QSK061B-0300-NN-S5-UG1-NNNN Bosch Rexroth Indramat
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MPN: R911325034
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The Bosch Rexroth Indramat QSK061B-0300-NN-S5-UG1-NNNN is a synchronous servo motor from the QSK Servo Motors series. It has a frame size of 061 and uses natural convection cooling. The motor features a Hiperface optical encoder with 128 increments and a singleturn type, as well as an electrically-released holding brake with a torque of 10 Nm.
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Product Description:
The QSK061B-0300-NN-S5-UG1-NNNN is a synchronous servo motor manufactured by Bosch Rexroth Indramat within the QSK Servo Motors series. As a compact rotary actuator, it delivers closed-loop position and velocity control for packaging machines, pick-and-place axes, and other automated stations that depend on precise shaft positioning. Its compact layout supports installation where controlled motion, repeatable stopping, and efficient use of space are important to overall machine design.
This model is cooled by natural convection, so cabinet airflow is unnecessary and the motor can be placed in tight enclosures without a separate fan circuit. Rotor position is monitored by an optical encoder that provides 128 increments per revolution, which supports controlled motion profiles while keeping the feedback signal load moderate. Data and power for the sensor travel over the Hiperface interface, which combines analog sine-cosine feedback with a digital memory channel. An electrically released holding brake is integrated to clamp the shaft when control power is removed, which is useful on vertical or load-holding axes. This combination of passive cooling, encoder feedback, and an integrated brake suits compact servo applications that need stable motion control during frequent starts and stops.
The brake can withstand a static load of 10 Nm, allowing the motor to hold medium-mass fixtures during machine stops. Motor power and feedback are routed through a rotatable 240° plug, so the cable exit can be aligned with existing wiring runs and limited installation space. Because the encoder is a single-turn device, the controller receives absolute position within one revolution, while position beyond one revolution must be tracked by the drive. The motor uses frame size 061 with a B-length housing, and winding code 0300 matches the electrical characteristics expected by compatible Rexroth drives. A plain shaft with a sealing ring helps prevent lubricant escape while allowing rigid coupling to gears or timing pulleys for torque transmission.
