Gear Reduction and Technical Data:
The document provides detailed specifications for gear reduction systems, specifically focusing on worm gear drives with three-phase motors. The gear reduction ratio is specified as 75, with various torque and speed parameters outlined for different configurations.

Specifications:
- Maximum permissible torque ranges from 9.3 Nm to 23 Nm depending on the configuration.
- Gear rotation speeds are provided in revolutions per minute (rpm).
- Motor specifications include power ratings of 250 Watt, 180 Watt, and 120 Watt, with corresponding weights and current ratings at 400 V.

Construction Details:
- Motors and gears are supported by ball bearings.
- Worms are hardened and ground, while wormwheels are made from a special bronze alloy.

Mounting and Dimensions:
- Mounting dimensions, outline dimensions, and shaft dimensions are provided, with specific shaft diameters of 12 mm and 15 mm.
- The document emphasizes not to exceed the maximum permissible torque and notes that dimensions without tolerances are not binding.

Ordering Information:
- Customers are advised to specify terminal box position, shaft position, and shaft diameter when placing orders.

Contact Information:
- The document includes contact details for RUHRGETRIEBE KG, including address, phone, fax, and email.

Additional Information:
- An overview and technical specifications of further RGM geared motors are available upon request.