An NHJ motor is hard to disturb during operation. Shaft, rotor and bearing have been constructed for a higher inertia and a higher stiffness of the drive. And so NHJ motors are able to run smoothly even at lowest speeds. NHJ motors are available with a torque ranging from 2.8 to 65 Nm, and in five sizes, ranging from 96 to 190 mm.
Technical specifications servo motor NHJ series
| Motor type | Net weight kg | Stalled torque Nm | Max. speed rpm |
| NHJ96 C6 | 5,0 | 3,0 | 6000 |
| NHJ96 G6 | 7,2 | 5,5 | 6000 |
| NHJ116 C6 | 6,9 | 5,0 | 6000 |
| NHJ116 E6 | 8,6 | 7,2 | 6000 |
| NHJ116 J6 | 12,0 | 11,8 | 6000 |
| NHJ130 A8 | 6,1 | 2,8 | 4000 |
| NHJ130 C8 | 7,9 | 5,7 | 4000 |
| NHJ130 E8 | 9,7 | 8,4 | 4000 |
| NHJ130 G8 | 11,5 | 11,5 | 4000 |
| NHJ155 B8 | 15,0 | 13,5 | 5000 |
| NHJ155 D8 | 20,0 | 22,0 | 5000 |
| NHJ155 E8 | 23,0 | 25,0 | 5000 |
| NHJ155 G8 | 28,0 | 32,0 | 5000 |
| NHJ190 C8 | 29,0 | 27,0 | 5000 |
| NHJ190 D8 | 33,5 | 33,0 | 4000 |
| NHJ190 F8 | 42,5 | 45,0 | 4000 |
| NHJ190 K8 | 61,0 | 67,0 | 3900 |
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