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Needle Roller Bearings without Ribs

NAO ϵ

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S ̖ ߴ ~d OD
Shaft Designation Mass Dimensions Basic Load Ratings Limiting
Diameter d F D E B r   Cr o  Cor Speed
Dynamic Static
mm g min. kN kN rpm
6 NAO 61710 14 6 10 17 13 10 0.3 4.8 5.5 28000
9 NAO 92212 24 9 12 22 18 12 0.3 10.0 9.9 21000
12 NAO 122413 30 12 16 24 20 13 0.3 8.9 11.8 18000
*NAO 122420 44 12 16 24 20 20 0.3 13.3 19.8 16000
NAO 122812 40 12 16 28 22 12 0.3 11.5 12.5 17000
15 NAO 152813 29 15 20 28 24 13 0.3 9.8 14.3 14000
NAO 153212 50 15 20 32 26 12 0.3 13.4 16.2 13000
17 NAO 173013 42 17 22 30 26 13 0.3 10.4 15.9 13000
NAO 173516 78 17 22 35 29 16 0.3 20.0 25.5 12000
20 NAO 203517 76 20 25 35 29 17 0.3 14.9 26.0 12000
NAO 203716 82 20 25 37 32 16 0.3 21.0 28.0 11000
25 NAO 254017 88 25 30 40 35 17 0.3 19.6 34.0 9500
NAO 254216 86 25 30 42 37 16 0.3 23.1 33.5 9000
*NAO 254232 190 25 30 42 37 32 0.3 39.5 67.0 9000
30 NAO 304513 77 30 35 45 40 13 0.3 16.2 28.0 8500
NAO 304517 102 30 35 45 40 17 0.3 20.8 38.5 8500
*NAO 304526 157 30 35 45 40 26 0.3 27.5 56.0 8500
NAO 304716 109 30 35 47 42 16 0.3 24.4 37.5 8000
NAO 304718 119 30 35 47 42 18 0.3 27.5 43.0 8000
NAO 305218 177 30 35 52 44 18 0.3 28.0 45.5 8000
35 NAO 355017 113 35 40 50 45 17 0.3 21.4 41.5 7500
NAO 355520 190 35 40 55 47 20 0.3 32.5 57.0 7500
40 NAO 405517 127 40 45 55 50 17 0.3 22.5 46.0 7000
NAO 406520 279 40 50 65 58 20 0.3 35.5 62.0 7000
50 NAO 506820 230 50 55 68 60 20 0.6 28.5 66.0 6000
NAO 507820 410 50 60 78 68 20 1.0 43.5 85.0 5000
70 NAO 7010030 850 70 80 100 88 30 1.0 71.0 176.0 3900
75 NAO 7510525 696 75 85 105 93 25 1.0 57.0 136.0 3800
80 NAO 8011030 920 80 90 110 98 30 1.0 68.0 172.0 3800
90 NAO 9012030 1044 90 100 120 108 30 1.0 71.0 188.0 3500
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2.֬rODٞДֵ60%
3.*pȦͲۺͿ
Note:
1.These load, speed and mass is reference of choice only.  
2.With grease lubrication, 60% of these limiting speed will apply.
3.* The inner ring is double-row, and a lubrication hole and  groove on the outer ring.
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