ȦLS

Needle Roller Bearings with Inner Ring

NA49 ϵ

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S ̖ ߴ ~d OD ԭ̖
Shaft Designation Mass Dimensions Basic Load Ratings Limiting Original
Diameter d F D B r   Cr o  Cor Speed Designation
Dynamic Static
mm g min. kN kN rpm
10 NA 4900 23.0 10 14 22 13 0.3 8.6 9.2 20000 4544900
12 NA 4901 26.0 12 16 24 13 0.3 9.6 10.9 17000 4544901
15 NA 4902 34.0 15 20 28 13 0.3 10.8 13.9 14000 4544902
17 NA 4903 37.0 17 22 30 13 0.3 11.6 15.4 12000 4544903
20 NA 4904 75.2 20 25 37 17 0.3 20.9 25.1 11000 4544904
22 NA 49/22 80.0 22 28 39 17 0.3 23.1 29.1 9500
25 NA 4905 88.0 25 30 42 17 0.3 23.5 30.7 9500 4544905
28 NA 49/28 97.7 28 32 45 17 0.3 24.8 33.2 8500
30 NA 4906 101.0 30 35 47 17 0.3 25.5 35.4 8000 4544906
32 NA 49/32 158.0 32 40 52 20 0.6 31.6 46.8 7000
35 NA 4907 170.0 35 42 55 20 0.6 32.5 51.0 7000 4544907
40 NA 4908 230.0 40 48 62 22 0.6 43.4 66.1 6000 4544908
45 NA 4909 271.0 45 52 68 22 0.6 45.8 72.9 5500 4544909
50 NA 4910 274.0 50 58 72 22 0.6 48.0 80.0 5000 4544910
55 NA 4911 393.0 55 63 80 25 1.0 63.5 110.1 4700 4544911
60 NA 4912 426.0 60 68 85 25 1.0 66.4 119.6 4300 4544912
65 NA 4913 456.0 65 72 90 25 1.0 67.6 124.6 4100 4544913
70 NA 4914 728.0 70 80 100 30 1.0 91.8 169.9 3800 4544914
75 NA 4915 775.0 75 85 105 30 1.0 95.8 183.3 3600 4544915
80 NA 4916 878.0 80 90 110 30 1.0 97.3 190.4 3400 4544916
85 NA 4917 1250.0 85 100 120 35 1.1 119.0 255.2 3100 4544917
90 NA 4918 1312.0 90 105 125 35 1.1 120.6 263.7 3000 4544918
95 NA 4919 1371.0 95 110 130 35 1.1 124.7 279.7 2800 4544919
100 NA 4920 1900.0 100 115 140 40 1.1 151.4 313.9 2900 4544920
110 NA 4922 2070.0 110 125 150 40 1.1 152.8 326.1 2600 4544922
120 NA 4924 2860.0 120 135 165 45 1.1 208.0 425.3 2300 4544924
130 NA 4926 3014.0 130 150 180 50 1.5 233.0 508.9 2000 4544926
140 NA 4928 2860.0 140 160 190 50 1.5 241.3 543.9 1700 4544928

 

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2.֬rODٞДֵ60%
Note:
1.These load, speed and mass is reference of choice only.  
2.With grease lubrication, 60% of these limiting speed will apply.



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