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Planetary - EX

High Quality Products

STM EX Serie – Planetary Gear Units

Powerful and reliable. STM planetary gear units are characterized by their high reliability, long service life and maintenance-free operation. The planetary drive train makes this gear unit the ideal choice for heavy-duty applications where high impact and shock are more the rule than the exception.

These powerful gear units are compact, shock-proof and meet today's high demands in every respect.

Planetary Gear Units: features & benefits

Compact and extremely powerful
High-end planetary gear unit in terms of quality and performance
The ideal choice for severe duty applications with frequent shock loadings and impacts
Long operating life without maintenance and wear-free
Highly versatile thanks to user-specific product configuration
Also available with ATEX certification

Extremely robust



User-specified configuration


Technical specifications & more info

Technical specifications

Ratio3,48:1 - 2.882,86:1
Output speed (rpm)0,5 - 402
Nominal torque (Nm)318 - 131.497
Max. torque (Nm)1.050 - 270.000
Protection classIP55
MaterialCast iron
LubricationSee catalogue
Lifetime (L10h)> 10.000
CertificatesCE, ATEX


IEC Motor sizeIEC63 - 225
Motor contruction typeB5
Mounting executionsFoot-mounted
Shaft configurationHollow shaft with shrink disc
Output shaft
Splined shaft
Splined hollow shaft
Output shaft diameter (mm)38 - 180
Coating / colorAccording to ISO 12944

Optional features

MIG encoder

IEC flange

Free input shaft

Reinforced output shaft bearing

Stainless steel shafts

Inquire availability

Repair & Maintenance

Is a current component or drive system in need of maintenance or repair? BEGE has extensive knowledge of a wide variety of drives and systems. We guarantee a rapid resumption of operational procedures.

Contact our support department

Your Reliable Partner in Drive Solutions

We make life easier for industrial enterprises by creating, optimizing and maintaining high-quality drives.