MSK101D-0300-NN-S2-BG2-RNNN Bosch Rexroth Indramat
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MPN: R911321260
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The Bosch Rexroth Indramat MSK101D-0300-NN-S2-BG2-RNNN is an IndraDyn S Synchronous Servomotor with a motor size of 101 and length D. This servomotor features a plain shaft, increased concentricity design, and natural convection cooling. It uses an EnDat2.1 optical encoder with 2048 signal periods and has a holding brake that provides 70 Nm of torque.
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Product Description:
The MSK101D-0300-NN-S2-BG2-RNNN is a synchronous servo motor produced by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. As a closed-loop drive element, it converts electrical energy into controlled mechanical torque for positioning axes, packaging machines, and material-handling stations that require accurate speed regulation. It is intended for servo systems that must translate commanded current into responsive rotary motion under varying load conditions. The motor uses size 101 with length code D, which places it in a large frame with an extended housing. Its mechanical build includes increased concentricity, helping reduce radial runout when the shaft is connected to gearboxes, couplings, or ball screws.
Heat is removed through natural convection, so the motor does not need forced-air accessories. This cooling method requires open airflow around the housing so heat can leave the outer surface without obstruction. Rotor position feedback is transmitted through EnDat2.1, and the encoder provides 2048 signal periods per revolution for smooth control response. The measuring system is optical and single-turn, which gives the controller precise absolute position data within one mechanical revolution. Because the position value is absolute within one turn, homing requirements can be reduced in suitable machine designs. This feedback arrangement supports stable velocity loops and accurate positioning in applications that depend on repeatable motion.
An electrically released holding brake provides 70 Nm of torque, allowing the axis to remain fixed when supply power is removed. The motor uses a plain shaft without a keyway, which suits clamp couplings and helps limit backlash at the shaft connection. Power connections are routed on the B-side of the stator so cables can be directed away from the load side of the motor. This arrangement keeps the shaft end clear for direct coupling and helps simplify installation where space around the drive train is limited. The shaft geometry and improved concentricity support smooth rotation at rated speed without requiring extra alignment hardware.
Frequently Asked Questions about MSK101D-0300-NN-S2-BG2-RNNN:
Q: What cooling method does the MSK101D-0300-NN-S2-BG2-RNNN motor use?
A: This motor features natural convection cooling and does not require external fans.
Q: What type of encoder and resolution does this motor utilize?
A: The MSK101D-0300-NN-S2-BG2-RNNN uses an optical EnDat2.1 singleturn encoder with 2048 signal periods for precise positioning.
Q: Does the MSK101D-0300-NN-S2-BG2-RNNN come with a holding brake, and what is its torque?
A: A holding brake with a torque rating of 70 Nm is included and is electrically released.
Q: What type of shaft does the MSK101D-0300-NN-S2-BG2-RNNN have?
A: This model is equipped with a plain shaft for coupling applications.
Q: Where is the power connector positioned on this motor?
A: The power connector is located on the B-side of the MSK101D-0300-NN-S2-BG2-RNNN motor.
