SE-B5.700.030-04.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-B5.700.030-04.000 is part of the SE Synchronous Servo Motors series and features a flange diameter of 190 mm and a shaft size of 32 by 58 mm. This servo motor delivers a maximum torque of 147 Nm and a nominal speed of 3000 rpm, with a brake holding torque of 56 Nm. It has a mass of 57 kg with the brake and a winding resistance of 0.074 Ohm.
Internal Product Review
The SE-B5.700.030-04.000 is a Bosch Rexroth Indramat synchronous servo motor rated for 3000 rpm nominal speed and 147 Nm maximum torque. A 56 Nm holding brake with 24 VDC supply adds dependable stopping and secure axis retention for servo applications. Strong torque output and integrated braking make this motor a very capable motion solution.
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Product Description:
The SE-B5.700.030-04.000 is a Bosch Rexroth Indramat motor in the SE Synchronous Servo Motors series. It serves as a high-performance drive element that turns commanded current from a servo amplifier into precise torque and velocity for conveyors, gantry axes, and other motion stages. A 190 mm flange interfaces with standard machine plates, while the Ø32 × 58 mm shaft transmits power through keyed or clamped couplings without additional adapters. This arrangement supports rigid mounting and predictable torque transfer in servo axes that need accurate alignment and repeatable motion.
This model reaches a nominal speed of 3000 rpm and can deliver up to 147 Nm during acceleration or short overloads. Continuous torque production is scaled by a torque constant of 1.02 Nm/A, and the back-EMF generated during operation is set by a voltage constant of 117 V/1000 rpm. Winding parameters include 1.4 mH inductance and 0.074 Ω resistance, and together they produce an electrical time constant of 19.0 ms that slows current rise and smooths control behavior. The rotor’s moment of inertia is 28.8 × 10-3 kg·m², which supports fast yet stable response, and the mechanical time constant of 1.9 ms shows that shaft speed reacts quickly to load changes. These electrical and inertial characteristics affect acceleration behavior, loop tuning, and speed stability during positioning and velocity control.
For stationary holding, the integrated brake supplies 56 Nm of torque from a 24 VDC circuit. Including this brake, the assembly weighs 57 kg and measures 537 mm in overall length, allowing compact installation in vertical axes that must resist back-driving. Thermal behavior is characterized by a time constant of 53 min, so temperature rises gradually during intermittent peaks instead of changing abruptly. This slower heat buildup is useful on axes that alternate between motion and standstill over repeated operating cycles.
