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石油轴承：
N0000型和NU0000型圆柱滚子轴承，此类轴承可承受较大的径向负荷，极限转速高不限制轴和外壳的轴向位移，不承受轴向位移。
NJ0000.NF0000型圆柱滚子轴承可限制轴或外壳的一个方向位移，并能承受一定量的轴向载荷。
主要型号及规格尺寸
| 石油机械专用轴承(非标) | ||||||
| 轴承型号 | 外形尺寸(mm) | 单重 | ||||
| 新代号 | 旧代号 | d | D | B | C | (Kg) |
| NU4036X2M/C4 | 4G32836H | 180 | 280 | 83 | 20.3 | |
| 23148CA/C3W33 | 3003748HUY | 240 | 400 | 128 | 65 | |
| 928/508QU | 508 | 622.3 | 95.25 | 67 | ||
| 5G254735Q | 177.8 | 244.475 | 161.925 | 23.1 | ||
| NU3045X3M/C4 | 4G32840H | 200 | 320 | 89 | 28.4 | |
| 24056CA/C3W33 | 3G4053156H | 280 | 420 | 140 | 69.1 | |
| 929/558.8QU | 558.8 | 685.8 | 100 | 83 | ||
| 5G254936Q | 177.8 | 257.175 | 196.85 | 34.6 | ||
| NU3044X3M/C4 | 4G32844H | 220 | 350 | 98 | 38.4 | |
| 24060CA/W33 | 300 | 460 | 160 | 97.6 | ||
| 928/660.4QU | 660.4 | 812.8 | 107.95 | 129 | ||
| 254941QU | 206.375 | 285.75 | 222.25 | 44.9 | ||
| 23160CA/C3W33 | 300 | 500 | 160 | 134 | ||
| 929/660.4QU | 660.4 | 863.6 | 107.95 | 178 | ||
| NUP2992 | 2092992 | 460 | 620 | 95 | 89.6 | |
| NU2312M | 32612H | 60 | 130 | 46 | 3.25 | |
| NU2322M/C3 | 32622H | 110 | 240 | 80 | 19.5 | |
| 22240CA/C9W33 | 53540 | 200 | 360 | 98 | 45 | |
| NUP29/530 | 20929/500U | 530 | 710 | 106 | 129.6 | |
| NU2314M | 32614 | 70 | 150 | 51 | 4.75 | |
| NU2324M/C3 | 32624 | 120 | 260 | 86 | 23.7 | |
| NU2326M/C3 | 130 | 280 | 93 | 30.2 | ||
| 22248CA/C9W33 | 53548 | 240 | 440 | 120 | 81.1 | |
| NUP19/630 | 10929/630QU | 630 | 850 | 110 | 176.8 | |
| NU2320M | 32620 | 100 | 215 | 73 | 13.5 | |
| NU2336M/C3 | 32636H | 180 | 380 | 126 | 73.9 | |
| 23156CA/C9W33 | 3003756UY | 280 | 460 | 146 | 101.9 | |
| NUP19/710 | 710 | 950 | 106 | 220 | ||
| NU2344M/C3 | 220 | 460 | 145 | 120 | ||
| 5G354920Q | 101.6 | 171.45 | 133.35 | 12.8 | ||
| NU2960M | 300 | 420 | 72 | 326.5 | 35.3 | |
| NU1968X1M/YA2 | 340 | 440 | 56 | 366 | 23.3 | |
| 92984QU | 419.1 | 558.8 | 76.2 | 54 | ||
| NU3228X2M/C4 | 4G32828H | 140 | 250 | 82.55 | 169 | 18.9 |
| NU2340ME/C3 | 95.7 | |||||
| NU1080M | 94.45 | |||||
