SE-B4.130.030-01.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-B4.130.030-01.000 is part of the SE Synchronous Servo Motors series and has a maximum torque of 27.6 Nm with a nominal speed of 3000 rpm. This servo motor features a 130 mm centering diameter, 142 mm flange size, and weighs 16 kg without a brake. Its peak current is rated at 84 A and the shaft measures 24 mm by 50 mm.
Internal Product Review
The SE-B4.130.030-01.000 is a Bosch Rexroth Indramat synchronous servo motor with 27.6 Nm maximum torque and 3000 rpm nominal speed. Low rotor inertia of 3.08 x10^-3 kgm² and a 0.80 Nm/A torque constant support crisp acceleration and efficient current-to-torque response. A well-balanced motor platform for demanding servo axes.
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Product Description:
The SE-B4.130.030-01.000 is a synchronous servo motor produced by Bosch Rexroth Indramat within the SE Synchronous Servo Motors series. This motor converts controlled electrical input into precisely regulated mechanical rotation for positioning axes, conveyors, or converting machinery in industrial automation lines. It provides closed-loop torque and velocity control when paired with a compatible drive, allowing repeatable motion profiles in automated equipment. Its operating characteristics suit applications that require accurate speed changes, stable position holding, and consistent motion over repeated cycles.
At its rated point, the rotor reaches a speed of 3000 rpm, which is the steady operating velocity for continuous duty. During standstill, the motor draws 15 A, which is the current needed to hold position without movement. A torque constant of 0.80 Nm/A links drive current to mechanical output, while the back-EMF coefficient of 99 V/1000 rpm indicates generated voltage during motion and affects drive voltage selection. The windings have an inductance of 9.7 mH and a copper resistance of 0.96 Ω, and these values affect current response and heat generation. A centering diameter of 130 j6 mm and a 24 k5 × 50 mm shaft support geometric compatibility with standard gearheads and couplings.
The motor provides a continuous static torque of 13 Nm and a peak capability of 27.6 Nm, allowing short bursts for rapid acceleration when the drive can deliver up to 84 A. Mechanical responsiveness benefits from a rotor inertia of 3.08 × 10⁻³ kg·m², which helps balance quick start-stop cycles with load stability. With a mass of 16.0 kg, a 142 mm square flange, and an overall length of 283 mm, the motor fits medium-frame machines without excessive overhang. The flange pattern supports rigid attachment, and the housing length suits installations where mounting depth is limited.
