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NA69: Double Row Machined-Ring Needle Roller Bearing, heavy-duty needle roller bearings.
Needle roller bearings of the series NA69 are wider and heavier than needle roller bearings of the series NA49 and can thus support considerably higher radial loads. Needle roller bearings with an inner ring are used for applications where the shaft cannot be hardened and ground. The permissible axial displacement of the shaft relative to the housing is limited for bearings with an inner ring. If the permissible axial displacement provided by a standard inner ring is insufficient, it is possible to use an extended inner ring.
SERIES : NA6901, NA6901 2RS, NA6912, NA6912 2RS, NA69/22, NA69/22 2RS, NA69/32, NA69/32 2RS
Applications and industry: AGRICULTURE, AUTOMOTIVE, CEMENT INDUSTRY, CRUSHER INDUSTRY, HEAVY MACHINERY EQUIPMENTS, HOME APPLIANCES, MINING SECTOR, METAL INDUSTRY, FLUID MACHINERY, TEXTILE INDUSTRY
Bearing Number | Inner Diameter (d) MM | Outer Diameter (D) MM | C | fw | Basic Load Rating (N) Dyn. C | Basic Load Rating (N) Stat. C0 | Limiting Speed | Weight (KG) |
---|---|---|---|---|---|---|---|---|
NA6901 | 12 | 24 | 22 | 16 | 12300 | 16000 | 18400 | 0.046 |
NA6901 2RS | 12 | 23 | 24 | 16 | 12720 | 16640 | 9600 | 0.0455 |
NA6902 | 15 | 28 | 23 | 20 | 14100 | 20240 | 16000 | 0.064 |
NA6902 2RS | 15 | 24 | 28 | 20 | 15040 | 22080 | 7600 | 0.0625 |
NA6903 | 17 | 30 | 23 | 22 | 14560 | 21760 | 14400 | 0.069 |
NA6903 2RS | 17 | 24 | 30 | 22 | 16160 | 24960 | 6800 | 0.0685 |
NA6904 | 20 | 37 | 30 | 25 | 29200 | 40400 | 12800 | 0.141 |
NA6904 2RS | 20 | 31 | 37 | 25 | 26960 | 36320 | 6000 | 0.137 |
NA69/22 | 22 | 39 | 30 | 28 | 32000 | 46800 | 11200 | 0.154 |
NA69/22 2RS | 22 | 31 | 39 | 28 | 27600 | 42400 | 5600 | 0.153 |
NA6905 | 25 | 42 | 30 | 30 | 33200 | 50400 | 10400 | 0.162 |
NA6905 2RS | 25 | 31 | 42 | 30 | 32000 | 47840 | 5200 | 0.162 |
NA69/28 | 28 | 45 | 30 | 32 | 34400 | 53600 | 10400 | 0.179 |
NA69/28 2RS | 28 | 31 | 45 | 32 | 31760 | 48240 | 4800 | 0.177 |
NA6906 | 30 | 47 | 30 | 35 | 34000 | 54000 | 8800 | 0.185 |
NA6906 2RS | 30 | 31 | 47 | 35 | 32720 | 51440 | 4400 | 0.185 |
NA69/32 | 32 | 52 | 36 | 40 | 38000 | 65600 | 8000 | 0.286 |
NA69/32 2RS | 32 | 37 | 52 | 40 | 41040 | 72080 | 4000 | 0.3 |
NA6907 | 35 | 55 | 36 | 42 | 39200 | 69200 | 7600 | 0.31 |
NA6907 2RS | 35 | 37 | 55 | 42 | 42080 | 75520 | 3600 | 0.32 |
NA6908 | 40 | 62 | 40 | 48 | 53600 | 92800 | 6800 | 0.426 |
NA6908 2RS | 40 | 41 | 62 | 48 | 52000 | 95200 | 3200 | 0.44 |
NA6909 | 45 | 68 | 40 | 52 | 56400 | 101600 | 6000 | 0.437 |
NA6909 2RS | 45 | 41 | 68 | 52 | 54400 | 103200 | 2800 | 0.52 |
NA6910 | 50 | 72 | 40 | 58 | 59200 | 111200 | 5600 | 0.529 |
NA6910 2RS | 50 | 41 | 72 | 58 | 57760 | 116000 | 2800 | 0.53 |
NA6911 | 55 | 80 | 45 | 63 | 75200 | 146400 | 5200 | 0.726 |
NA6911 2RS | 55 | 46 | 80 | 63 | 72960 | 140000 | 2400 | 0.73 |
NA6912 | 60 | 85 | 45 | 68 | 76400 | 152800 | 4800 | 0.758 |
NA6912 2RS | 60 | 46 | 85 | 68 | 76240 | 151200 | 2400 | 0.785 |
NA6913 | 65 | 90 | 45 | 72 | 77600 | 158400 | 4400 | 0.779 |
NA6913 2RS | 65 | 46 | 90 | 72 | 79520 | 163200 | 2000 | 0.845 |
NA6914 | 70 | 100 | 54 | 80 | 104000 | 213600 | 4000 | 1.34 |
NA6914 2RS | 70 | 55 | 100 | 80 | 100800 | 229600 | 2000 | 1.4 |
NA6915 | 75 | 105 | 54 | 85 | 105600 | 221600 | 3760 | 1.45 |
NA6915 2RS | 75 | 55 | 105 | 85 | 104000 | 244000 | 1600 | 1.48 |
NA6916 | 80 | 110 | 54 | 90 | 109600 | 238400 | 3520 | 1.53 |
NA6916 2RS | 80 | 55 | 110 | 90 | 108000 | 258400 | 1600 | 1.57 |
NA6917 | 85 | 120 | 63 | 100 | 135200 | 320000 | 3200 | 2.25 |
NA6917 2RS | 85 | 64 | 120 | 100 | 136800 | 364800 | 1520 | 2.36 |
NA6918 | 90 | 125 | 63 | 105 | 140000 | 340000 | 3040 | 2.44 |
NA6918 2RS | 90 | 64 | 125 | 105 | 140800 | 384000 | 1440 | 2.48 |
NA6919 | 95 | 130 | 63 | 110 | 141600 | 352000 | 2880 | 2.63 |
NA6919 2RS | 95 | 64 | 130 | 110 | 144000 | 402400 | 1360 | 2.6 |