The 4000W NMRV worm gear speed reducer adopts driving worm with hard tooth surface which is precisely ground so that it can improve the efficiency of electric motor and realize larger output torque.
The worm gear speed reducer can be widely used for food packaging machinery, chemical equipment, wood working machine, crane, construction machinery, compressor, transport conveyor, dredger, engine and transverter, washing machine, metal rolling machine, draught fan etc.
| n2 (r/min) | i | M2n (Nm) | Fr2 (N) | fs |  |
 |
| Output speed | Speed ratio | Rated output torque | Output shaft radial load | Service factor | Gear reducer model | Electric motor model |
| 373.3 | 7.5 | 91 | 2210 | 1.4 | NMRV075 112B5/B14 | 112M2 |
| 280 | 10 | 120 | 2433 | 1.2 | ||
| 186.7 | 7.5 | 180 | 2785 | 1.0 | NMRV075 112B5/B14 | 112M4 |
| 140 | 10 | 237 | 3065 | 0.8 | ||
| 373.3 | 7.5 | 93 | 2446 | 2.3 | NMRV090 112B5/B14 | 112M2 |
| 280 | 10 | 123 | 2692 | 1.9 | ||
| 186.7 | 7.5 | 182 | 3081 | 1.6 | NMRV090 112B5 | 112M4 |
| 140 | 10 | 240 | 3391 | 1.3 | ||
| 93.3 | 15 | 348 | 3882 | 1.0 | ||
| 70 | 20 | 453 | 4273 | 0.8 | ||
| 140 | 10 | 240 | 4285 | 2.5 | NMRV110 112B5 | 112M4 |
| 93.3 | 15 | 352 | 4905 | 1.9 | ||
| 70 | 20 | 464 | 5399 | 1.4 | ||
| 56 | 25 | 566 | 5816 | 1.2 | ||
| 46.7 | 30 | 647 | 6181 | 1.1 | ||
| 120 | 7.5 | 280 | 4511 | 2.3 | NMRV110 132B5 | 132M1-6 |
| 90 | 10 | 369 | 4965 | 1.9 | ||
| 60 | 15 | 535 | 5684 | 1.4 | ||
| 56 | 25 | 573 | 7607 | 1.6 | NMRV130 112B5 | 112M4 |
| 46.7 | 30 | 655 | 8084 | 1.6 | ||
| 35 | 40 | 851 | 8897 | 1.2 | ||
| 28 | 50 | 1023 | 9584 | 1.0 | ||
| 23.3 | 60 | 1195 | 10185 | 0.8 | ||
| 120 | 7.5 | 283 | 5901 | 3.1 | NMRV130 132B5 | 132M1-6 |
| 90 | 10 | 369 | 6494 | 2.6 | ||
| 60 | 15 | 541 | 7434 | 2.0 | ||
| 45 | 20 | 705 | 8182 | 1.5 | ||
| 36 | 25 | 860 | 8814 | 1.2 | ||
| 28 | 50 | 1037 | 13103 | 1.4 | NMRV150 112B5 | 112M4 |
| 23.3 | 60 | 1195 | 13924 | 1.1 | ||
| 17.5 | 80 | 1484 | 15325 | 0.8 |
If you need the detailed model selection, outline dimension and connection dimension information of the speed reducer, you can find them below:
ZHOUYI is a professional 4000W NMRV worm gear speed reducer manufacturer and gearbox supplier since 1990, offer variable speed drive to match electric motors of different power. With manufacturing process in accordance to IEC standard, our company is committed to providing quality motor speed reducers with a variety of model selections and configurations, to meet specific needs for your industrial machine and equipment.
