Needle Roller Bearing
| Name | Needle roller bearing NA4914 NA5914 NA6914 high precision high quality |
| Material | Chrome steel GCR15 |
| Cage material | Steel,brass |
| Clearance | C0,C2,C3,C4,C5 |
| Precision | P0,P6,P5,P4 |
| Greese | Lithium soap base grease or as coustomer's requirement |
| Application | Machine tool,oil,vibration screen,rolling mill handling machinery and machines in various industries. |
| Certifications | ISO9001:2008 quality management system |
Needle Roller Bearing Product Shows: 
Needle Roller Bearing Type Numbers:| Bearing designation | Bearing Designation | Basic load Ratings | Limiting speed |
| d | F | D | B | rs | C | Co | min |
| mm | N | |
| NA4900 | 10 | 14 | 22 | 13 | 0.3 | 8500 | 9200 | 25000 |
| NA4901 | 12 | 16 | 24 | 13 | 0.3 | 9400 | 10900 | 23000 |
| NA4902 | 15 | 20 | 28 | 13 | 0.3 | 10600 | 13600 | 21000 |
| NA4903 | 17 | 22 | 30 | 13 | 0.3 | 11000 | 14600 | 20000 |
| NA4904 | 20 | 25 | 37 | 17 | 0.3 | 21000 | 25500 | 17000 |
| NA49/22 | 22 | 28 | 39 | 17 | 0.3 | 22800 | 29500 | 15000 |
| NA4905 | 25 | 30 | 42 | 17 | 0.3 | 23600 | 31500 | 14000 |
| NA49/28 | 28 | 32 | 45 | 17 | 0.3 | 24400 | 33500 | 14000 |
| NA4906 | 30 | 35 | 47 | 17 | 0.3 | 25000 | 35500 | 13000 |
| NA4932 | 32 | 40 | 52 | 20 | 0.6 | 30500 | 47500 | 11000 |
| NA4907 | 35 | 42 | 55 | 20 | 0.6 | 31500 | 50000 | 11000 |
| NA4908 | 40 | 48 | 62 | 22 | 0.6 | 43000 | 67000 | 9000 |
| NA4909 | 45 | 52 | 68 | 22 | 0.6 | 45000 | 73000 | 8500 |
| NA4910 | 50 | 58 | 72 | 22 | 0.6 | 47000 | 80000 | 8000 |
| NA4911 | 55 | 63 | 80 | 25 | 1 | 58000 | 10000 | 7000 |
| NA4912 | 60 | 68 | 85 | 25 | 1 | 60000 | 108000 | 6500 |
| NA4913 | 65 | 72 | 90 | 25 | 1 | 61000 | 112000 | 6500 |
| NA4914 | 70 | 80 | 100 | 30 | 1 | 84000 | 156000 | 5500 |
| NA4915 | 75 | 85 | 105 | 30 | 1 | 86000 | 162000 | 5500 |
| NA4916 | 80 | 90 | 110 | 30 | 1 | 89000 | 174000 | 5000 |
| NA4917 | 85 | 100 | 120 | 35 | 1.1 | 111000 | 237000 | 4600 |
| NA4918 | 90 | 105 | 125 | 35 | 1.1 | 114000 | 250000 | 4400 |
| NA4919 | 95 | 110 | 130 | 35 | 1.1 | 116000 | 260000 | 4200 |
Other Types:Drawn cup needle
roller bearing | HK,BK,HK..2RS,MFY,SCE,BCE,BK..RS,F,HK..RS,MF,FY |
| Radial needle roller and cage assemblies | K,KZK,KNL,K..ZW,KBK |
|
| Needle roller bearings | NK,NKS,RNA49,RNA69,RNAO,NKI,NKIS,NA49,NA69,NAV,RNAV,RNA49..RS,RNA49..2RS |
| Inner ring | IR,LR |
| Yoke type track rollers | RSTO,RNA22..2RSX,NATV,STO,NA22..2RS,NATV..PP,STO..X,NA22..2RSX,NUTR,RNA22..2RS,NATR,NUTR.X |
| Curve rollers | KR,KRV,KRVE..PP,KR..PP,KRV..PP,NUKR,KRE.. PP,KRVE,NUKRE |
| Combined radial thrust bearings | NKIA,NKX,NKX..Z,NKIB,NKXR,NKXR..Z,NX,NX..Z |
| Axial bearings | AXK,AXW |
| One way clutch | HF,HFL |
Needle Roller Bearing Precision: | GB | 0 | 6 | 5 | 4 |
| ISO | 0 | 6 | 5 | 4 |
| DIN | P0 | P6 | P5 | P4 |
| JIS | 0 | 6 | 5 | 4 |
| ANSI | ABEC-1 | ABEC-3 | ABEC-5 | ABEC-7 |
Company Information
Guanxian Changming Bearing Co.,Ltd is a bearing manufacturer, and our factory is located in Liaocheng city in China, is a joint venture enterprise which specialized in supplying miniature bearings, Deep groove ball bearings, taper roller bearing,Thrust bearings, Self-aligning ball bearings, Cylindrical roller bearing, Needle roller bearings and other auto parts.
Our products sell well both in domestic and oversea markets for their competitive price. High quality of goods and services, complying with delivery dates, constant broadening of range of products, wish for long-term good businesses and, the most important, existence of the vision for stable growth and development.
Price of GXCM bearing is one of the lowest ones among high quality bearings of China. If you have any interests or questions on our products, please contact us freely at any time.
PRODUCTION FLOW
CONTACT US
Guanxian Changming Bearing Co., Ltd is a manufacturer and trader which is specialized in the research, development and production of bearing, auto spare parts, gardening products.
We have been devoting ourselves to production of deep groove ball bearing, tapered roller bearing, spherical roller bearing, cylindrical roller bearing, flange bearing, stamping bearing and all kinds of auto spare parts and gardening products for over 30 years, to make sure we are professional and competitive in this product. "GXCM" is our registered trademark. We own the most advanced full-automatic production equipment, experienced production group and strict quality control system. Besides, our factory also regards the products R&D and Teamwork as the most important thing in enterprise's survival and development.
As a professional manufacturer, we are always looking for the long term business partner to establish win-win success. We insist on developing particularly according to customer's need to make sure we supply them with suitable and satisfying products. We believe that supports, understanding, loyalty is the only way to lead us to win-win success.
We would like to establish business relationship with customers all over the world. We will try our best to fulfill successful cooperation between us.
