90W NMRV Worm Gear Speed Reducer

90W NMRV Worm Gear Speed Reducer

Product description

The 90W NMRV worm gear speed reducer has large transmission ratio, large torque, good overload tolerance and self-locking function. It is quite suitable for hoisting operations.

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.

Combination parameters

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 2.0 399 3.9 NMRV025 56B14 5612
280 10 2.6 439 3.4
186.7 15 3.8 503 2.4
140 20 4.9 553 1.8
93.3 30 67 633 1.3
70 40 8.5 697 1.1
56 50 10 751 0.9
186.7 7.5 3.9 503 2.8 NMRV025 56B14 5624
140 10 5.1 553 2.4
93.3 15 7.3 633 1.6
70 20 9.3 697 1.3
46.7 30 13 798 1.0
35 40 16 878 0.8
373.3 7.5 2.0 542 6.5 NMRV030 56B5/B14 5612
280 10 2.6 597 5.0
186.7 15 3.7 683 3.5
140 20 4.7 752 2.5
112 25 5.5 810 2.9
93.3 30 6.4 861 2.3
70 40 8.0 948 1.8
56 50 9.4 1021 1.4
46.7 60 10 1085 1.1
35 80 13 1194 0.9
186.7 7.5 3.9 683 4.7 NMRV030 56B5/B14 5624
140 10 5.0 752 3.6
93.3 15 7.0 861 2.6
70 20 8.8 948 2.0
56 25 10 1021 2.1
46.7 30 12 1085 17
35 40 14 1194 1.2
28 50 17 1286 1.0
23.3 60 18 1367 0.9
28 50 19 2475 2.1 NMRV040 56B5 5624
23.3 60 21 2630 1.7
17.5 80 25 2895 1.3
14 100 29 3118 1.0

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 90W NMRV worm gear speed reducer manufacturer and gearbox supplier since 1990, offer adjustable 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.

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