SE-B4.210.030-10.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-B4.210.030-10.000 is part of the SE Synchronous Servo Motors series and has an enclosure rating of IP67. It features a flange size of 142 mm, a centering diameter of 130 mm, and a shaft size of 24 by 50 mm. The servo motor weighs 22 kg and has a noise level of 58 dB(A).
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Product Description:
The SE-B4.210.030-10.000 is a synchronous servo motor produced by Bosch Rexroth Indramat within the SE Synchronous Servo Motors series. Designed for closed-loop position and velocity control on machinery axes, the unit converts drive current into precise rotary motion for packaging, printing, and material-handling stations. The motor couples directly to gearboxes or load shafts, allowing the drive controller to command accurate acceleration and maintain stable holding positions. Its direct mechanical connection also helps reduce lost motion between the motor and the driven equipment.
Its enclosure has an IP67 protection rating, sealing the windings and bearings against dust and water ingress. A 142 mm square flange follows the IM B5 mounting pattern, so the housing bolts directly to compatible machine frames. The stator stack has a length of 347 mm, providing the active iron length needed to produce torque while maintaining a compact front-to-back footprint. Output torque passes through a Ø24 × 50 mm keyed shaft that fits compatible couplings and provides positive mechanical engagement. The power leads have a core area of 2.5 mm² and use a flying lead instead of a mating connector. Internal electronics limit DC voltage ripple to 1.5 %, helping the motor maintain consistent electrical performance during operation. These interfaces allow the motor to connect securely to both the mechanical load and the associated drive electronics.
The motor has a mass of 22 kg, which affects support requirements, inertia matching, and gantry counterbalancing. Its centering pilot has a diameter of 130 mm, ensuring concentric positioning when the flange screws are tightened. The unit can withstand dynamic loading of up to 6 g without losing alignment, supporting rapid indexing cycles and resistance to transport impacts. A built-in tacho generator delivers 2.7 V/1000 rpm, enabling the drive to monitor actual speed and correct deviations in real time. Acoustic emission is limited to 58 dB(A), helping control continuous machine noise in production areas. The feedback signal supports closed-loop speed regulation across changing loads, while the rigid mounting interface helps preserve shaft alignment during repeated acceleration and deceleration. Proper support of the motor and connected load is important because the assembly experiences both static weight and dynamic forces during machine operation.
