NMRV Gear Box Manufacturer in Ahmedabad, India
NMRV Gear Box from Super Mech Industries is made in Ahmedabad, India in 10 catalogue sizes, NMRV 30 to NMRV 185.
The NMRV Gear Box is a type of worm gearbox designed for compact power transmission systems. Its aluminium alloy body ensures durability and resistance to corrosion, while the worm-and-wheel mechanism delivers high reduction ratios with excellent torque output. It operates quietly and efficiently, making it suitable for space-constrained and low-noise applications. Its modular construction allows for flexible mounting orientations and compatibility with motors and other gear units.
Key Features
- High torque density in compact size
- Quiet operation with minimal vibration
- Aluminium alloy housing for corrosion resistance
- Modular design with multiple mounting options
- Maintenance-free with long service life
Specifications
- Gear Ratios: 7.5:1 to 100:1
- Power Range: 0.06 kW to 15 kW
- Torque Range: Up to 1,550 Nm
- Mounting: Foot, flange, and universal mounting options
- Material: Aluminium alloy housing with bronze worm gear
- Lubrication: Filled for life (synthetic oil)
Applications
- Conveyors and material handling systems
- Packaging machinery
- Textile and printing machines
- Food processing equipment
- Automated systems and robotics
NMRV worm gearbox — housing and shaft dimensions
Sizes NMRV 30 to NMRV 185. All dimensions in mm; D is the hollow output bore (H7), N the input flange spigot (H8).
| Size | A (mm) | C (mm) | D (H7) (mm) | E (mm) | F (mm) | G (mm) | H (mm) | I (mm) | L (mm) | M (mm) | N (H8) (mm) | O (mm) | P (mm) | Q (mm) | R (mm) | S (mm) | T (mm) | V (mm) | K (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NMRV 30 | 54 | 80 | 14 | 97 | 32 | 54 | 40 | 30 | 56 | 64 | 54 | 6.5 | 75 | 44 | 57 | 5.5 | 20 | 27 | 44 |
| NMRV 40 | 70 | 101 | 18 | 121.5 | 43 | 62 | 50 | 40 | 71 | 75 | 60 | 6.5 | 87 | 55 | 71.5 | 6.5 | 23 | 35 | 60 |
| NMRV 50 | 80 | 121.5 | 25 | 144 | 49 | 90 | 60 | 50 | 85 | 85 | 70 | 8.5 | 100 | 64 | 85 | 7 | 30 | 40 | 70 |
| NMRV 63 | 100 | 147.5 | 25 | 174 | 67 | 106 | 72 | 63 | 103 | 95 | 80 | 8.5 | 110 | 80 | 102 | 8 | 40 | 50 | 85 |
| NMRV 75 | 120 | 174 | 28 | 205 | 72 | 121 | 86 | 75 | 113 | 115 | 95 | 11 | 140 | 93 | 119 | 10 | 50 | 60 | 90 |
| NMRV 90 | 140 | 208 | 35 | 238 | 72 | 138 | 103 | 90 | 130 | 130 | 110 | 13 | 160 | 102 | 135 | 11 | 50 | 70 | 100 |
| NMRV 110 | 170 | 252.5 | 42 | 295 | — | 159 | 127.5 | 110 | 142 | 165 | 130 | 14 | 200 | 125 | 166.5 | 15 | 60 | 85 | 115 |
| NMRV 130 | 200 | 292.5 | 45 | 335 | — | 179 | 147.5 | 130 | 155 | 215 | 180 | 16 | 250 | 140 | 187.5 | 15 | 80 | 100 | 120 |
| NMRV 150 | 240 | 340 | 50 | 400 | — | 212 | 170 | 150 | 185 | 215 | 180 | 18 | 250 | 180 | 230 | 18 | 80 | 120 | 145 |
| NMRV 185 | 310 | 412 | 60 | 472 | — | 247 | 207 | 185 | 220 | 265 | 230 | 22 | 300 | 213 | 265 | 25 | 80 | 155 | 175 |
- Letters refer to the dimension drawing on the SMI spec sheet; the sheet also lists input-flange, output-shaft and double-worm combination dimensions.
Source: SMI spec sheet nmrv-gear-box.pdf.
Frequently Asked Questions
What is the NMRV Gear Box used for?
The NMRV Gear Box is used in conveyors and material handling systems, packaging machinery, textile and printing machines, food processing equipment. Compact, lightweight worm gearbox offering high torque transmission with low noise and maintenance.
What are the key specifications of the NMRV Gear Box?
Key specifications include Gear Ratios: 7.5:1 to 100:1; Power Range: 0.06 kW to 15 kW; Torque Range: Up to 1,550 Nm; Mounting: Foot, flange, and universal mounting options. Custom sizes are available on request.
Does Super Mech Industries offer custom NMRV Gear Box sizes?
Yes. SMI manufactures the NMRV Gear Box with custom bore, material, and design to your drawing, dispatched from our Odhav, Ahmedabad facility — standard sizes typically ship the same week.
Is the NMRV Gear Box from SMI ISO certified?
Yes. Super Mech Industries is ISO 9001:2015 certified (Certificate No. 09114716A) and holds government ZED certification, manufacturing the NMRV Gear Box in Ahmedabad, Gujarat, India, with exports to 29 countries.
What sizes of NMRV Gear Box does SMI manufacture?
SMI lists 10 sizes from NMRV 30 to NMRV 185. The full size chart with dimensions is on this page and on the spec sheet.
Super Mech Industries — Odhav, Ahmedabad, Gujarat 382415, India. Phone: +91 63510 70577. Email: smigvs@gmail.com. ISO 9001:2015 certified.