MRS312H-2N-0130-NNNN Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
The Bosch Rexroth Indramat MRS312H-2N-0130-NNNN is a synchronous rotor from the MRS Synchronous IndraDyn H Motors series. It features a three-phase design, a rotor inner diameter of 130 mm, and has 7 pole pairs. The component includes a steel rotor sleeve, step interference fit mounting, and an IP00 protection class.
Internal Product Review
The MRS312H-2N-0130-NNNN is a rotor for synchronous motor systems. The step interference fit and steel rotor sleeve support precise mechanical engagement and dependable service in demanding assemblies. IP00 construction makes this component a strong choice for enclosed industrial installations.
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Product Description:
The MRS312H-2N-0130-NNNN is a rotor supplied by Bosch Rexroth Indramat for the MRS Synchronous IndraDyn H Motors series. As a synchronous motor component, it interacts with the stator’s magnetic field to produce the rotary motion required by automated machinery. The permanent magnets are positioned on the inside of the rotor core, an arrangement that minimizes flux leakage while keeping the active mass compact. The component is classified as a rotor and is packaged in accordance with the IATA 953 air-freight standard for international transportation. Its compact magnetic arrangement supports installation within the corresponding stator assembly without adding unnecessary rotating mass.
The electrical arrangement uses a three-phase system, and the rotor has 7 pole pairs, providing the drive controller with a consistent relationship between electrical and mechanical rotation. A rotor inner diameter of 130 mm provides the clearance required for the stator stack and the selected air gap. The rotor is attached to the shaft with a stepped interference fit, which applies uniform radial pressure and prevents slippage during acceleration or braking. This attachment method also maintains concentric alignment between the shaft and rotor under changing rotational loads. The assembly can operate at sites up to 1000 m above sea level without performance derating, allowing installation in most industrial locations.
The rotor has an IP00 protection rating, so it must be installed inside a motor enclosure that provides suitable barriers against dust and moisture. A sleeve made of steel reinforces the magnet carrier and withstands the circumferential forces generated at high surface speeds. The assembly includes one O-ring for axial sealing between the applicable mating surfaces. It also uses two sealing grub screws as radial locking points to keep the sleeve securely positioned during thermal cycling. These retaining components help prevent unintended movement between the sleeve and magnet carrier as operating temperatures change. The surrounding motor housing must provide the necessary physical protection because the rotor itself is an unenclosed internal component.
