Bearings

Contact Supplier

Model No.: 6420

View DetailsQuick Brief: Type: Other Type, Brand Name: FAG, Bore Size: 10 - 3500 mm, Outside Diameter: 15 - 4500 mm, Model Number: 6420, Precision Rating: P4, Seals Type: 2RS, Place of Origin: Shanghai China (Mainland), bearing available: all kinds of bearing, ID: 100mm, OD: 250mm, B: 58mm, weight: 12.9kg, Cr: 223, Cor: 195, material: GCr15SiMn

Features: FAG bearing, 1)P0,P6,P5,P4,P2, 2)C1,C2,C3,C4,C5, 3)competitive price,fast delivery, 4)1)brass nylon 2)nylon 3)steel

Contact Supplier

Model No.: 6901

View DetailsQuick Brief: Structure: Deep Groove, Type: Ball, Brand Name: ZJDZ, Bore Size: 12 mm, Outside Diameter: 24 mm, Model Number: 6901, Precision Rating: ABEC1-5, Seals Type: ZZ&RS, Number of Row: Single Row, Place of Origin: Zhejiang China (Mainland), Material: Gcr15

Features: 6901 deep groove ball bearing, 1.good quality, 2.lou-noise, 3.competitive price, 4.compet delivery

Contact Supplier

Model No.: 1228K 1230K

View DetailsQuick Brief: Structure: Self-Aligning, Type: Ball, Brand Name: WQK, Bore Size: 3 - 1000 mm, Outside Diameter: 5 - 2500 mm, Model Number: 1228K 1230K, Precision Rating: P0,P5,P6, Seals Type: OPEN, Number of Row: Single Row, Place of Origin: Shandong China (Mainland), brand: WQK, certificate: ISO9001:2008, material: chrome and stainless steel, clearance: C2,C3,C4,C5, vibration: V1,V2,V3,V4, OEM: SAMPLES available, rich in STOCK: prompt delivery, high precision: long life, QUALITY bearings: low life

Features: WQK self-aligning ball bearings, brand : WQK, OEM service and samples available, Certification:ISO9001:2008

Contact Supplier

Model No.: 7016A

View DetailsQuick Brief: Structure: Angular Contact, Type: Ball, Brand Name: IKO, KOYO, NACHI, NTN, Bore Size: 20 - 1000 mm, Outside Diameter: 40 - 2000 mm, Model Number: 7016A, Precision Rating: p0 p5 p6, Seals Type: open,zz,2rs, Number of Row: Single Row, Place of Origin: Japan, Brand Name: NTN, Model Number: 7016A, Certifacation: ISO2000 QS9000

Features: Angular contact ball bearing(NTN), 1)Original, 2)High quanlity, 3)Competitive price, 4)All models

Contact Supplier

Model No.: HK3516

View DetailsQuick Brief: Structure: Other Structure, Type: Roller, Brand Name: DeINA, Bore Size: 35 mm, Outside Diameter: 42 mm, Model Number: HK3516, Precision Rating: P0, Seals Type: no seal, Number of Row: Single Row, Place of Origin: Tianjin China (Mainland), Thickness: 16mm

Features: Needle roller bearing, 1.a deep drawn thin walled outer ring, 2.open end, 3.low sectional height&high load capacity

Contact Supplier

Model No.: QJF1056M

View DetailsQuick Brief: Structure: Angular Contact, Type: Ball, Brand Name: FAG, HRB, IKO, INA, KOYO, LYC, NACH..., Bore Size: 280 mm, Outside Diameter: 420 mm, Model Number: QJF1056M, Precision Rating: P0 P4 P5 P6, Seals Type: No Seal, Number of Row: Single Row, Place of Origin: Jiangsu China (Mainland), Width: 65mm, Weight: 33.5 KG, Material: Bearing Steel, Certificate: ISO9001 2000, Model Brand: FAG, Product: FAG QJF1056M Ball Bearing, OEM Service: Supply, Noise Level: Z1, Z2, Z3, Vibration Level: V1, V2, V3, Radial Internal Clearance: C2, C0, C3

Features: FAG QJF1056M Angular-Contact Ball Bearing, 2.low price ,good quality, 3 low noise, 4,ISO2001 Standard

Contact Supplier

Model No.: 607

View DetailsQuick Brief: Structure: Deep Groove, Type: Ball, Brand Name: HKK, Bore Size: 7 mm, Outside Diameter: 19 mm, Model Number: 607, Precision Rating: Z2, Seals Type: ZZ, Number of Row: Single Row, Place of Origin: Zhejiang China (Mainland)

Features: 1. Brand: HKK & OEM, 2. Quality:High speed, Low noise and Long life, 3. Reasonable and Competitive price, 4. Samples available

Contact Supplier

Model No.: 30200 30300 32200 32300 32000

View DetailsQuick Brief: Structure: Taper, Type: Roller, Brand Name: HGN, Bore Size: 6 - 460 mm, Outside Diameter: 21 - 960 mm, Model Number: 30200 30300 32200 32300 32000, Precision Rating: PO P5 P4, Seals Type: Open, Number of Row: Double Row, Place of Origin: Shandong China (Mainland), Material: Carbon steel,bearing steel,stainless ..., Service: OEM, Speed: 3000-5000/minute

Features: Low noise, less vibration, high precision and long life

Contact Supplier

Model No.: 16028M

View DetailsQuick Brief: Structure: Deep Groove, Type: Ball, Brand Name: ASAHI, ASK, EASE, FAFNIR, FAG, FYH,..., Bore Size: 140 mm, Outside Diameter: 210 mm, Model Number: 16028M, Precision Rating: ABEC-3, Seals Type: 2RS, Number of Row: Single Row, Place of Origin: Liaoning China (Mainland), Featured category:: Deep Groove Ball Bearing, Bearing code:: 16028M, Material of ring:: GCr15(Chromium Steel), Material of cage:: Brass, Mass of Bearing:: 2.86KG, Limited Speed(Grease):: 3000r/min, Hardness:: HRC58-62, Basic Load Ratings:: 56000KN(Cr), Inner clearance:: C0, Accuracy:: ABEC-3

Features: 2012WBBC 16028M ball bearings:, 1)installed high precision balls, 2)Accuracy:ABEC-3, 3)stable quality, 4)deliver on time

Contact Supplier

Model No.: 605

View DetailsQuick Brief: Structure: Deep Groove, Type: Ball, Brand Name: SUT, Bore Size: 4 - 160 mm, Outside Diameter: 6 - 200 mm, Model Number: 605, Number of Row: Single Row, Place of Origin: Shanghai China (Mainland), Clearance: C2, C3, C4, C5, Cage: Steel,Brass,Nylon, Main market: Europe,America,East Asia, Sealing: open bearing, Z, ZZ, RS, 2RS, Tolerance: ABEC-1, ABEC-3, ABEC-5, ABEC-7

Features: 1.High temperature resistant, 2.Corrosion resistant, 3.Longer lasting, 4.ISO9001 certificate, 5.Plenty of stock

Contact Supplier

Model No.: 6000series

View DetailsQuick Brief: Structure: Deep Groove, Type: Ball, Brand Name: FAG, HRB, IKO, INA, KOYO, NSK, THK,..., Bore Size: 500 - 800 mm, Outside Diameter: 600 - 1000 mm, Model Number: 6000series, Precision Rating: P6,P4,P2, Seals Type: 2RS,ZZ,Z,RS, Number of Row: Single Row, Place of Origin: Japan, Brand: SKF,FAG,INA,TIMKEN,NSK,NTN,KOYO,NACHI,OE..., Material: Metal,Steel, Application: Automative and electritical machin..., Quality: Genuine,high quality, Price: Low price,discount according to quantity, Categories: roller bearing,ball bearing,etc, Delivery time: short delivery time, Package: delicatedly packed, Color: Metal, Feature: low noise,resonable price,delicatedly ...

Features: 1.INA bearing,ball bearing,roller bearing,etc, 2.competitive price,discount according to orders, 3.high performance,genuine

Contact Supplier

Model No.: NJ211ETN1

View DetailsQuick Brief: Structure: Cylindrical, Type: Roller, Brand Name: ETK, Bore Size: 55 mm, Outside Diameter: 100 mm, Model Number: NJ211ETN1, Precision Rating: P0P6, Seals Type: ZZ/2RS, Number of Row: Single Row, Place of Origin: Hebei China (Mainland), Material: Chrome, Cage: Copper

Features: cylindrical roller bearing:, 1-ISO9001 quality system, 2-prompt delivery, 3-competitive price, 4-material:Chrome Steel GCr15

Contact Supplier

Model No.: HFL0308

View DetailsQuick Brief: Type: Needle, Brand Name: UBT, Bore Size: 3 mm, Outside Diameter: 3.6 mm, Model Number: HFL0308, Place of Origin: Jiangsu China (Mainland)

Features: 1.Material:GCr15, 2.ISO9001:2000, 3.Manufacture price, 4.Short delivery time.

Contact Supplier

Model No.:

View DetailsQuick Brief: Structure: Cylindrical, Type: Roller, Brand Name: FAG, INA, Precision Rating: P6, Seals Type: Open, Number of Row: Double Row, Place of Origin: Japan, Quality standard: ISO 9001:2000, Clearance: C3

Features: Cylindrical Roller Bearing, 1.FAG INA Double row bearing, 2.a large stock, 3.good service, 4.GCr15, Gcr15SiMn

Contact Supplier

Model No.: 6000 series

View DetailsQuick Brief: Structure: Deep Groove, Type: Ball, Brand Name: DT,YIDING,NXIAY, Bore Size: 10 - 60 mm, Outside Diameter: 35 - 130 mm, Model Number: 6000 series, Precision Rating: ZV2,ZV3, Seals Type: open,sealed, Number of Row: Single Row, Place of Origin: Zhejiang China (Mainland), material: chrome steel GCR15, color: red, yellow,green, brand: DT, packing: single box

Features: chrome steel ISO 9001 roller bearing, 1.Mold available:OPEN Z ZZ RZ, 2.ABEC-1,3,5;Z2V2 Z3V3, 3.C2,C0,C3, 4.OEM Ser

Contact Supplier

Model No.: Sleing bearing

View DetailsQuick Brief: Type: Slewing Bearing, Brand Name: FAG, KOYO, NSK, SKF, TIMKEN, Bore Size: 200 - 4000 mm, Outside Diameter: 200 - 4000 mm, Model Number: Sleing bearing, Feature: Four Point Contact, Gear Options: Internal Gear Only, Place of Origin: Jiangsu China (Mainland), Model Number: Linner teeth, Brand Name: Xinda

Features: The balls contact with the circular race at four points,via which the axial force,radial force and resultant moment may be born

Contact Supplier

Model No.: 2218

View DetailsQuick Brief: Structure: Self-Aligning, Type: Ball, Brand Name: FAG, SKF, TRMT, Bore Size: 90 mm, Outside Diameter: 160 mm, Model Number: 2218, Seals Type: open, sealed and non-standard, Number of Row: Double Row, Place of Origin: Tianjin China (Mainland), Material: GCR 15, Thickness: 40 mm, Weight: 3.22 kgs, HS code: 8482101000, Brand: SKF, FAG, INA, TIMKEN, NSK, NTN, KOYO an..., Cage: steel, brass

Features: 1.Self-aligning Ball Bearings, 2.High precision and long life, 3.Popular type of bearings, 4.Prompt delivery, 5.OEM provided

Contact Supplier

Model No.:

View DetailsQuick Brief: Structure: Spherical, Type: Roller, Brand Name: FAG, FYH, HRB, IKO, INA, KOYO, LYC,..., Precision Rating: P0 P4 P5, Number of Row: Double Row, Place of Origin: Jiangsu China (Mainland)

Features: primary competitive advantages, Excellent and High quality, prompt delivery, competitive price, OEM accepted.

Contact Supplier

Model No.: 6000/6200/6300/6400

View DetailsQuick Brief: Structure: Deep Groove, Type: Ball, Brand Name: FAG, IKO, KOYO, LYC, NACHI, NSK, SK..., Bore Size: 6 - 140 mm, Outside Diameter: 19 - 250 mm, Model Number: 6000/6200/6300/6400, Precision Rating: Z1, Z2, Z3, ABEC-1, ABEC-3, A..., Seals Type: 2RS/ ZZ/ open, Number of Row: Single Row, Place of Origin: Hubei China (Mainland), Model Number: 61800/61900/16000/6000/6200/6300/..., Brand Name: UKS, SFZ,SKF

Features: NSK bearing, SKF bearing, FAG INA bearing, NTN IKO bearing

Contact Supplier

Model No.: Pillow block bearing UCP209

View DetailsQuick Brief: Type: Pillow Block, Bore Size: 1 - 1000 mm, Brand Name: ASK, FAG, HRB, KOYO, MAC, NSK, SKF,..., Model Number: Pillow block bearing UCP209, Place of Origin: Hebei China (Mainland), Material: chrome steel,GCR15

Features: Our bearing have high quality low noise & conpetitive price!, Type: UCP, UCF, UCT, series., Certificates: ISO 9001:2000

Contact Supplier

Model No.: 6300ZZ/2RS

View DetailsQuick Brief: Structure: Deep Groove, Type: Ball, Brand Name: JYB,CXJY,AVA, Bore Size: 10 mm, Outside Diameter: 35 mm, Model Number: 6300ZZ/2RS, Precision Rating: ABEC-3, Seals Type: ZZ/2RS, Number of Row: Single Row, Place of Origin: Zhejiang China (Mainland), Category: bearings, Material: GCr15 (Chrome Steel), Vibration: Z1V1, Z2V2, Z3V3, Limited Speed 9 (Oil): 16,000r/min, Limited Speed 9 (Grease): 20,000r/min, Ball Quantity: 7pcs, Load Rating (Cr): 7.65KN, Load Rating (Cor): 3.48KN

Features: 1)bearings:6000,6200,6300 series;, 2)ABEC-3,5;Z2V2,Z3V3;, 3)ISO 9001:2000&SGS;, 4)high speed&good handfeeling;, 5)C2,C0,C3

Contact Supplier

Model No.: NU234M

View DetailsQuick Brief: Structure: Cylindrical, Type: Roller, Bore Size: 170 mm, Outside Diameter: 310 mm, Model Number: NU234M, Precision Rating: P5/P6, Number of Row: Single Row, Place of Origin: Liaoning China (Mainland), Type: NU234M, Size: 170*310*52, Payment: L/C.T/T, Material: Bearing steel, Origin Place: Dalian Liaoning, Port: Dalian, Package: Carton box, Brand Name: TED, Certificates: IS9001-2000, Precisional level: P5.P6

Features: Cylindrical roller bearing always follows the corporate development tenet that "To be the best,intead of the Largest".

Contact Supplier

Model No.: NA4902

View DetailsQuick Brief: Type: Needle, Brand Name: IKO, Bore Size: 15 mm, Outside Diameter: 28 mm, Model Number: NA4902, Precision Rating: P0-P6, Seals Type: as you want, Number of Row: Single Row, Place of Origin: Japan, Delivery: prompt delivery, Package: delicated packed, Certification: ISO 9001:2000 ISO 9001:2008, Color: metal, Application: mechanical parts

Features: needle roller bearings, 1.high precision and high speed, 2.long life and low price, 3.good quality, 4.timely deilivery

Contact Supplier

Model No.: H244849D/H244810

View DetailsQuick Brief: Structure: Taper, Type: Roller, Brand Name: ZQZ, Bore Size: 219.075 mm, Outside Diameter: 358.775 mm, Model Number: H244849D/H244810, Precision Rating: P0,P6, Number of Row: Double Row, Place of Origin: Liaoning China (Mainland), Brand: ZQZ, Material: Gcr15,Gcr15SiMn,G20GrNiMo, Quality standard: ISO9001GB/T19001, ID: 100mm~1500mm, Width: 200.025mm, Weight: 77.80kg, Service: OEM accept

Features: 1.Material:Gcr15,Gcr15SiMn,G20GeNiMo., 2.Quality standard:ISO9001:2008., 3.Brand:ZQZ., 4.ID:100mm~1500mm, 5.Service:OEM accept.

Contact Supplier

Model No.: 938/932

View DetailsQuick Brief: Structure: Taper, Type: Roller, Brand Name: FAG, IKO, KOYO, LYC, NSK, SKF, Bore Size: 114.300 - 180 mm, Outside Diameter: 212.725 - 270 mm, Model Number: 938/932, Precision Rating: P0 P6/ABEC-1, Seals Type: open or as requested, Number of Row: Single Row, Place of Origin: Shandong China (Mainland), Material:: Chrome steel,Carburized bearing stee..., Certificate:: Quality System Certificate: ISO90..., Rotational Speed:: 1000-4000, Delivery Time:: 5-30 DAYS, Inspection by:: PPAP Document, Roller/Raceway:: Doing convexity, Supplying ability:: Great supplying ability

Features: JITOBearin1.tapered roller bearing, 2.Material:Gcr15, 3.high-end quality, 4.long life,competive price, 5.market:Mid East,Afr

Contact Supplier

Model No.: 23028

View DetailsQuick Brief: Structure: Other Structure, Type: Roller, Brand Name: NSK, Bore Size: 140 mm, Outside Diameter: 210 mm, Model Number: 23028, Precision Rating: P0/P5, Seals Type: open, Number of Row: Double Row, Place of Origin: Japan, Width: 53mm, Weight: 6.31kg/piece, Material: GCr15

Features: AUTO PARTS Spherical Roller Bearing 23028, 1.Material:GCr15, 2.dDB:140x210x53mm, 3.Seals:open, 4.Original or OEM

Contact Supplier

Model No.: NNCF48/500V

View DetailsQuick Brief: Type: Slewing Bearing, Brand Name: LDB, Bore Size: 500 mm, Outside Diameter: 620 mm, Model Number: NNCF48/500V, Place of Origin: Henan China (Mainland), Model Number: 239-500

Features: name: double-row spherical roller bearings, Model no.:NNCF48/500V, Size 500*620*118mm, We manufacture Spherical Roller Bearing

Contact Supplier

Model No.: GK...DO

View DetailsQuick Brief: Type: Rod End, Brand Name: SYX, Bore Size: 10 - 80 mm, Model Number: GK...DO, Place of Origin: Shanghai China (Mainland), CERTIFICATE: CE, ISO

Features: Hydraulic Rod End, CF...DO, GF...LO

Contact Supplier

Model No.: NJ2317

View DetailsQuick Brief: Structure: Cylindrical, Type: Roller, Brand Name: ASK, FAG, KOYO, LYC, MAC, NTN, SKF, Bore Size: 85 mm, Outside Diameter: 180 mm, Model Number: NJ2317, Precision Rating: ABEC-1,ABEC-3, Seals Type: OPEN, Place of Origin: Shandong China (Mainland), Material: Chrome or Carbon Steel, Certificate: ISO9001 and CE

Features: 1:Long life span, 2:Small Orders Accepted, 3:Quality Approvals, 4:Conform to ISO9001 and CE, 5:Prompt Delivery

Contact Supplier

Model No.: 250.14.0400.013Typ13/500

View DetailsQuick Brief: Type: Slewing Bearing, Brand Name: ASK, FAG, KOYO, NACHI, NSK, NTN, SK..., Bore Size: 50 - 4800 mm, Outside Diameter: 100 - 5000 mm, Model Number: 250.14.0400.013Typ13/500, Feature: Other, Gear Options: Nongeared, Seals Type: OPEN;Z;ZZ;RS;2RS, Place of Origin: Henan China (Mainland), ISO authoritation: ISO1999-2008, Metarial: 42CrMo;50Mn, Service: OEM Service, Tolerance: P0;P6;P5, I.D: 333mm, O.D: 501mm, H: 40mm, weight: 13.1kg

Features: 1.OEM Service, 2.ID:50-4800mm, 3.OD:100-5000mm, 4.Brand:ZLC-Bearing

Contact Supplier

Model No.: 6212

View DetailsQuick Brief: Structure: Deep Groove, Type: Ball, Brand Name: NSK, XRT, Bore Size: 60 mm, Outside Diameter: 110 mm, Model Number: 6212, Precision Rating: p4, Seals Type: 2RS, Number of Row: Single Row, Place of Origin: Sweden, Breadth: 22mm, Weight: 0.8kg, Material: Gcr15, Quality Standard: ISO9001:2000, Service: OEM service, Key words: bearing, Cage Material: steel,plastic, Delivery date: Normally ready goods and stock, Seal type: ZZ,RS

Features: bearing 6212, 1 low noise precission bearing, 2.profession design, 3.competitive price, 4.original quality

Contact Supplier

Model No.: 2315

View DetailsQuick Brief: Structure: Self-Aligning, Type: Ball, Brand Name: FAG, HRB, INA, KOYO, NSK, NTN, SKF,..., Bore Size: 10 - 150 mm, Outside Diameter: 15 - 200 mm, Model Number: 2315, Precision Rating: p4 p5 p0 p6 p2, Place of Origin: Tianjin China (Mainland), model number: 2315

Features: 1.bore diameter 10mm-150mm, 2,competitive price, 3,excellent quality, 4,Precision Level :P0 P2 P4 P5 P6

Contact Supplier

Model No.: WZB

View DetailsQuick Brief: Type: Sliding, Brand Name: WZB, Model Number: WZB, Place of Origin: Zhejiang China (Mainland), material: bronze and graphite

Features: bronze bushing, Base material: CuZn24AL6, applied in consistent cast machine, rolling machine

Contact Supplier

Model No.: 7301C

View DetailsQuick Brief: Structure: Angular Contact, Type: Ball, Brand Name: INA, KOYO, NACHI, NSK, NTN, TIMKEN, Bore Size: 10 - 280 mm, Outside Diameter: 20 - 320 mm, Model Number: 7301C, Precision Rating: P0,P5,P6, Seals Type: OPEN, Number of Row: Double Row, Place of Origin: Shandong China (Mainland), material: chrome steel,carbon steel, vibration: Z1,Z2,Z3, noise: V1,V2,V3, price: distributor price, promotion price, Quality System Certificate: ISO9001:2000, Hardness: HRC60-HRC65, Rotational Speed: 1000-4000, Cage: Brass,Steel

Features: 1.Very good qulity, 2. High load carrying capacity, 3.Reliable performance, 4.Widespread use and versat

Contact Supplier

Model No.: 239/1060CAF3W33

View DetailsQuick Brief: Structure: Spherical, Type: Roller, Brand Name: WZZW, Bore Size: 560 - 1600 mm, Outside Diameter: 820 - 1600 mm, Model Number: 239/1060CAF3W33, Precision Rating: P0 P6 P5 P4, Seals Type: plastic package then in wooden box, Number of Row: Single Row, Place of Origin: Liaoning China (Mainland), Brand:WZZW: OEM:accepted, place of origion:china: I.D:100mm~1600mm, Material:Gcr15,Gcr15SIMN: Quality Standard:ISO9..., Cage:Brass or Steel: Quality:long working life

Features: spherical roller bearings, 1.strong technology service support, 2.low frictional torque, 4.samples available before order

Contact Supplier

Model No.: NK28/20 NK28/30

View DetailsQuick Brief: Type: Needle, Brand Name: ASK, FAG, IKO, INA, KOYO, NACHI, NS..., Bore Size: 28 mm, Outside Diameter: 42 mm, Model Number: NK28/20 NK28/30, Precision Rating: P0,P6,P5,P2, Seals Type: open and sealed, Number of Row: Single Row, Place of Origin: Shandong China (Mainland), Material: steel/carbon steel/chrome steel, Keeper: nylon,PTFE,stainless steel

Features: 1.miniature wheel bearing/wheel bearing, 2.ISO9001:2000, 3.OEM is accepted, 4.KOYO/FAG/NSK/IKO/SKF, 5.Warranty:one year

Contact Supplier

Model No.: 22315

View DetailsQuick Brief: Structure: Spherical, Type: Roller, Brand Name: HRB, Bore Size: 75 mm, Outside Diameter: 160 mm, Model Number: 22315, Precision Rating: P0,P4,P5,P6, Seals Type: open, Number of Row: Single Row, Place of Origin: Zhejiang China (Mainland), cage material: steel plate

Features: self-aligning roller bearing, 1.Material: GCr15/GCr15SiMn, 2.Diameter: 80-2000mm, 3.Standard:ISO9001:2000, 4.Service:OEM

Contact Supplier

Model No.: 22217CC/C3W33

View DetailsQuick Brief: Structure: Spherical, Type: Roller, Brand Name: FAG, HRB, INA, KOYO, NSK, NTN, SKF,..., Bore Size: 10 - 1000 mm, Outside Diameter: 15 - 1500 mm, Model Number: 22217CC/C3W33, Precision Rating: P0 P2 P4 P6, Seals Type: Shield, Number of Row: Double Row, Place of Origin: Shandong China (Mainland), certification: ISO9001:2000, material: Chrome Steel, price: accroding to quantity, quality: best quality, service: best service, Models: 23000 series roller bearings, Advantages: Customer First

Features: 1,Customer First, 2,sincere cooperation, 3,Mutually beneficial, 4,Joint development, 5.high quality bearing