China Ningbo SUP bearing Co.,Ltd. established and developed on the basis of the Dalian SUPbearing factory from 2000. The company is specialized in designing and manufacturing various kinds of large-size bearings, inner ring, inner rings, slewing rings, ceramic bearings, automotive bearings, low noise deep groove ball bearing and non-standard bearing for motors, oil drillings, automobiles, water pump, power tools, large-size agricultural machines and mining machines etc. SUPbearing strictly implements the management of ISO9002 quality control system. We can take you higher quality products, inner ring, inner rings, competitive price and good service up to date.
                                      inner ring
                                      inner rings
                                      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
                                      105 RNA4918 4644918 713 105 125 35 98500 239000 4000
                                      RNA6918 6634918 1250 105 125 63 174000 38000 4000
                                      110 RNA4919 4644919 685 110 130 35 112000 245000 3870
                                      RNA6919 6634919 1325 110 130 63 196000 400000 3870
                                      115 RNA4920 4624920 1006 115 140 40 120000 264000 3710
                                      125 RNA4922 6634922 1200 125 150 40 12400 270000 3350
                                      135 RNA4924 4644924 1760 135 165 45 174000 386000 2920
                                      160 RNA4928 4644928 2350 160 190 50 200000 460000 2900
                                       

                                      bearing


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