MRT130A-3N-0060-NNNN Bosch Rexroth Indramat
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The Bosch Rexroth Indramat MRT130A-3N-0060-NNNN is part of the MRT Synchronous IndraDyn T Motors series and features an IP00 degree of protection. This motor uses screws for fastening, has an inside rotor diameter of 60 mm, and a maximum mechanical speed of 4,000 per minute. The rotor inertia is 0.00080 kg·m² and the rotor mass is 0.6 kg, with a mounting thread size of M5 and a thread depth of 10 mm on one side only.
Internal Product Review
The MRT130A-3N-0060-NNNN is a Bosch Rexroth Indramat synchronous torque motor rated for 4,000 min⁻¹ with IP00 protection. Screw fastening with M5 mounting threads supports secure mechanical integration in precision rotary assemblies. Rotor inertia of 0.00080 kg·m² and ±10% inertia tolerance make this motor a strong choice for consistent dynamic performance.
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Product Description:
The MRT130A-3N-0060-NNNN is a cylindrical rotor component from Bosch Rexroth Indramat within the MRT Synchronous IndraDyn T Motors series. Designed for direct-drive torque motors used in indexing tables and similar automation axes, the rotor mates with a corresponding stator to generate high continuous torque without mechanical transmission elements. Its geometry supports hollow-shaft layouts, allowing power, fluid, or sensor lines to pass through the motor center. This arrangement can simplify machine design and reduce backlash compared with belt-driven or gearbox-based solutions.
The rotor is supplied without an enclosure, so its exposed laminations have a protection rating of IP00. The installation must therefore provide suitable guarding against dust and accidental contact. The maximum permissible rotational speed is 4,000 rpm, above which centrifugal forces may exceed the strength of the bonded magnets. The central bore measures 60 mm in diameter, providing clearance for large feed-through shafts, hydraulic lines, or electrical connections. The rotor has an inertia of 0.00080 kg·m² with a production tolerance of ±10%. Standard screws secure the component to the machine hub and provide direct access during maintenance.
The mounting features are located on a single face of the rotor. It has 8 tapped holes with an M5 mounting thread, providing axial retention without requiring through-bolts. Each hole has a functional thread depth of 10 mm to maintain secure engagement under dynamic torque. The one-sided arrangement supports alignment within confined stator cavities and eliminates the need for counterbores on the opposite face. The rotor has a mass of 0.6 kg, which limits the additional bearing load and makes the component easier to handle during assembly. Its compact mounting arrangement also leaves the central opening unobstructed for routed machine services.
