Product Description:

The MDD090C-N-020-N2L-130GL0 is a synchronous servo motor built by Bosch Rexroth Indramat for integration into digital drive controllers in the MDD Synchronous Motors series. Supplied in size 090 with the C length code, it provides closed-loop rotary actuation for indexing tables, gantry axes, and similar machinery that demand precise speed holding and repeatable positioning under CNC or PLC command. Its synchronous design allows the drive to regulate torque smoothly during acceleration, steady-state travel, and repeated positioning moves. This makes the unit suitable for axes that must start, stop, and reverse without losing position accuracy during normal operation.

Under rated conditions, the motor can deliver 10.4 Nm of continuous stall torque. Its magnetic circuit supports a nominal running speed of 2000 rpm. A centering diameter of 130 mm simplifies concentric alignment to gearboxes or flanges, while the rotor is trimmed to a standard balancing class that helps suppress vibration at high speed. Thermal mass is carried by a standard aluminum housing, and the winding state is monitored through digital servo feedback (DSF) to suit modern drive diagnostics. Because the design is specified without a blocking brake, holding torque must be supplied electrically or by an external clamp when power is removed.

Service connections exit on the left side through a keyed connector, keeping cable loops clear of adjacent modules. This arrangement helps route power and feedback leads away from nearby moving parts and tight machine corners, and it leaves more free space around the rear of the motor for adjacent hardware. The output shaft is a plain shaft in a standard single-ended configuration, so no tooling is necessary on side B. Contaminant ingress is limited by a shaft seal, and internal lubrication paths protect the standard bearing set throughout normal operation.