CN107939829B - A kind of motor bearings - Google Patents

A kind of motor bearings Download PDF

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Publication number
CN107939829B
CN107939829B CN201711388260.0A CN201711388260A CN107939829B CN 107939829 B CN107939829 B CN 107939829B CN 201711388260 A CN201711388260 A CN 201711388260A CN 107939829 B CN107939829 B CN 107939829B
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parts
outer ring
inner race
nickel alloy
bearing outer
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CN201711388260.0A
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CN107939829A (en
Inventor
宋震天
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Yangzhou Yingtai Machinery Co., Ltd.
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Yangzhou Yingtai Machinery Co Ltd
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    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings 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
    • F16C19/34—Bearings 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 both radial and axial load
    • F16C19/36—Bearings 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 both radial and axial load with a single row of rollers
    • F16C19/361—Bearings 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 both radial and axial load with a single row of rollers with cylindrical rollers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
    • C08L61/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
    • 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
    • F16C33/46—Cages for rollers or needles
    • F16C33/56—Selection of substances
    • 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
    • F16C33/58—Raceways; Race rings
    • F16C33/62—Selection of substances
    • 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
    • F16C33/58—Raceways; Race rings
    • F16C33/64—Special methods of manufacture
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • 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
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F16C2208/36—Polyarylene ether ketones [PAEK], e.g. PEK, PEEK
    • 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
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F16C2208/40—Imides, e.g. polyimide [PI], polyetherimide [PEI]
    • 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
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F16C2208/52—Polyphenylene sulphide [PPS]

Abstract

A kind of motor bearings, including nickel alloy bearing outer ring, nickel alloy bearing inner race, polyether-ether-ketone base composite holder, roller, the retainer is set between nickel alloy bearing outer ring and nickel alloy bearing inner race, the roller is set on retainer, nickel alloy bearing outer ring inner surface and nickel alloy bearing inner race outer surface are provided with annular lubricant rouge slot, grease trough section semicircular in shape, roller and bearing outer ring on the retainer, lubricating grease is filled in running clearance between bearing inner race, lubricating grease to obtain sufficient lubrication between bearing inner race and bearing outer ring and rolling element, and grease trough section semicircular in shape provides sufficient heat-dissipating space, avoid influence of the localized hyperthermia to bearing.

Description

A kind of motor bearings
The application is a kind of female case denomination of invention " motor bearings " application number: the division Shen of CN201610706799.5 Please, parent application day is on August 23rd, 2016.
Technical field
The present invention relates to a kind of motor bearings, belongs to motor bearing technology field.
Background technique
Bearing (Bearing) is a kind of important spare part in contemporary mechanical equipment.Its major function is the mechanical rotation of support Swivel, reduces the coefficient of friction in its motion process, and guarantee its rotating accuracy.According to the difference of the friction properties of the moving elements, axis Hold normalized, seriation, but with mechanical shrewdness require it is higher and higher, to bear vibration and noise compared with and cost have compared with High request.
Summary of the invention
A kind of motor bearings, including nickel alloy bearing outer ring, nickel alloy bearing inner race, polyether-ether-ketone base composite holder, Roller, the retainer are set between nickel alloy bearing outer ring and nickel alloy bearing inner race, and the roller is set on retainer, nickel Alloy bearing inner surface and nickel alloy bearing inner race outer surface are provided with annular lubricant rouge slot, and grease trough section is in semicircle Shape is filled with lubricating grease in the running clearance between roller and bearing outer ring, bearing inner race on the retainer,
Retainer raw material composition are as follows: 120-130 parts of polyether-ether-ketone, 20-25 parts of polyimides, polyphenylene sulfide 10- It 12 parts, 5-6 parts of silicon carbide, 3-4 parts of graphite, after weighing above-mentioned raw materials mixing by weight, is made after being preheated using extruder Grain；Mold temperature is preheated at 200 DEG C later；Particle is heated to forming melt after granulation, injection pressure 50-60MPa: injection mold In, keep 40-50MPa pressure to continue 30 seconds,
Lubricating grease parts by weight include: 40-50 parts of mineral oil, 8-10 parts of lithium hydroxide, 5-6 parts of ten dihydroxystearic acid, rouge 2-3 parts of fatty acid methyl esters, 2-3 parts of sodium citrate, 1-2 parts of alkyl phosphate, 1-2 parts of sodium molybdate,
Bearing inner race and bearing outer ring nickel alloy element weight percentage are as follows: Mg 7-8 ﹪, Cr 2-3 ﹪, Co 1- 2 ﹪, Al 0.8-0.9 ﹪, Ti 0.5-0.6 ﹪, Nb 0.4-0.5 ﹪, Ca 0.1-0.2 ﹪, Mo 0.07-0.08 ﹪, Ag 0.06-0.07 ﹪, C 0.03-0.04 ﹪, La 0.03-0.04 ﹪, surplus Ni, according to needed for bearing inner race and bearing outer ring Nickel alloy is stocked up respectively, and material base is forged using forging press, and just forging temperature is 1120 DEG C, by the vertical jumping-up of material base, pressure The every pressure 20-25mm pause 6s of power machine, manufactures outside bearing inner race blank and bearing respectively after conducting forging processing by 910 DEG C of final forging temperature Blank is enclosed, by bearing inner race blank and bearing outer ring blank heating, temperature control is squeezed after twenty minutes in 950-960 DEG C of heat preservation Pressure is punched out to obtain precast hollow spinning blank, carry out on spinning machine later after keeping the temperature 3 hours at 750-760 DEG C later Rotary pressing processing, first passage spinning amount of feeding 0.5mm/r, temperature are maintained at 930-940 DEG C；Reduction 30-40 ﹪, first passage spinning Blank is controlled afterwards and keeps the temperature 0.5 hour at 660-670 DEG C, carries out two passage spinning later, temperature is maintained at 870-880 DEG C；Subtract Thin rate 40-50 ﹪, amount of feeding 0.7mm/r respectively obtain bearing inner race and bearing outer ring prefabricated component, carry out Water Quenching later, Hardening heat is 720-730 DEG C, carries out tempering later, and tempering temperature is 320-330 DEG C, tempering time 2 hours, is air-cooled to Room temperature；Bearing inner race and bearing outer ring carry out machining chamfering and grease trough；Later to bearing inner race and bearing outer ring into Row grinding, precision after grinding are Ra0.1.
Blank heating is kept the temperature 0.5 hour to 660 DEG C after first passage spinning by a kind of motor bearings.
Blank heating is kept the temperature 0.5 hour to 670 DEG C after first passage spinning by a kind of motor bearings.
Blank heating is kept the temperature 0.5 hour to 665 DEG C after first passage spinning by a kind of motor bearings.
A kind of motor bearings, lubricating grease include: 40 parts of mineral oil, 8 parts of lithium hydroxide, ten dihydroxystearic acids 5 Part, 2 parts of fatty acid methyl ester, 2 parts of sodium citrate, 1 part of alkyl phosphate, 1 part of sodium molybdate.
A kind of motor bearings, lubricating grease include: 50 parts of mineral oil, 10 parts of lithium hydroxide, ten dihydroxystearic acids 6 Part, 3 parts of fatty acid methyl ester, 3 parts of sodium citrate, 2 parts of alkyl phosphate, 2 parts of sodium molybdate.
A kind of motor bearings, lubricating grease include: 45 parts of mineral oil, 9 parts of lithium hydroxide, ten dihydroxystearic acids 5.5 parts, 2.5 parts of fatty acid methyl ester, 2.5 parts of sodium citrate, 1.5 parts of alkyl phosphate, 1.5 parts of sodium molybdate.
A kind of motor bearings, retainer raw material composition are as follows: 120 parts of polyether-ether-ketone, 20 parts of polyimides, polyphenylene sulfide 10 parts of ether, 5 parts of silicon carbide, 3 parts of graphite.
A kind of motor bearings, retainer raw material composition are as follows: 130 parts of polyether-ether-ketone, 25 parts of polyimides, polyphenylene sulfide 12 parts of ether, 6 parts of silicon carbide, 4 parts of graphite.
A kind of motor bearings, retainer raw material composition are as follows: 125 parts of polyether-ether-ketone, 23 parts of polyimides, polyphenylene sulfide 11 parts of ether, 5.5 parts of silicon carbide, 3.5 parts of graphite.
Nickel-base alloy tensile strength of the present invention reaches 672MPa, and wear rate reaches 0.26 × 10-4 mm3N-1m-1, Ni-based conjunction Gold meets the requirement of the mechanical performance of bearing inner race and bearing outer ring, and the service life of material improves, and wearability is higher.It uses Retainer made of polyether-ether-ketone composite material has preferably elasticity and intensity, and high-speed rotating rolling element can be made to absorb one Portion of energy reduces vibration and noise, and lubricating grease to obtain sufficient lubrication between bearing inner race and bearing outer ring and rolling element, And grease trough section semicircular in shape provides sufficient heat-dissipating space, avoids influence of the localized hyperthermia to bearing.
Detailed description of the invention
Fig. 1 is motor bearings schematic cross-section.
Specific embodiment
A kind of motor bearings as described in Figure 1, including nickel alloy bearing outer ring 1, nickel alloy bearing inner race 2, polyether-ether-ketone base Composite holder 3, roller 4, the retainer are set between nickel alloy bearing outer ring and nickel alloy bearing inner race, and the roller is set In on retainer, nickel alloy bearing outer ring inner surface and nickel alloy bearing inner race outer surface are provided with annular lubricant rouge slot 5, lubrication Rouge slot cross-section semicircular in shape is filled in the running clearance between roller and bearing outer ring, bearing inner race on the retainer Lubricating grease,
Embodiment 1
A kind of motor bearings, including nickel alloy bearing outer ring, nickel alloy bearing inner race, polyether-ether-ketone base composite holder, Roller, the retainer are set between nickel alloy bearing outer ring and nickel alloy bearing inner race, and the roller is set on retainer, nickel Alloy bearing inner surface and nickel alloy bearing inner race outer surface are provided with annular lubricant rouge slot, and grease trough section is in semicircle Shape is filled with lubricating grease in the running clearance between roller and bearing outer ring, bearing inner race on the retainer,
Bearing inner race and bearing outer ring nickel alloy element weight percentage are as follows: Mg 7.3 ﹪, Cr 2.2 ﹪, Co 1.3 ﹪, Al 0.81 ﹪, Ti 0.56 ﹪, Nb 0.47 ﹪, Ca 0.18 ﹪, Mo 0.076 ﹪, Ag 0.068 ﹪, C 0.039 ﹪, La 0.036 ﹪, surplus Ni stock up respectively according to nickel alloy needed for bearing inner race and bearing outer ring, material base It is forged using forging press, just forging temperature is 1120 DEG C, by the vertical jumping-up of material base, the every pressure 20-25mm pause 6s of press machine, 910 DEG C of final forging temperature, bearing inner race blank and bearing outer ring blank are manufactured after conducting forging processing respectively, by bearing inner race blank and axis Bearing outer-ring blank heating, temperature control are squeezed after twenty minutes in 950-960 DEG C of heat preservation, small in 750-760 DEG C of heat preservation 3 later When after be punched out to obtain precast hollow spinning blank, rotary pressing processing, the first passage spinning amount of feeding are carried out on spinning machine later 0.5mm/r, temperature are maintained at 930-940 DEG C；Reduction 30-40 ﹪ protects blank control at 660-670 DEG C after first passage spinning Temperature 0.5 hour, carries out two passage spinning, temperature is maintained at 870-880 DEG C later；Reduction 40-50 ﹪, amount of feeding 0.7mm/r, Respectively obtain bearing inner race and bearing outer ring prefabricated component, carry out Water Quenching later, hardening heat is 720-730 DEG C, it is laggard Row tempering, tempering temperature are 320-330 DEG C, tempering time 2 hours, are air-cooled to room temperature；Bearing inner race and bearing outer ring into Row machining chamfering and grease trough；Grinding is carried out to bearing inner race and bearing outer ring later, precision after grinding is Ra0.1,
Lubricating grease parts by weight include: 43 parts of mineral oil, 8.7 parts of lithium hydroxide, 5.3 parts of ten dihydroxystearic acid, fatty acid 2.7 parts of methyl esters, 2.8 parts of sodium citrate, 1.3 parts of alkyl phosphate, 1.2 parts of sodium molybdate,
Retainer raw material composition are as follows: 123 parts of polyether-ether-ketone, 21 parts of polyimides, 10.2 parts of polyphenylene sulfide, carbonization It 5.3 parts of silicon, 3.8 parts of graphite, after weighing above-mentioned raw materials mixing by weight, is granulated after being preheated using extruder；Rear mold Have temperature to preheat at 200 DEG C；Particle is heated to forming melt after granulation, injection pressure 50-60MPa: in injection mold, keeping 40-50MPa pressure continues 30 seconds.

Claims (1)

1. a kind of motor bearings, including nickel alloy bearing outer ring, nickel alloy bearing inner race, polyether-ether-ketone base composite holder, rolling Son, the retainer are set between nickel alloy bearing outer ring and nickel alloy bearing inner race, and the roller is set on retainer, and nickel closes Golden bearing outer ring inner surface and nickel alloy bearing inner race outer surface are provided with annular lubricant rouge slot, and grease trough section is in semicircle Shape is filled with lubricating grease in the running clearance between roller and bearing outer ring, bearing inner race on the retainer,
Bearing inner race and bearing outer ring nickel alloy element weight percentage are as follows: Mg 7.3 ﹪, Cr 2.2 ﹪, Co 1.3 ﹪, Al 0.81 ﹪, Ti 0.56 ﹪, Nb 0.47 ﹪, Ca 0.18 ﹪, Mo 0.076 ﹪, Ag 0.068 ﹪, C 0.039 ﹪, La 0.036 ﹪, surplus Ni, according to element needed for bearing inner race and bearing outer ring composition stock up, material base using forging press into Row forging, just forging temperature is 1120 DEG C, by the vertical jumping-up of material base, the every pressure 20-25mm pause 6s of press machine, final forging temperature 910 DEG C, bearing inner race blank and bearing outer ring blank are manufactured after conducting forging processing respectively, by bearing inner race blank and bearing outer ring blank Heating, temperature control are squeezed after twenty minutes in 950-960 DEG C of heat preservation, are rushed after keeping the temperature 3 hours at 750-760 DEG C later Hole obtains precast hollow spinning blank, carries out rotary pressing processing, first passage spinning amount of feeding 0.5mm/r, temperature on spinning machine later Degree is maintained at 930-940 DEG C；Blank control is kept the temperature 0.5 hour at 660-670 DEG C after first passage spinning by reduction 30-40 ﹪, Two passage spinning are carried out later, and temperature is maintained at 870-880 DEG C；Reduction 40-50 ﹪, amount of feeding 0.7mm/r respectively obtain axis Inner ring and bearing outer ring prefabricated component to be held, carries out Water Quenching later, hardening heat is 720-730 DEG C, tempering is carried out later, Tempering temperature is 320-330 DEG C, tempering time 2 hours, is air-cooled to room temperature；Bearing inner race and bearing outer ring are machined down Angle and grease trough；Grinding is carried out to bearing inner race and bearing outer ring later, precision after grinding is Ra0.1,
Lubricating grease parts by weight include: 43 parts of mineral oil, 8.7 parts of lithium hydroxide, 5.3 parts of ten dihydroxystearic acid, fatty acid methyl ester 2.7 parts, 2.8 parts of sodium citrate, 1.3 parts of alkyl phosphate, 1.2 parts of sodium molybdate,
Retainer raw material composition are as follows: 123 parts of polyether-ether-ketone, 21 parts of polyimides, 10.2 parts of polyphenylene sulfide, silicon carbide It 5.3 parts, 3.8 parts of graphite, after weighing above-mentioned raw materials mixing by weight, is granulated after being preheated using extruder；Rear mold Temperature is preheated at 200 DEG C；Particle is heated to forming melt after granulation, injection pressure 50-60MPa: in injection mold, keeping 40- 50MPa pressure continues 30 seconds.
CN201711388260.0A 2016-08-23 2016-08-23 A kind of motor bearings Active CN107939829B (en)

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CN201610706799.5A CN106168254B (en) 2016-08-23 2016-08-23 A kind of motor bearings
CN201711388260.0A CN107939829B (en) 2016-08-23 2016-08-23 A kind of motor bearings

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Publication number Priority date Publication date Assignee Title
CN108411160B (en) * 2018-03-28 2020-09-29 清华大学 Self-lubricating bearing with self-adaptive characteristic and preparation method thereof

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JPH07127644A (en) * 1993-10-29 1995-05-16 Ntn Corp Corrosion resistant bearing
JP2000154825A (en) * 1998-11-19 2000-06-06 Koyo Seiko Co Ltd Rolling bearing
CN1993560A (en) * 2005-01-31 2007-07-04 日本精工株式会社 Thin-wall bearing
CN102239337A (en) * 2008-12-02 2011-11-09 Skf公司 Bearing unit
CN102226459A (en) * 2011-06-03 2011-10-26 江苏大学 Method for self-lubricating treatment of laser micro-texture of bearing
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JP2015094429A (en) * 2013-11-12 2015-05-18 中西金属工業株式会社 Fiber-reinforced resin cage
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CN203702847U (en) * 2013-12-27 2014-07-09 宁波达尔轴承有限公司 Galvanized nickel alloy motor bearing
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CN204985349U (en) * 2015-09-24 2016-01-20 浙江宁帆轴承有限公司 Tow bearing

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