Detailed description
NU321E Cylindrical Roller Bearings With Line Bearing are mostly found in middle-sized and large-sized motors, electricity generators, internal combustion engines, gas turbines.
| Model | Boundary dimensions (mm) | Basic load ratings (KN) | Limiting speed (r/min) | Weight (KG) | separate thrust collar code | ||||||||
| d | D | B | B1 | Rsmin | R1smin | Fw(Ew) | dyc_Cr | stc_Cor | Old_spec | Designations | |||
| NU321E | 105 | 225 | 49 | 13 | 3 | 3 | 133 | 415 | 525 | 2200 | 2800 | 10.6 | HJ321E |
| NJ321E | 105 | 225 | 49 | 13 | 3 | 3 | 133 | 415 | 525 | 2200 | 2800 | 10.7 | HJ321E |
| N421 | 105 | 260 | 60 | - | 4 | 4 | 220.5 | 510 | 655 | 2200 | 2800 | 17.2 | - |
| NU421 | 105 | 260 | 60 | 16 | 4 | 4 | 144.5 | 510 | 655 | 2200 | 2800 | 18 | HJ421 |
| N1022 | 110 | 170 | 28 | - | 2 | 1.1 | 155 | 130 | 195 | 3800 | 4500 | 2.31 | - |
| NU1022 | 110 | 170 | 28 | - | 2 | 1.1 | 125 | 130 | 195 | 3800 | 4500 | 2.32 | - |












