SE-B5.570.020-00.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-B5.570.020-00.000 is part of the SE Synchronous Servo Motors series. It delivers a maximum torque of 135 Nm, a nominal speed of 2000 rpm, and has a static torque of 62 Nm. The motor has a standstill current of 40 Amps, a torque constant of 1.55 Nm per Amp, and weighs 45 kilograms.
Internal Product Review
The SE-B5.570.020-00.000 is a Bosch Rexroth Indramat synchronous servo motor with 2000 rpm nominal speed and 135 Nm maximum torque. A 1.55 Nm/A torque constant and 2.0 ms electrical time constant support responsive, controlled motion in demanding servo applications. The 62 Nm static torque makes this motor a strong choice for high-performance axis duty.
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Product Description:
The SE-B5.570.020-00.000 is a synchronous servo motor produced by Bosch Rexroth Indramat within the SE Synchronous Servo Motors series. It converts drive current into precisely regulated rotary motion for positioning and velocity control tasks in machine tools, packaging lines, and material handling cells. Its synchronous operating principle supports repeatable speed regulation and accurate axis response when paired with a compatible servo drive. A shaft-mounted tachogenerator also provides an analog speed signal for control systems that use separate velocity feedback.
It achieves a nominal shaft speed of 2000 rpm, letting controllers synchronize motion with moderate-frequency cycles. At standstill, the rotor supplies 62 Nm of static torque to hold vertical or inertial loads. Each ampere of phase current produces 1.55 Nm/A, so commanded current can be translated directly into motor torque. The stator winding shows 4.9 mH of inductance and 0.21 ohms of resistance, and these values influence current response and inverter voltage demand. A 10.0 mm² connection area supports conductors that carry continuous current without overheating. The shaft measures 32 mm in diameter and 58 mm in length, allowing direct coupling to keyed hubs or gearboxes. Rotor velocity generates a back EMF of 170 V per 1000 rpm, which the inverter offsets through vector control. A mechanical time constant of 21.9 ms indicates how quickly the rotor accelerates when step torque is applied.
During transient moves, the motor can generate up to 135 Nm of peak torque, and the drive may supply 40 A of standstill current to reach that level. The electrical time constant of 2.0 ms shows that winding current rises quickly, permitting tight torque loops and responsive changes in shaft output. With an overall length of 445 mm and a mass of 45 kg, the unit provides substantial power density for mid-frame machinery while remaining suitable for rigid motor mounts. The tachogenerator outputs 2.7 V per 1000 rpm, giving an analog speed signal for legacy control hardware. Fast current rise and strong peak torque make the motor suitable for axes that need quick acceleration, stable holding, and steady velocity control.
