bright method and the core concept thereof being only intended to help to understand the present invention;Simultaneously for one of ordinary skill in the art, foundation The thought of the present invention, the most all will change.In sum, this specification content is not It is interpreted as limitation of the present invention.

Claims (8)

1. a cylindrical roll bearing for rolling mills, it is characterised in that including:
Cylindrical roller (1), one end of described cylindrical roller is planar ends, and the other end of described cylindrical roller is outwardly ball Face end, described cylindrical roller includes multiple, and wherein, two described cylindrical rollers form a rolling after being docked by its planar ends Subgroup;
Outer ring (2), described outer ring is loop configuration, offers for housing described set of rollers on the medial surface of described outer ring First raceway, the both sides of described first raceway are and the smooth arc connected in star structure of described sphere end shape adaptation;
Inner ring (3), described inner ring is loop configuration, offers for housing described set of rollers on the lateral surface of described inner ring Second raceway, the both sides of described second raceway are and the smooth arc connected in star structure of described sphere end shape adaptation, described outer ring Being sheathed on the outside of described inner ring, described cylindrical roller rolls and is arranged between described first raceway and described second raceway.
Cylindrical roll bearing for rolling mills the most according to claim 1, it is characterised in that
Described first raceway offered on described outer ring is provided with two, and between two described first raceways, interval is arranged;
Described second raceway offered on described inner ring is corresponding with described first raceway, and described second raceway is provided with two Bar, between two described second raceways, interval is arranged.
Cylindrical roll bearing for rolling mills the most according to claim 2, it is characterised in that
Also include baffle ring (4);
Described baffle ring is sheathed on the outside of described inner ring and is positioned at the inner side of described outer ring, and described baffle ring is arranged at two articles described Between one raceway and can offset with described cylindrical roller.
Cylindrical roll bearing for rolling mills the most according to claim 3, it is characterised in that
Described baffle ring is bearing steel baffle ring, and described baffle ring is integral type structure.
Cylindrical roll bearing for rolling mills the most according to claim 4, it is characterised in that
Offering fuel feed hole (5) on described outer ring, described fuel feed hole communicates with described first raceway;
Be provided with the oil box (6) for storing lubricating oil in the outside of described fuel feed hole, described oil box communicates with described fuel feed hole.
Cylindrical roll bearing for rolling mills the most according to claim 5, it is characterised in that
Described fuel feed hole includes multiple, and described fuel feed hole is correspondingly arranged with described cylindrical roller.
Cylindrical roll bearing for rolling mills the most according to claim 6, it is characterised in that
Also including oil supply system, described oil supply system has the fueller for providing extreme pressure lubricant, and described fuel feeding fills Put and connected with described fuel feed hole by oil pipe.
Cylindrical roll bearing for rolling mills the most according to claim 7, it is characterised in that
Described outer ring is one-body molded by bearing steel, is provided with the pottery for contacting with described cylindrical roller in described first raceway Porcelain pad;
Described inner ring is one-body molded by bearing steel, is provided with the pottery for contacting with described cylindrical roller in described second raceway Porcelain pad.
CN201610793318.9A 2016-08-31 2016-08-31 A kind of cylindrical roll bearing for rolling mills Active CN106286582B (en)

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CN106286582B CN106286582B (en) 2019-01-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113465802A (en) * 2021-06-10 2021-10-01 北京思灵机器人科技有限责任公司 Torque sensor
CN114962444A (en) * 2022-03-03 2022-08-30 陕西开放大学 High-speed heavy-load low-friction high-speed rail bearing

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4705411A (en) * 1984-09-26 1987-11-10 Aktiebolaget Skf Radial rolling bearing
CN1302962A (en) * 2001-01-05 2001-07-11 陈世业 Cylindrical roller with symmetrical dual cones and its application in bearing
CN1610798A (en) * 2001-12-28 2005-04-27 日本精工株式会社 roller bearing
CN201526598U (en) * 2009-09-11 2010-07-14 北京银河昊星机电技术有限公司 Abrasion and high-temperature resistant rolling bearing
CN102478059A (en) * 2010-11-29 2012-05-30 瓦房店福斯特轴承科技开发有限公司 Four column cylinder roller bearing
CN203130789U (en) * 2013-01-05 2013-08-14 洛阳宜华滚动体有限公司 Cylindrical roller bearing capable of reducing axial friction force
CN203248525U (en) * 2013-01-30 2013-10-23 洛阳市洛凌轴承科技股份有限公司 Rolling bearing
CN103883633A (en) * 2014-04-10 2014-06-25 上海纳铁福传动系统有限公司 Gate type sliding universal joint
CN107327494A (en) * 2017-08-31 2017-11-07 高夫 Double-conical-surface roller bearing

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4705411A (en) * 1984-09-26 1987-11-10 Aktiebolaget Skf Radial rolling bearing
CN1302962A (en) * 2001-01-05 2001-07-11 陈世业 Cylindrical roller with symmetrical dual cones and its application in bearing
CN1610798A (en) * 2001-12-28 2005-04-27 日本精工株式会社 roller bearing
CN201526598U (en) * 2009-09-11 2010-07-14 北京银河昊星机电技术有限公司 Abrasion and high-temperature resistant rolling bearing
CN102478059A (en) * 2010-11-29 2012-05-30 瓦房店福斯特轴承科技开发有限公司 Four column cylinder roller bearing
CN203130789U (en) * 2013-01-05 2013-08-14 洛阳宜华滚动体有限公司 Cylindrical roller bearing capable of reducing axial friction force
CN203248525U (en) * 2013-01-30 2013-10-23 洛阳市洛凌轴承科技股份有限公司 Rolling bearing
CN103883633A (en) * 2014-04-10 2014-06-25 上海纳铁福传动系统有限公司 Gate type sliding universal joint
CN107327494A (en) * 2017-08-31 2017-11-07 高夫 Double-conical-surface roller bearing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113465802A (en) * 2021-06-10 2021-10-01 北京思灵机器人科技有限责任公司 Torque sensor
CN114962444A (en) * 2022-03-03 2022-08-30 陕西开放大学 High-speed heavy-load low-friction high-speed rail bearing

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