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Heavy Duty Needle Roller Bearings (NKI,NKIS,NA49,NA48,NA69 series)

Heavy Duty Needle Roller Bearings (NKI,NKIS,NA49,NA48,NA69 series)

Heavy Duty Needle Roller Bearings With Inner Ring

NKI Needle Roller Bearings

NKIS Needle Roller Bearings

NA49 Needle Roller Bearings

NA48 Needle Roller Bearings

NA69 series Needle Roller Bearings

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Shaft diameter Bearing Designation Mass Approx Boundary Dimensions Basic Load Rating   Limiting Speed
Current Orignal Code d Fw D C Cr Dynamic Cor Static Oil
mm g mm N rpm
8 NKI8   46 8 14 25 16 12400 11300 21500
9 NKI9/12   14.6 9 12 19 12 6200 7002 21700
10 NKI10/16   27.3 10 14 22 16 9808 10500 19650
NA4900 4524900 21 10 14 22 13 8006 9000 23700
NA6900 6534900 38.4 10 14 22 22 8281 11612 23700
12 NA4901 4524901 25.1 12 16 24 13 5047 6352 20000
NKI12/20   39 12 16 24 20 14000 18400 21000
NA6901 6534901 44.5 12 16 24 22 11647 17052 20000
NKIS12   58 12 18 30 16 16000 17000 20000
15 NKI15/16   38 15 19 27 16 8847 12853 19100
NKI15/20   45.7 15 19 27 20 12347 19053 19100
NA4902 4524902 32 15 20 28 13 6447 9053 18800
NA6902 6534902 61.6 15 20 28 23 13100 20900 18800
NKIS15   90 15 22 35 20 23500 24000 17000
17 NKI17/16   41.4 17 21 29 16 13000 18200 20000
NA4903 4544903 32.8 17 22 30 13 7010 10010 17000
NA6903 6534903 68.2 17 22 30 23 14400 24900 17000
20 NKI20/16   48.5 20 24 32 16 10800 17000 16700
NA4904 4524904 70.2 20 25 37 17 11912 16594 16200
NKIS20   119 20 28 42 20 16500 35500 14000
22 NKI22/16   50 22 25 34 16 8721 15340 16200
NA49/22   76 22 28 39 17 12996 19175 14360
NA69/22   130 22 28 39 30 21375 35750 14360
25 NKI25/30   115 25 29 38 30 31500 56000 14000
NA4905 4524905 76 25 30 42 17 13452 20475 13832
NA6905 6534905 138 25 30 42 30 19300 31750 13832
NKIS25   160 25 32 47 22 32000 55000 12500
  F-208277   25 32 47 22      
NKI25/20     25 29 38 20      
28 NA49/28 45449/28 90.7 28 32 45 17 13900 20100 13832
NA69/28   170 28 32 45 30 22400 36850 13832
NKI28/20     28 32 42 20      
30 NKI30/20     30 35 45 20      
NKI30/30     30 35 45 30      
32 NKI32/20     32 37 47 20      
  TAFI324720   32 37 47 20      
NA49/32 45449/32 150 32 40 52 20 19000 32600 11134
NA69/32 66349/32 272 32 40 52 36 25500 68500 11134
35 NKI35/30   165 35 40 50 30 22200 51350 11134
NA4907 4524907 151 35 42 55 20 19800 41500 11134
NA6907 6534907 301 35 42 55 36 26000 60500 11134
NKIS35   210 35 43 58 22 33000 56000 9500