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        1. 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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