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Home Products Motovario Worm & Helical Worm Gearboxes
Worm & Helical Worm Gearboxes


Worm & Helical Worm Gearboxes

NMRV & NMRV Power Series. Up to 1550Nm / 18.5kW / 50mm Shaft.

Accept no substitutes… the Original Motovario NMRV and NMRV Power series of worm gearboxes offer superior torque performance and reliability. Available with compact helical input stages for helical worm reductions of up to 1000:1 or available as double worm gearbox combinations for up to 5000:1 reduction.



Available in 10 sizes, ranging from 11mm to 50mm Output Bore with a wealth of input and output mounting options. Constructed in either die cast aluminium alloy or G200 grey cast iron casing.


Up to 1550Nm output torque, 18,000N admissible radial loads, 18.5kW Motor Input. Loading capacity in accordance with ISO.14521, DIN.3996, BS 721, AGMA 6034, ISO 6336, DIN 3990, DIN 743, ISO 281.


Worm gearboxes available 5:1 to 100:1 ratio, Helical worm gearboxes 22,08:1 to 1083,33:1, Double Worm combinations 100:1 to 5000:1.


All Motovario worm gearboxes and geared motors are supplied with a two year manufacturer's warranty for peace of mind.

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Motovario Worm Brochure

Motovario Worm Brochure

1.46 MB

Motovario Worm Catalogue

Motovario Worm Catalogue

14.73 MB

Motovario Manual

Motovario Manual

10.14 MB

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