NMRV Series Worm Gear Reducer

Short Description:

NMRV and NMRV POWER worm gear reducers currently represent the most advanced solution to market requirements in terms of efficiency and flexibility. The new NMRV Power series, also available as compact integral helical/worm option, has been designed with a view to modularity: low number of basic models can be applied to a wide range of power ratings guaranteeing top performance and reduction ratios from 5 to 1000.

Certifications Available:ISO9001/CE

Warranty: Two years from date of delivery.

Product Detail

Product Tags


1. Quality aluminum alloy gear box, light weight and not rust
2. 2 optional worm wheel materials: Tin bronze or aluminum bronze alloy
3. Standard parts and very flexible for shaft configurations and motor flange interface
4. Several optional mounting options
5. Low noise, High efficiency in heat dissipationMain applied for:


1. Housing: Die-cast Aluminium Alloy Gearbox (RV025~RV090)Cast Iron Gearbox (RV110~RV150)
2. Worm Wheel: Wearable Tin Bronze Alloy, Aluminum Bronze Alloy
3. Worm Shaft: 20Cr Steel, carburizing, quenching, grinding, surface hardness 56-62HRC, 0.3-0.5mm remaining carburized layer after precise grinding
4. Input Configurations:
Equipped with Electric Motors (AC Motor, Brake Motor, DC Motor, Servo Motor)
IEC-normalized Motor Flange
Solid Shaft Input
Worm Shaft Tail Extension Input
5. Output Configurations:
Keyed Hollow Shaft Output
Hollow Shaft with Output Flange
Plug-in Solid Shaft Output
6. Spare Parts: Worm Shaft Tail Extension, Single Output Shaft, Double Output Shaft, Output Flange, Torque Arm, Dust Cover
7. Gearbox Painting:
Aluminium Alloy Gearbox:
After Shot Blasting, Anticorrosion Treatment and Phosphating, Paint with the Color of RAL 5010 Gentian Blue or RAL 7035 Light Grey
Cast Iron Gearbox:

Technical Data

Models Rated Power Rated Ratio Input Hole Dia. Input Shaft Dia. Output Hole Dia. Output Shaft Dia.
RV025 0.06KW~0.12KW 5~60 Φ9 Φ9 Φ11 Φ11
RV030 0.06KW~0.25KW 5~80 Φ9(Φ11) Φ9 Φ14 Φ14
RV040 0.09KW~0.55KW 5~100 Φ9(Φ11,Φ14) Φ11 Φ18(Φ19) Φ18
RV050 0.12KW~1.5KW 5~100 Φ11(Φ14,Φ19) Φ14 Φ25(Φ24) Φ25
RV063 0.18KW~2.2KW 7.5~100 Φ14(Φ19,Φ24) Φ19 Φ25(Φ28) Φ25
RV075 0.25KW~4.0KW 7.5~100 Φ14(Φ19,Φ24,Φ28) Φ24 Φ28(Φ35) Φ28
RV090 0.37KW~4.0KW 7.5~100 Φ19(Φ24,Φ28) Φ24 Φ35(Φ38) Φ35
RV110 0.55KW~7.5KW 7.5~100 Φ19(Φ24,Φ28,Φ38) Φ28 Φ42 Φ42
RV130 0.75KW~7.5KW 7.5~100 Φ24(Φ28,Φ38) Φ30 Φ45 Φ45
RV150 2.2KW~15KW 7.5~100 Φ28(Φ38,Φ42) Φ35 Φ50 Φ50

How to order

NMRV Series Worm Gear Reducer (7)

  • Previous:
  • Next:

  • Write your message here and send it to us

    Product categories