Motovario NMRV150 40:1 Worm Gearbox – 50mm Output Bore

This NMRV150 40:1 worm gearbox is a genuine Motovario right-angle speed reducer built for applications needing lower output speed with stronger torque multiplication. With a cast iron housing, hollow bore output and flexible IEC motor input options, it delivers dependable speed reduction for industrial machinery and OEM builds.

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Gearbox Overview

This NMRV150 gearbox combines a heavy-duty frame size with a 40:1 reduction stage, making it suitable for mixers, process machinery, materials handling equipment, heavier-duty industrial systems. It is typically chosen where slower shaft speed and stronger drive force are required, especially where installation space is limited and a right-angle drive is preferred.

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Why Choose This Configuration?

Choose this version when you need the mechanical fit of a NMRV150 unit together with a 40:1 reduction and 50mm bore size. It is intended for applications where slower shaft speed and stronger drive force are required, without moving into a different gearbox size unnecessarily.

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Technical Details

Gearbox size: NMRV150
Gear ratio: 40:1
Output bore: 50mm hollow bore
Gearbox type: Worm gear reducer
Housing: Grey cast iron housing
Finish: RAL 5010 blue epoxy-polyester coating
Lubrication: Supplied with synthetic ENI TELIUM VSF oil for life
Mounting positions: B3, B6, B7, B8, V5, V6
Recommended position: B3
Motor input options: 100-112B5 | 132B5 | 160B5
Typical applications: mixers, process machinery, materials handling equipment, heavier-duty industrial systems

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Internal Links & Compatible Options

Same gearbox size, nearby ratios: jump to the NMRV150 ratio that best suits your output speed and torque requirements.

Need a different gearbox size? explore nearby Motovario worm gearbox sizes available in 40:1.

More Motovario worm gearboxes: Browse all NMRV150 gearboxes Browse all worm gearboxes

Helpful calculators:
Gearbox Ratio & Speed Calculator |
Output Torque Calculator

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Frequently Asked Questions

What does a 40:1 worm gearbox do?

A 40:1 worm gearbox reduces motor speed and multiplies torque, giving slower and more controlled output for industrial machinery.

What is this NMRV150 gearbox commonly used for?

This gearbox is commonly used on mixers, process machinery, materials handling equipment, heavier-duty industrial systems, where compact right-angle transmission and dependable continuous-duty operation are important.

What mounting positions are available?

Motovario lists B3, B6, B7, B8, V5 and V6 mounting positions for these NMRV/NRV units, with B3 technically preferred for lower oil splash, better lubrication and less heating.

What lubricant is supplied as standard?

These units are supplied with synthetic ENI TELIUM VSF lubricant for life under standard conditions.

What material is the housing made from?

Sizes up to 110 use die-cast aluminium alloy housings, while sizes 130 and 150 use grey cast iron housings.