MRT130C-3N-0048-NNNN Bosch Rexroth Indramat
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The Bosch Rexroth Indramat MRT130C-3N-0048-NNNN is part of the MRT Synchronous IndraDyn T Motors series and serves as a rotor for a torque motor of the MBT series. This standard variant features a mechanical frame size of 130, an IP00 protection rating, and rotor fastening by screws. It supports a maximum coolant input pressure of 6 bar and a permissible coolant inlet temperature between 5 and 40 degrees Celsius.
Internal Product Review
The MRT130C-3N-0048-NNNN is a standard rotor for an MBT series torque motor in mechanical frame size 130. Screw fastening and 0.0018 kg·m² rotor inertia give the assembly a precise, well-balanced character, with rotor inertia standing out for responsive torque motor performance.
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Product Description:
The MRT130C-3N-0048-NNNN is manufactured by Bosch Rexroth Indramat for the MRT Synchronous IndraDyn T Motors series. It is supplied as the rotating element, specifically a rotor for an MBT-series torque motor, and it delivers direct-drive torque for positioning tables, printing cylinders, or rotary indexing modules in factory automation. When paired with a stator from the same family, this rotor helps generate high continuous torque at low speeds, eliminating gearboxes and reducing mechanical backlash in precision motion applications.
The rotor has a mechanical frame size of 130, which establishes its outside diameter and matches it to stators built on the same metric pitch circle. Cooling is liquid-based, and the coolant circuit must not exceed a maximum input pressure of 6 bar; remaining below this limit prevents seal deformation and maintains stable flow. The heat exchanger operates with coolant at a temperature of +5 to +40 °C, avoiding condensation while supporting efficient thermal transfer. Rotational responsiveness is influenced by the mass moment of inertia, which is 0.0018 kg·m², allowing drive controllers to calculate acceleration ramps accurately. Mechanical coupling to the machine shaft is secured with screws, simplifying removal without the need for specialized tools.
Continuous operation is permitted at ambient temperatures from 0 to +40 °C, ensuring that magnetic and adhesive materials remain within their allowable thermal range. During storage, the unit can withstand temperatures from -25 to +55 °C. Transportation is permitted at temperatures from -25 to +70 °C without degrading the laminated core. The rotor has a protection rating of IP00, so the surrounding housing must provide protection against contact and contamination. The installation must also include the coolant connections needed for liquid-based heat removal. Appropriate guarding is required because the open construction does not provide an enclosure around the rotating element.
