MDD090B-N-020-N2M-110PB1 Bosch Rexroth Indramat
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MPN: R911254022
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The Bosch Rexroth Indramat MDD090B-N-020-N2M-110PB1 is a synchronous motor from the MDD Synchronous Motors series designed for use with digital drive controllers. It features a nominal speed of 2000 revolutions per minute, a continuous torque at standstill of 7.2 Nm, and a 110 mm centering diameter. The motor is equipped with a keyway shaft, integrated multiturn absolute encoder, and a holding brake with 6.5 Nm torque.
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Product Description:
The MDD090B-N-020-N2M-110PB1 is a synchronous servo motor produced by Bosch Rexroth Indramat for the MDD Synchronous Motors series. It is intended for use with digital drive controllers, where it supplies rotary motion for axes that require accurate position and speed control in automated machinery. The unit uses motor size 090 with a standard housing and standard balancing, which suits general industrial motion tasks. It is also equipped with an integrated blocking brake, so the axis can remain in place when drive power is removed. Because the motor is designed for closed-loop servo operation, the connected drive can regulate acceleration, deceleration, and holding behavior with repeatable response.
This model has a nominal speed of 2000 rpm, allowing it to match drive systems that rely on moderate base frequencies while still delivering accurate servo performance. At standstill, it can deliver 7.2 Nm of continuous torque, which is suitable for a steady mechanical load without exceeding normal thermal limits. The integrated brake supplies up to 6.5 Nm of holding torque to lock the shaft during power-off conditions or controlled stops. A centering diameter of 110 mm helps align the motor on the mounting surface, and the power and feedback connectors are located on side B to simplify cable routing in many machine layouts. That centering feature also helps keep the motor and the driven components concentric during installation.
The output shaft uses a keyway, which supports positive torque transmission with a matching hub or coupling. Position data is transmitted through digital servo feedback (DSF), which works with a multi-turn absolute encoder so the connected drive can track both incremental movement and full shaft revolutions. The motor has length code B, which corresponds to the stack length used for this frame size. A fitted shaft seal helps reduce the entry of dust or coolant at the output end. This feedback and shaft arrangement is suitable for applications that need accurate motion control and secure mechanical coupling.
Frequently Asked Questions about MDD090B-N-020-N2M-110PB1:
Q: What type of encoder is included in the MDD090B-N-020-N2M-110PB1 motor?
A: This motor features an integrated multiturn absolute encoder.
Q: What is the nominal speed of the MDD090B-N-020-N2M-110PB1 synchronous motor?
A: The nominal speed of the MDD090B-N-020-N2M-110PB1 is 2000 min⁻¹.
Q: Does the MDD090B-N-020-N2M-110PB1 motor include a holding brake and what is its torque?
A: A blocking brake with a holding torque of 6.5 Nm is included in this model.
Q: How is the electrical connection accessed on the MDD090B-N-020-N2M-110PB1 motor?
A: The connection is made via a connector mounted on Side B of the motor.
Q: What type of shaft does the MDD090B-N-020-N2M-110PB1 motor have, and does it include a shaft seal?
A: This model uses a keyway shaft with a shaft seal for added protection against contaminants.
