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  • July 21, 2026

NMRV75 Worm Gear Reducer | Full Specs, Low Noise, Fast Delivery



Buy high-quality NMRV75 aluminum worm gear reducer, 1.5-3kW power, 7.5-100 ratio, full installation dimensions, low noise, no oil leakage, fast global delivery.

  1.Core technical parameters of NMRV75 turbine reducer

Item Standard Value
Center Distance 75mm
Rated Power Range 0.06kW~7.5kW
Standard Ratio Range7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
Max Input Speed ≤1500r/min
Output Speed Range 14~187r/min
Noise Level ≤48dB
Housing Material Die-cast aluminum alloy
Allowable Max Torque 480N·m
Net Weight 8~9kg

2.Appearance and installation dimensions of NMRV75 reducer

Dimension Item Standard Value

Total Length A

~200mm
Total Width B ~160mm
Total Height C ~175mm
Center Height H 100mm
Mounting Hole Spacing130×110mm
Output Shaft Diameter d 30mm
Input Flange110B5 (fits standard B5/B14 motors)

3. Operation & Maintenance Guide

Recommended lubricant: ISO VG320 synthetic extreme pressure gear oil, standard oil filling volume 0.45L

First oil change after 500 hours of initial operation, subsequent oil change cycle ≤6000 hours

Applicable ambient temperature: -5℃~+40℃, maximum allowable operating oil temperature ≤85℃

Supports full-orientation mounting (foot, flange, vertical, side mounting)

4.Ratio-Matched Torque & Speed Table (for 1400rpm 4-pole motor)

Ratio Output Speed (rpm)Rated Allowable Torque (N·m)
7.5 187150
10
140180
15
93240
20
70280
25
56320
30
47360
40
35400
5028420
60
23440

8017.5
460
10014480

For custom non-standard versions, mounting brackets or motor matching solutions, contact our technical team for free professional support.


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