SE-B4.130.030-10.037 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-B4.130.030-10.037 is a synchronous servo motor from the SE Synchronous Servo Motors series. It features a nominal speed of 3000 rpm, maximum torque of 27.6 Nm, and a current at M0 of 15 Amps. The motor has a flange size of 142 mm, centering diameter of 130 mm, and measures up to 283 mm in length with a mass of 16 kilograms.
Internal Product Review
The SE-B4.130.030-10.037 is a Bosch Rexroth Indramat SE synchronous servo motor with 27.6 Nm maximum torque and 3000 rpm nominal speed. A 13 Nm static torque rating and 3.08 x 10^-3 kgm² rotor inertia support responsive acceleration and stable servo tuning in demanding motion axes. A strong technical choice for high-performance positioning around the 27.6 Nm torque class.
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Product Description:
The SE-B4.130.030-10.037 is a synchronous servo motor manufactured by Bosch Rexroth Indramat for the SE Synchronous Servo Motors series. It serves as a rotary actuator that couples to ball screws, gear stages, or timing pulleys to execute accurate speed and position profiles. The motor is suitable for automated machinery used in assembly lines, pick-and-place heads, and packaging stations.
The motor reaches a nominal velocity of 3000 rpm, allowing direct connection to drive systems that require moderate rotational speeds without external gearing. At standstill, it can deliver 13 Nm of static torque, ensuring stable holding force for vertical or load-bearing axes. Momentary overloads are handled by a peak capability of 27.6 Nm, which accommodates sudden inertial changes during acceleration or deceleration. To produce these torque levels, the stator windings draw 15 A at the continuous stall point, so the drive must provide adequate current capacity. Dynamic response is characterized by an electrical time constant of 9.7 ms, meaning the phase current rises quickly when the inverter commands a step change. The mechanical interface includes a 142 mm square flange, a 24 mm shaft diameter, and a centering diameter of 130 mm, simplifying installation on compatible gearboxes or bearing plates.
System inertia matching benefits from a rotor inertia of 3.08 × 10-3 kg·m², which balances fast acceleration with smooth velocity regulation. Back EMF generated during motion follows a voltage constant of 84 V/1000 rpm, giving the drive predictable voltage behavior for field-oriented control. The complete assembly weighs 16.0 kg, a factor that influences gantry payload calculations and support structure sizing. Electromagnetic energy storage is governed by a winding inductance of 9.7 mH, while the associated winding resistance of 0.96 Ω affects steady-state copper losses. The motor has an overall length of 283 mm and a shaft extension of 50 mm, allowing machine designers to verify clearance within compact frames.
