SG-B0.002.091-00.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SG-B0.002.091-00.000 is part of the SG Synchronous Servo Motors series and features a nominal speed of 8100 rpm with a standstill torque of 0.25 Nm. This motor weighs 1.0 kg, has a flange size of 55 mm, and uses a brushless resolver feedback device. It features an IP65 protection type and an integrated temperature detector for thermal protection.
Internal Product Review
The SG-B0.002.091-00.000 is a Bosch Rexroth Indramat synchronous servo motor with IM B5 mounting and IP65 protection. Brushless resolver feedback and an integrated temperature detector support accurate motion control and dependable thermal supervision. Nominal speed up to 8100 rpm makes this unit especially appealing for fast-response servo applications.
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Product Description:
The SG-B0.002.091-00.000 is a synchronous servo motor produced by Bosch Rexroth Indramat within the SG Synchronous Servo Motors series. It is designed for light-duty positioning and velocity control in automated handling modules, small gantries, and measurement fixtures where fast response and repeatable accuracy are required. By pairing its stator windings with resolver feedback, the unit supplies continuous closed-loop motion to the connected drive controller without relying on external sensors, making it a straightforward component for compact machine frames.
The motor reaches a nominal speed of 8100 rpm, allowing rapid indexing of low-mass loads. At standstill, it can deliver 0.25 Nm while drawing only 0.92 A, so thermal rise is moderate during static holding periods. Electromagnetic conversion efficiency is reflected in its torque constant of 0.26 Nm/A, which helps the drive match current to commanded torque. With a system power demand of 0.2 kVA, the axis can be supplied from low-rated inverter channels. Mechanical interfacing is simplified by the 55 mm square flange, a 9 mm by 20 mm keyed shaft, and a keyway with feather key that transmits torque without backlash. The overall housing length of 110 mm keeps the assembly short enough for tight multi-axis clusters, and a brushless resolver mounted on the rear provides rotor angle information to the drive for smooth commutation.
An environmental protection level of IP65 seals the stator against dust and water jets, permitting installation outside control cabinets. The stator-rotor assembly weighs only 1.0 kg, so gantry beams and rotary tables experience minimal additional load. Dynamic behavior is influenced by a rotor inertia of 0.009 ×10-3 kg·m², enabling high acceleration without overshoot when combined with the face-mount configuration identified as IM B5. An integrated temperature detector embedded in the windings forwards real-time thermal data to the drive, allowing automatic derating or shutdown before insulation limits are reached.
