MHD093B-065-NG1-BA Bosch Rexroth Indramat
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MPN: R911289688
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The Bosch Rexroth Indramat MHD093B-065-NG1-BA servo motor is part of the MHD Synchronous Motors series and features a plain shaft with shaft seal. It has a continuous torque at standstill of 17.5 Nm and comes with a holding brake that provides 22.0 Nm of torque. The motor uses digital servo feedback for position detection and is protected to IP65 standards.
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Product Description:
Bosch Rexroth Indramat manufactures the MHD093B-065-NG1-BA as part of the MHD Synchronous Motors series. This servo motor converts drive current into controlled rotary motion for positioning tasks in automated assembly lines and machining centers. The design combines permanent-magnet excitation with digital feedback so the controller can regulate torque and speed in closed-loop operation. That arrangement supports accurate starts, stops, and speed changes during repetitive machine cycles. Because feedback and motor action are integrated in one package, the drive can respond quickly to load changes without relying on separate external sensing hardware.
The motor uses a centering register of 130 mm, and the 140/150 mm flange pattern fits standard mounting faces. It supplies 17.5 Nm of continuous torque at standstill, which suits static holding loads and low-speed positioning duty. The motor is rated IP65, which helps keep out dust and low-pressure water jets. Rotor position is measured by digital servo feedback (HSF) that uses an optical method to send relative position data to the drive. It is intended for operation at ambient temperatures from 0 to 40 °C, and the wiring exits on side B through an output connector for standard power cables. This combination of mounting dimensions and sealing makes the motor suitable for compact machine frames where stable alignment and protected operation are important.
The unit includes a holding brake with 22.0 Nm of static torque to keep the axis in place when power is removed. Winding insulation is built to Class F, and heat is dissipated by natural convection, so no auxiliary fan is required. The motor can operate continuously at elevations up to 1000 m above mean sea level. System feedback accuracy reaches ±0.5 angular minutes, which supports repeatable indexing when the plain shaft is coupled to gearboxes or belt drives. A shaft seal helps protect the internal bearings from coolant or dust intrusion. The motor has size 093 with length code B, and the allowable storage range of -20 °C to 80 °C helps preserve magnet strength during transport and storage.
