– Size 6 with 4 input and 4 output configurations
– Maximum applicable power up to 200 kW
– Transmittable torque up to 25 000 Nm
– Reduction ratios from 3.5 to 5470
– 4 reduction stages
– Maximum input speed 3360 rpm
– Grey cast iron G25 housing
– Gears made of case-hardened, tempered and stress-relieved steel
– Output shafts made of tempered steel 42CrMo4
– Expansion vessels
Plain shaft with keyway / Male splined shaft / Female splined shaft / Shaft prepared for shrink disk
All NRG series planetary gearboxes have a nameplate with various information to identify the type:
Gear unit type
identification no.
gear ratio
serial code
If the gearbox is built to ATEX standards, the following information is added
Atex- field
File: Technical file no.
Mounting position
The table below shows the various mounting positions of the planetary gearboxes valid for all versions.
The position of the filler plugs is also shown:
White : filling
White/black : level
Black : filling
It is recommended to pay the utmost attention to the mounting position, as in some positions, lubrication of the bearings is not guaranteed, which could affect their service life.
If the mounting position is not specified, the gearbox will be supplied for position B3.