MRS162F-1N-0068-NNNN Bosch Rexroth Indramat
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The Bosch Rexroth Indramat MRS162F-1N-0068-NNNN is part of the MRS Synchronous IndraDyn H Motors series and features a smooth hole bore type. The rotor has an inside diameter of 68 mm, an outer diameter of 106 mm, an overall length of 286 mm, and a mass of 10.6 kg. It includes 12 end face balancing holes sized M6 x 10 mm and 24 rotor balancing holes sized M6 x 8 mm, with a rotor inertia of 0.022 kg·m².
Internal Product Review
The MRS162F-1N-0068-NNNN is a synchronous motor rotor with a smooth-hole bore and 0.022 kg·m² rotor inertia, making it well suited for precise, responsive drive performance. The balancing-hole layout and 10.6 kg rotor mass reflect a well-engineered rotating assembly, making this unit a strong choice for stable high-speed operation.
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Product Description:
The MRS162F-1N-0068-NNNN is a dedicated rotor component used in MRS Synchronous IndraDyn H motors manufactured by Bosch Rexroth Indramat. In automated machinery, the permanent-magnet rotor works with a compatible stator to convert electromagnetic energy into controlled rotational torque. This operation supports packaging, printing, and material-handling axes that require accurate speed and position control. Tight manufacturing tolerances help maintain balanced magnetic forces during continuous rotation, while the permanent-magnet design supports rapid acceleration and repeatable positioning in servo systems.
The rotor is designed to maintain precise concentricity with the machine shaft. Its internal interface consists of a smooth bore that can accommodate a shrink-fit or adhesive connection without introducing mechanical backlash. The bore has a diameter of 68 mm, providing the opening required for the mating shaft and leaving sufficient material for the magnetic flux path. The rotor body has an outside diameter of 106 mm, which must be considered when establishing the operating air gap within the matching stator. Its axial length is 286 mm, providing a substantial magnetic surface while allowing installation within the corresponding motor housing. These dimensions must be checked against the shaft, stator, and housing before assembly to preserve alignment and prevent contact between rotating and stationary components.
Dynamic balance can be adjusted through 24 radial M6 holes with a depth of 8 mm, which provide locations for distributing correction masses around the circumference. Axial symmetry can be adjusted through 12 end-face M6 holes with a depth of 10 mm. The rotor has a polar moment of inertia of 0.022 kg·m², allowing the drive system to account for its stored rotational energy when controlling acceleration and deceleration. Its total mass is 10.6 kg, which must be supported securely during installation to avoid damage to the magnets, shaft surface, or surrounding motor components. Proper use of the balancing holes helps limit vibration during high-speed operation without changing the rotor’s primary shaft interface or magnetic geometry.
