Motovario NMRV150 7.5:1 Worm Gearbox – 50mm Output Bore
Built for smooth and dependable mechanical speed reduction, this Motovario NMRV150 7.5:1 worm gearbox is ideal when you need higher output speed with moderate torque multiplication. Its 50mm output bore, modular IEC input arrangement and durable cast iron construction make it a practical choice for machinery builders and replacement projects.
Gearbox Overview
This NMRV150 gearbox combines a heavy-duty frame size with a 7.5:1 reduction stage, making it suitable for mixers, process machinery, materials handling equipment, heavier-duty industrial systems. It is typically chosen where faster shaft speed and lighter reduction are preferred, especially where installation space is limited and a right-angle drive is preferred.
Why Choose This Configuration?
Choose this version when you need the mechanical fit of a NMRV150 unit together with a 7.5:1 reduction and 50mm bore size. It is intended for applications where faster shaft speed and lighter reduction are preferred, without moving into a different gearbox size unnecessarily.
Technical Details
Gearbox size: NMRV150
Gear ratio: 7.5:1
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
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 7.5:1.
More Motovario worm gearboxes: Browse all NMRV150 gearboxes Browse all worm gearboxes
Helpful calculators:
Gearbox Ratio & Speed Calculator |
Output Torque Calculator
Frequently Asked Questions
What does a 7.5:1 worm gearbox do?
A 7.5:1 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.
