CHG® standard cylindrical roller bearings according to the accuracy level can be divided P0, P6, P5, P4, P2. Product series includes:
Single row cylindrical roller bearings, NU seires , N series , NJ series and NUP type
High load cylindrical roller bearings, NCF series , NJF series and NUH type
Double row cylindrical roller bearings, NNU series, NN series and NNUP type
Four row cylindrical roller bearings FC, FCD type, FCDP Type
Single row full complement cylindrical roller bearings, NCF and NJG type
Double row full complement cylindrical roller bearings, NNCL, NNCF, NNC and NNF type
Multi-row full complement cylindrical roller bearings with four or eight rows of rollers.
Split cylindrical roller bearings
CHG® bearing has a high carrying capacity, was widely used in large and medium-sized motors, rolling stock equipment, machine tool spindle, internal combustion engine, generator, gas turbine, gear box, rolling mill machine, vibrating screen and lifting machinery etc.
| Boundary dimensions | Basic load ratings | Designations | Mass | Limiting speeds | ||||||||
| mm | kN | Current | Original | kg | r/min | |||||||
| d | D | B | Fw | Ew | rmin | Cr | Cor | Grease | Oil | |||
| 120 | 180 | 28 | 135 | - | 2 | 130 | 168 | NU 1024M | 32124H | 2.96 | 3400 | 4000 |
| 180 | 28 | 135 | - | 2 | 130 | 168 | NJ 1024 | 42124 | 3.09 | 3400 | 4000 | |
| 215 | 40 | - | 191.5 | 2.1 | 250 | 211 | N 224E | 2224H | 6.2 | 2400 | 3000 | |
| 215 | 40 | 143.5 | - | 2.1 | 322 | 422 | NU 224E | 32224H | 6.2 | 2400 | 3000 | |
| 215 | 40 | 143.5 | - | 2.1 | 322 | 422 | NJ 224E | 42224H | 6.2 | 2400 | 3000 | |
| 240 | 80 | 150 | - | 3 | 477 | 408 | NJ 624 | 42724 | 17.8 | 2400 | 3200 | |
| 260 | 86 | 154 | - | 3 | 632 | 868 | NU 2324E | 32624 | 23.8 | 1900 | 2400 | |
| 310 | 72 | - | 260 | 5 | 660 | 530 | N 424 | 2424 | 29 | 1900 | 2400 | |
| 310 | 72 | 170 | - | 5 | 642 | 772 | NU 424 | 32424 | 29.1 | 1900 | 2400 | |
| 310 | 72 | 170 | - | 5 | 642 | 772 | NJ 424 | 42424 | 29.1 | 1900 | 2400 | |
| 130 | 200 | 33 | 148 | - | 2 | 152 | 212 | NU 1026 | 32126 | 3.84 | 3200 | 3800 |
| 250 | 80 | 158 | - | 3 | 547 | 473 | NJ 626 | 42726 | 18.7 | 2200 | 3000 | |
| 280 | 58 | - | 243 | 4 | 515 | 410 | N 326E | 2326 | 17.8 | 1800 | 2200 | |
| 280 | 58 | 167 | - | 4 | 492 | 620 | NU 326E | 32326 | 17.9 | 1800 | 2200 | |
| 280 | 58 | 167 | - | 4 | 492 | 620 | NJ 326E | 42326 | 18.2 | 1800 | 2200 | |
| 280 | 93 | - | 243 | 4 | 770 | 685 | N 2326 | 2626 | 29 | 1800 | 2200 | |
| 280 | 93 | 167 | - | 4 | 748 | 1060 | NU 2326 | 32626 | 28.7 | 1800 | 2200 | |
| 280 | 93 | 167 | - | 4 | 748 | 1060 | NJ 2326 | 42626 | 29 | 1800 | 2200 | |
| 340 | 78 | 185 | - | 5 | 782 | 942 | NU 426 | 32426 | 41.5 | 1500 | 1900 | |
| 340 | 78 | 185 | - | 5 | 782 | 942 | NJ 426 | 42426 | 41.7 | 1500 | 1900 | |
| 140 | 190 | 24 | - | 178 | 1.5 | 126 | 190 | N1928 | - | 2 | 3200 | 3800 |
| 190 | 24 | 154 | - | 1.5 | 126 | 190 | NU1928 | - | 1.98 | 3200 | 3800 | |
| 210 | 33 | 158 | - | 1.1 | 190 | 270 | NU1028 | 32128 | 3.87 | 2400 | 3000 | |
| 250 | 68 | 169 | - | 3 | 500 | 730 | NU2228 | - | 14.7 | 2000 | 2600 | |
| 250 | 68 | 169 | - | 3 | 438 | 700 | NJ 2228 | 42528 | 17 | 2000 | 2600 | |
| 300 | 62 | - | 260 | 4 | 545 | 690 | NF 328 | 12328 | 21.8 | 1800 | 2200 | |
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