MRT530R-3N-0410-NNNN Bosch Rexroth Indramat
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The Bosch Rexroth Indramat MRT530R-3N-0410-NNNN is a rotor for a torque motor, part of the MRT Synchronous IndraDyn T Motors series. It features a 410 mm internal rotor diameter and a mechanical frame size of 530. The rotor supports IP00 protection and allows a maximum coolant input pressure of 6 bar with coolant inlet temperatures from 5 to 40 °C.
Internal Product Review
The MRT530R-3N-0410-NNNN is a Bosch Rexroth Indramat torque motor rotor in a standard version for precision direct-drive assemblies. IP00 protection and a 0 to +40 °C operating ambient range make the design well suited to controlled industrial installations. Screw fastening and coolant input pressure up to 6 bar support secure integration in high-torque systems.
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Product Description:
The MRT530R-3N-0410-NNNN rotor is manufactured by Bosch Rexroth Indramat and belongs to the MRT Synchronous IndraDyn T Motors series. It serves as the active rotating element inside a torque motor, converting the magnetic field generated by the stator into continuous drive torque for direct-drive indexing tables, printing cylinders, and rotary positioning axes. The rotor’s geometry and magnet layout are compatible with MRT stators, allowing direct integration into high-precision automation equipment. Its hollow design also supports machine arrangements that require services or mechanical components to pass through the center of the rotary axis.
The rotor’s internal diameter measures 410 mm, providing ample clearance for cables or mechanical services that may pass through the motor bore. Its mechanical frame size is 530, corresponding to the outside diameter that mates with the stator housing. Liquid cooling supports thermal stability, and the permissible coolant inlet temperature ranges from +5 to +40 °C. The cooling circuit may operate at pressures up to 6 bar without risking leakage under the stated operating conditions. Heat is removed through channels machined into the laminated stack, while the rotor is secured with screws to the machine hub. This fastening method eliminates the need for shrink-fit or adhesive bonds and permits a rigid connection to the driven assembly. The unit is supplied in the standard configuration without optional sensor rings or auxiliary balance weights.
Proper temperature control supports reliable operation and helps preserve the rotor’s magnetic characteristics. The rotor can operate at ambient temperatures from 0 to +40 °C; operation outside this range may affect magnetic performance. For warehouse storage, it tolerates temperatures from -25 to +55 °C, allowing the unpowered rotor to remain in a broader temperature range than is permitted during operation. During transportation, it can withstand temperatures from -25 to +70 °C without demagnetization. The rotor has an enclosure protection rating of IP00, so it does not provide built-in protection against contact, dust, or water. A sealed stator housing or suitable machine guard must therefore protect the installed rotor from particulate ingress and accidental contact.
