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Heavy Duty Needle Roller Bearing
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Heavy Duty Needle Roller Bearing

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Shaft diameter Bearing Designation Mass Approx Boundary Dimensions Basic Load Rating     Limiting Speed
Current Original Code Fw D C Cr Dynamic Cor Static Oil
mm g mm N rpm
5 NK5/10 TN   2.9 5 10 10 2100 1400 36780
8 NK8/12 TN   8.3 8 15 12 3050 3650 29112
10 NK10/12 TN 4624097K 10 10 17 12 4750 5350 23500
  5624097 16.6 10 17 15 4860 7100 23500
12 NK12/12 644097 11.8 12 19 12 6050 6400 21640
  5624098 15.4 12 19 15 6400 7100 21640
NK12/16   16.8 12 19 16 8200 9800 21640
14 NK14/16 4624900K 20.8 14 22 16 8260 9600 18322
NKS14   27 14 25 16 10400 10800 17652
RNA4900 4624900 24.4 14 22 13 8060 9000 18322
RNA6900 6634900 29.1 14 22 22 8281 11612 18322
15 NK15/12 644800K 18.5 15 23 12 8600 10070 21004
RNA152815   31.7 15 28 15 13600 17200 100231
  7948/15 16.1 15 22 12 8200 9800 8412
  644302 18.2 15 25 12 10600 13500 17144
16 NK16/16   20.8 16 24 16 9030 11900 15522
NK16/20 624701 23.9 16 24 20 10400 16800 15522
RNA4901 4624901 16.6 16 24 13 6400 8900 15522
RNA6901 6634901 28.7 16 24 22 14000 18600 15522
NKS16   30 16 28 16 14900 15000 20000
17 NK17/16 644903K 21.5 17 25 16 9000 13500 14163
18 NK18/20   30.5 18 26 20 10500 13800 13628
20 NK20/16 644802 25.7 20 28 16 11500 13400 12716
NK20/20 624802 29.3 20 28 20 12400 21800 12716
NK202616   20.8 20 26 16 9600 10800 9125
NK202620   17.2 20 26 20 10500 11900 9125
NKS20   46.8 20 32 20 20000 22000 18000
NK203312SX   29.1 20 33 12 13000 17500 11124
  6624101 24.3 20 28 25 11000 12900 12716
RNA4902 4624902 20.5 20 28 13 10800 12800 12716
RNA6902 6634902 35.4 20 28 23 13000 25000 12716
22 NK22/16 NK223016 29.2 22 30 16 13500 18000 11527
  NK223516 34.6 22 35 16 18600 20800 12711
NKS22   60.2 22 35 20 21500 25000 17000
RNA4903 4644903 20.7 22 30 13 12000 16800 16300
RNA6903 6634903 39.8 22 30 23 14000 19900 16300
  624703 53 22 35 25 24500 28000 14187
  634704L 42.5 22 30 30 17700 27000 16300
  644704 27.4 22 28 16 10500 15050 15172
  NK223516 49.4 22 35 16 18600 20800 16522
23   634704KA 37.5 23 30 30 18600 29000 15711
25 NK25/16 624904 30 25 33 16 12900 20400 15000
NK25/20 644804 38.4 25 33 20 16800 28500 15000
RNA4904 4644904 50.8 25 37 17 11912 16594 14060
RNA6904 6634904 97.7 25 37 30 26000 43000 14060
NKS25   65 25 38 20 25800 31000 16300
  624704 100.1 25 35 25 14900 22400 14060
  644804K 63 25 33 30 18800 20500 14060
26 NK26/16   30 26 34 16 15000 23000 16300
NK26/20   40 26 34 20 17000 30000 16300
28 RNA283833   99.8 28 38 33 33000 57000 12000
  F3833 99.8 28 38 33 33000 57000 12000
NKS28   80 28 42 20 25900 33500 14600
30 NK30/20 644805 57.9 30 40 20 20600 32000 12066
NK30/30   95 30 40 30 31500 50000 14500
RNA4905 4624905 57 30 42 17 13452 20475 12066
RNA6905 6634905 106.5 30 42 30 26300 31750 12066
  624905K 68 30 42 20 15400 24500 12066
32 NK32/20 624705 75.4 32 42 20 17500 33500 12066
RNA49/28 46449/32K 80 32 45 17 17400 30050 12000
NKS32   100 32 47 22 31000 40000 12100
RNA69/28   125 32 45 30 39500 61300 13100
  644906 42 32 38 11 10750 30500 12000
  644706 193 32 50 35 40500 63000 12000
35 NK35/20 644806 70 32 45 20 13851 26900 12000
RNA4906 4624906 62.8 35 47 17 17000 30500 12000
RNA6906 6634906 116 35 47 30 35000 67000 12000
  644907 161 35 51 32 43500 71000 11680
37   624706 154 37 52 22 28500 45500 9027
40 NK40/20   78.9 40 50 20 19600 43000 8881
NK40/30   120 40 50 30 22200 51350 8881
RNA69/32 66349/32 147 40 52 36 25500 68500 8881
42 NK42/20   83 42 52 20 23900 45000 10000
NK42/30   125 42 52 30 27000 49000 10000
RNA4907 4624907 99.3 42 55 20 19800 41500 8710
RNA6907 6634907 160 42 55 36 26000 60500 8710
  644708 148 42 65 22 31500 51000 8710
43 NK43/20   84 43 53 20 25700 75000 10000
NK43/30   126 43 53 30 39000 75000 10000
45 NK45/20 644808 81.5 45 55 20 19800 46500 7650
  624708 75.3 45 55 22 20500 49600 7650
  46449/38 80 45 58 20 21600 50500 7650
48 RNA4908 4644908 132 48 62 22 31036 63873 8120
RNA6908 6634908 238 48 62 40 64000 112000 8120
50 NK50/25   167 50 62 25 28000 67000 8140
NK50/35   236 50 62 35 32000 70100 8140
  624708K 328 50 65 34 40000 62000 8140
52 RNA4909 4624909 163 52 68 22 37000 69500 7625
RNA6909 6634909 308 52 68 40 61500 123500 7625
55 NK55/25   167 55 68 25 30600 60800 7625
  624709 210 55 68 25 36000 68000 7625
58 RNA4910 4644910 161 58 72 22 41000 72000 7500
RNA6909 6634910 296 58 72 40 68000 135000 7500
60 NK60/25   154 60 72 25 39000 86000 7000
63 RNA4911 4644911 241 63 80 25 50600 96580 6340
RNA6911 6634911 430 63 80 45 82560 172000 6340
68 RNA4912 4644912 257 68 85 25 52800 91050 6100
RNA6912 6634912 436 68 85 45 88500 186000 6100
72 RNA4913 4644913 300 72 90 25 57500 110500 6100
RNA6913 6634913 571 72 90 45 87600 194500 6100
80 RNA4914 4644914 400 80 100 30 79000 154000 5130
RNA6914 6634914 815 80 100 54 121000 263000 5130
85 RNA4915 4644915 472 85 105 30 82000 158000 5130
RNA6915 6634915 923 85 105 54 128000 272000 5130
90 RNA4916 4644916 496 90 110 30 81000 170500 4927
RNA6916 6634916 978 90 110 54 130500 280600 4927
96   SG-421 496 96 115 29 73000 137000 4600
100 RNA4917 4644917 608 100 120 35 98000 207000 4600
RNA6917 6634917 1112 100 120 63 161000 337000 4600
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Mr. Peter (General Manager)
Tel: 86-574-87126676
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Contact Method
Ningbo SUP Bearing Co., Ltd.
Lianfeng Road, Ningbo, Zhejiang, China (Mainland)
Fax: 86-574-87126621
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