Helical Geared Motor
- IR Series -
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Helical gear units
– IR Series –
Available in one or two stage of gears, the IR Series gearboxes provide optimal solutions for a large range of application. The unicase housing of the gearbox and the gears technology is offering a perfect balance between power and space optimization.

Input Options |
Helical gear unit |
Helical gear unit with ( IEC ) |
Helical gear unit with motor |
Helical gear unit with (PAM – IEC ) |
Type | Couple (max.) | Shaft Diameter |
IR 42-43 | 90 Nm | Ø 20 |
IR 52-53 | 190 Nm | Ø 25 |
IR 621-631-641 | 300 Nm | Ø 30 |
IR 62-63-64 | 400 Nm | Ø 35 |
IR 721-731-741 | 600 Nm | Ø 35 |
IR 72-73-74 | 850 Nm | Ø 40 |
IR 82-83-84 | 1440 Nm | Ø 50 |
IR 92-93-94 | 3000 Nm | Ø 60 |
IR 102-103-104 | 4300 Nm | Ø 70 |
IR 122-123-124 | 8000 Nm | Ø 90 |
İR 142-143-144 | 13000 Nm | Ø 110 |
IR 152-153-154 | 18000 Nm | Ø 120 |
Speed Range |
2,4 rpm 852 rpm |
PRODUCT ADVANTAGES
Compact modular mounting
Large range of mounting solutions
Adapted to a large range of sectors and applications
High ratios to reach low rotation speed
Support high radial load.
Applicable Motor Power |
0,12 kW 160 kW |

IRAM (Foot mounted, Motor)
IRFM (Flange Motor)
IRAFM (Foot mounted, flange and Motor)

IRAPM (IEC (PAM) / Foot mounted, Motor)
IRFPM (IEC (PAM) / Flange Motor)
IRAFPM (IEC (PAM) / Foot mounted, flange, motor)

IRA (Foot mounted)
IRF (Flange )
IRAF (Foot mounted, flange)

IRAP (IEC (PAM) / Foot mounted)
IRFP (IEC (PAM) / Flange without motor)
IRAFP (IEC (PAM) / Foot mounted, flange)
With an output torque reaching over 18,000 nm and several thousand possible configurations …