Motovario NMRV Version Wormgearboxes,SMRV Square Worm Speed Reducer


Quick Details

Place of Origin:

Zhejiang, China

Brand Name:


Model Number:


Rated Power:


Gearing Arrangement:


Output Torque:


Input Speed:


Output Speed:



Blue,Silver or Customised

Reduction Ratio:


Body material:

Aluminium alloy & cast iron

Lubricant oil:

Synthetic & Mineral

Oil seals:


OEM & customised:



Available for shafts,flanges


One year,subject to proper operation & installation

Supply Ability

Supply Ability:
8000 Piece/Pieces per Month

Packaging & Delivery

Packaging Details
1 pc / carton,several cartons / wooden pallet
Lead Time
About 35 days

Online Customization

Motovario NMRVWormgearboxes aremarked as SMRVworm speed reducers,widely applied for work flow movement orconveyor belt,etc,for motor speed reduction,featured with compact mechanical structure, light weight, and smooth operation.


  • Wide transmission rate, strong output torque
  • Structure: base-mounted, input shaft, input flange, additional single or double output shafts
  • Compact mechanical structure, light weight, small volume
  • Good temperature change resistance
  • Smooth operation with lower noise or vibration
  • Easy mounting, free linking, high efficiency
  • Widerange of application


  • Widely used in material handing, automation, machine tool, aerospace, food, packing, pharamceutical, printing industry that require to lower the speed driven by motors or other engines.
Model RV025 030 040 050 063 075 090 110 130 150
Single unit versions

NMRV – fitted for motor flanged coupling,

NRV – with input shaft,

NMRV-Emotorflanged coupling with worm extension shaft,

NRV-E with double extension worm shaft,

Power 0.06—-15KW
Single unit reduction ratio 1:5 7.5 10 15 20 25 30 40 50 60 80 100
Output torque 2.6—1195N.M
Worm shaft 20CrMnTi with carburizing and quenching.The hardness of surface is 56-62HRC with carbonized layer 0.5-0.8mm
Worm wheel worm mandrel is HT250,and wormring gear,ZQSn10-1

ISO 9001:2008 certificate,

Output flanges and mounted positions,

Torque arm mounted position,

Output shaft position,( single & double ),

Our enquipment and device for maching

Package for container loading,one pc / carton,several cartons / wooden pallet,

Samples: samples are charged,but it will be refundable by means of deduction from the payment of the orders later.

Methods of delivery: by sea or by air,DHL or Fedex,etc (Up to request);

Warranty: one year from the date in the B/L,on proper operation conditions.

Customising available for flanges,shafts;

We are always ready to serve you well for the market demandsand your goodexpansion.Please feel free to contact me by email or by cell no.hangzhou ever-power transmission co. ever-power is specialist in pto gearbox. is specialist in pto gearbox-133 6702 6881 for more details,thanks!