Motovario NMRV150 25:1 Worm Gearbox – 50mm Output Bore

The Motovario NMRV150 25:1 worm gearbox is designed for compact, reliable right-angle power transmission where balanced output speed reduction with useful torque increase is required. This version features a 50mm hollow bore, robust sealing, and a cast iron housing suited to day-to-day industrial use.

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Gearbox Overview

The NMRV150 frame sits in Motovario’s heavy-duty worm gearbox range and is well suited to mixers, process machinery, materials handling equipment, heavier-duty industrial systems. In this 25:1 configuration it is normally selected where a practical compromise between output speed and torque is needed, while still keeping the simplicity and space-saving benefits of a compact 90° gearbox.

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Why Choose This Configuration?

This configuration is best suited to buyers who need a NMRV150 gearbox with a 50mm hollow bore and a 25:1 reduction stage. It gives balanced output speed reduction with useful torque increase, making it a strong option for conveyors, feeders, automation systems and general equipment drives.

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Technical Details

Gearbox size: NMRV150
Gear ratio: 25:1
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 25:1.

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 25:1 worm gearbox do?

A 25:1 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.