Products
Gearboxes
Helical, bevel-helical and planetary gearboxes up to 400 kNm, matched to the motor and the load and tested as one unit.
Overview
A gearbox is only as good as its match to the load. Our engineers size every unit against your real duty: starts per hour, shock loads, ambient temperature and how long it has to run between oil changes. Service factors are shown on the quote, not hidden in a catalogue.
The NG range covers parallel-shaft helical units for conveyors and mixers, bevel-helical units where space is tight, and planetary units for the highest torque in the smallest frame, such as crushers, cranes and wind turbine yaw drives.
When we supply the motor and gearbox together, they’re aligned, coupled and run on our test bay as one drive. You receive a single data sheet and a single warranty.
Key figures
- Maximum output torque
- 400 kNm
- Planetary units, four stages
- Efficiency per stage
- 98.5%
- Ground helical gearing
- Highest ratio
- 4,000:1
- From 5:1
- Bearing life
- 100,000 h
- Standard L10h design target
Specifications
Standard ranges. Special shafts, housings and lubrication are designed to order.
| NG Helical | NG Bevel-helical | NG Planetary | |
|---|---|---|---|
| Output torque | Up to 160 kNm | Up to 120 kNm | Up to 400 kNm |
| Ratios | 5:1 to 400:1 | 8:1 to 500:1 | 20:1 to 4,000:1 |
| Shaft arrangement | Parallel | Right angle | Inline |
| Housing | Cast iron | Cast iron | Cast iron or fabricated steel |
| Mounting | Foot, flange or shaft | Foot, flange or shaft | Flange or torque arm |
| Lubrication | Splash, forced option | Splash, forced option | Forced with oil cooler |
| Condition sensors | Option | Option | Standard |
| Lead time | 4–8 weeks | 4–8 weeks | 10–16 weeks |
Ratings to ISO 6336 with the service factor agreed for your application.
Request a quote
Documents on request
Every document is issued by an application engineer for your exact motor, so it’s sent on request rather than downloaded. Ask in your quote request or email sales@norvikdrives.ae and you’ll have it within one working day.
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Selection report
Torque, service factor, thermal rating and bearing life for your duty.
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Dimension drawing
General arrangement, shaft and fixing details, as PDF, DXF or a STEP model.
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Lubrication schedule
Oil grade, quantity and change intervals for your operating temperature.
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Installation and maintenance manual
Lifting, alignment, first fill, running-in and inspection.
Questions about gearboxes
Can you replace a gearbox from another maker?
Yes. Send us the nameplate, a photo and the shaft and fixing dimensions. We design a drop-in unit with the same footprint, often with a higher rating.
How often does the oil need changing?
Typically every 10,000 operating hours with mineral oil or 20,000 with synthetic, depending on temperature. The lubrication schedule we send with your quote gives the exact interval.
Do you repair gearboxes?
Yes, ours and other makes, at all seven service centres. See service and repair.
Send us the duty
Power, speed, voltage and the load it drives. An application engineer replies within one working day with a selection and a price.