QSK075C-0300-NN-M5-UGO-NNNN Bosch Rexroth Indramat
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MPN: R911325043
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The Bosch Rexroth Indramat QSK075C-0300-NN-M5-UGO-NNNN is part of the QSK Servo Motors series and is a synchronous servo motor with frame size 075 and frame length C. It uses a Hiperface optical encoder with 128 increments, multiturn-absolute capability, and features a plain shaft with a shaft sealing ring. The motor has a rotatable plug connection at 240 degrees and is cooled by natural convection.
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Product Description:
The QSK075C-0300-NN-M5-UGO-NNNN is supplied by Bosch Rexroth Indramat as part of the QSK Servo Motors series. It is a synchronous machine intended to drive tightly controlled rotary axes in industrial automation, where accurate positioning and repeatable speed regulation are required. Integrated feedback electronics provide the drive with position information for closed-loop motion control. Its sealed mechanical interface helps protect internal components during operation in assembly cells, pick-and-place stations, and material-handling gantries.
Power and signal connections use a rotatable plug with a 240° adjustment range, which can be positioned during installation to simplify cable routing in confined spaces. Heat is dissipated through natural convection, eliminating the need for forced-air or liquid-cooling systems and simplifying machine installation. The 075 frame size establishes the motor housing and mounting envelope. Position data travel over the Hiperface serial channel, allowing the connected drive to receive feedback for speed and position regulation. The encoder uses optical scanning to read coded tracks within the feedback assembly. It generates 128 increments per revolution, providing moderate resolution for indexing and general motion-control tasks without producing excessive data traffic.
A multi-turn absolute encoder records the shaft position across power cycles, eliminating the need for a homing move after every startup. Its multi-turn position range uses 13-bit revolution counting beyond the encoder’s single-turn measurement. This allows the controller to track the motor position across numerous complete shaft rotations. Torque is transmitted through a plain shaft with a shaft sealing ring, providing a smooth coupling surface while helping prevent lubricant spray and fine dust from entering the bearing cavity. The motor uses winding code 0300, which matches its impedance and back electromotive force characteristics to compatible drive requirements. Its C frame length accommodates the active magnetic stack within the housing, balancing continuous torque capacity with the motor’s overall depth. This arrangement preserves the responsive acceleration and controlled rotary motion expected from a synchronous servo motor.
