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  Heavy Duty Needle Roller Bearings Without Ribs Inquiry online or EmailtoUs: sales@wd-bearing.com


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Technical Parameters
冲压滚针轴承，冲压滚针轴承，hk bk 系列，带密封圈冲压滚针轴承，hk...rs,hr...2rs,bk...rs 系列，冲压满装滚针轴承，f,fh,mf,mfh,fy,mfy 系列，单向冲压滚针轴承，hf,hfl 系列滚针保持架组件，，向心滚针保持架组件，k,k...zw,k...d,k...z 系列，长圆柱滚针保持架组件，knl 系列连杆曲柄、活塞销用滚针保持架组件，，kzk 系列，kbk 系列重载荷滚针轴承，，不带内圈重载荷滚针轴承，nk,nks,rna49,rna69 系列，带内圈重载荷滚针轴承，nki,nkis,na49,na48,na69 系列，带密封圈带内圈重载荷滚针轴承，rna49...rs,rna49...2rs,na49...rs,na49...2rs 系列，带挡边重载荷滚针轴承　，rnao 系列，无挡边重载荷滚针轴承，nao 系列，调心重载荷滚针轴承，rpna,pna 系列，满装重载荷滚针轴承，rnav,nav 系列支承曲线滚轮，，无轴向引导支承滚轮，rsto,sto 系列，带密封圈无轴向引导支承滚轮，rna22...2rs,na22...2rs 系列，带轴向引导曲线滚轮，nutr,natv 系列，带螺栓曲线滚轮，kr,krv,nukr 系列内圈，，ir, lr 系列推力滚针保持架组件，，推力滚针保持架组件，a×k 系列，带定心套推力滚针保持架组件 ，a×w 系列，圆柱推力滚针保持架组件，k811,k812,k871,k894 系列汽车用滚针轴承
Shaft Diameter Bearing Designation Mass Approx Boundary Dimensions Basic Load Rating Limiting Speed
d D B F E Cr Dynamic Cor Static Oil
mm g mm N rpm
6 NAO6×17×10 TN 13 6 17 10 10 13 3950 5000 17080
9 NAO9×22×12 TN 22 9 22 12 12 18 8800 7900 12090
12 NAO12×24×13 29 12 24 13 16 20 8000 16000 15020
○ NAO12×24×20 43 12 24 20 16 20 10300 16800 20000
NAO12×28×12 38.6 12 28 12 16 22 9850 10500 19000
15 NAO15×28×13 27.8 15 28 13 20 24 7800 10300 20600
NAO15×32×12 48.1 15 32 12 20 26 10400 14020 20000
17 NAO17×30×13 39 17 30 13 22 26 9860 15000 20000
NAO17×35×16 70 17 35 16 22 29 16800 20050 10090
20 NAO20×35×17 72 20 35 17 25 29 12600 20200 16000
NAO20×37×16 81 20 37 16 25 32 10000 18000 12700
25 NAO25×40×17 78.9 25 40 17 30 35 10600 24000 10500
NAO25×42×16 83 25 42 16 30 37 13100 23500 10500
○ NAO25×42×32 189 25 42 32 30 37 26500 47000 10500
30 NAO30×45×13 73 30 45 13 35 40 11200 25000 11207
NAO30×45×17 100 30 45 17 35 40 12800 28500 11207
○ NAO30×45×26 150 30 45 26 35 40 17500 32900 11207
NAO30×47×16 99.8 30 47 16 35 42 14400 17500 11207
NAO30×47×18 109 30 47 18 35 42 20000 33000 11207
NAO30×52×18 172 30 52 18 37 44 18000 25500 10900
35 NAO35×50×17 103 35 50 17 40 45 20800 40506 10900
NAO35×55×20 175 35 55 20 40 47 28500 41000 10000
◇ NAO35×57×20.5 206 35 57 20.5 42 50 26000 49000 10000
40 NAO40×55×17 118 40 55 17 45 50 12500 36000 9000
NAO40×65×20 269 40 65 20 50 58 35000 61200 8000
50 NAO50×68×20 219 50 68 20 55 60 24500 62000 7500
NAO50×78×20 400 50 78 20 60 68 33500 65000 6500
70 NAO70×100×30 829 70 100 30 80 88 52600 129000 40000
75 NAO75×105×25 676 75 105 25 85 93 42000 106000 3900
80 NAO80×110×30 892 80 110 30 90 98 49020 112000 4200
90 NAO90×120×30 1004 90 120 30 100 108 51000 128000 3900
TN=plastic cage(working temperature:120oC continually:180oC shorty) "○ ":duble row " ◇ " the width of OR is 20mm
Limiting speed for grease:60% of  the one for oil


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Headquarter: 270,Zhongshan Road ,Wuxi ,P.R China,214002
Direct Line: +86-510-8279 1933
Fax: +86-510-8273 6388）
Email: sales@wd-bearing.com


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