MRS202F-1N-0096-NNNN Bosch Rexroth Indramat
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The Bosch Rexroth Indramat MRS202F-1N-0096-NNNN is part of the MRS Synchronous IndraDyn H Motors series and is a standard rotor with a frame size of 202 and a frame length code of F. It features a smooth rotor drilling with an internal diameter of 96 mm and a total length of 387 mm. The rotor is designed for use in ambient temperatures between 0 and 40°C and has an IP00 protection rating.
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Product Description:
The MRS202F-1N-0096-NNNN is a rotor manufactured by Bosch Rexroth Indramat for the MRS Synchronous IndraDyn H Motors series. As the rotating component of a synchronous spindle motor, it couples to the stator’s magnetic field and transmits torque to machine-tool spindles and other precision drives used in industrial automation. The construction follows insulation class F requirements, allowing the laminated core and any embedded sensors to tolerate winding temperatures up to 155 °C.
The rotor has a frame size of 202, which establishes the outside diameter needed to match the corresponding stator housing. Its frame length code of F indicates the active stack depth selected for this model, balancing rotational inertia with magnetic loading. An internal diameter of 96 mm provides clearance for the motor shaft and any media passages routed through the spindle. The body has an overall length of 387 mm, which must be considered when determining bearing spacing and shaft overhang. The rotor is supplied with a smooth rotor bore, allowing mating components to seat without keyways or splines and reducing localized stress concentrations. It also uses a plain drilling mounting style, with unthreaded fixing holes suitable for press-fit pins or bolts. These mounting features support precise placement within the spindle assembly while leaving the surrounding motor housing responsible for structural support and alignment.
The component operates within an ambient temperature range of 0–40 °C, so system cooling must keep the local air temperature within this range to limit thermal growth that could affect spindle balance. A protection rating of IP00 applies because the rotor is installed inside the motor housing and depends on that enclosure for protection from contact and contaminants. The rotor uses the Standard design variant for the IndraDyn H spindle platform, with geometry intended to fit its matching stator and sensor assembly. Correct installation requires suitable shaft support, accurate concentric alignment, and adequate enclosure protection because the rotor does not provide independent sealing or guarding.
