SE-C4.170.030-04.101 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-C4.170.030-04.101 is part of the SE Synchronous Servo Motors series and has a flange size of 142 mm with an overall length of 362 mm. The servo motor provides a nominal speed of 3000 rpm and a holding torque of 18 Nm. It weighs 21 kilograms and includes an oil-tight end plate.
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Product Description:
The SE-C4.170.030-04.101 is a synchronous servo motor built by Bosch Rexroth Indramat for closed-loop motion tasks within the SE Synchronous Servo Motors series. In automated machinery, the unit converts drive current into controlled rotary motion, allowing position, velocity, and torque loops to operate with feedback from a tacho generator. Its mechanical interface follows the IEC square-flange pattern, so the motor can be fastened to compatible gearboxes or machine frames without custom adapters. This mounting arrangement supports accurate alignment between the motor shaft and the connected transmission. The servo motor is suitable for indexing equipment, material-handling systems, and other machinery that requires regulated rotary motion.
The rotor reaches a nominal speed of 3000 rpm, giving the drive a moderate base velocity for indexing or continuous-duty axes. When rapid acceleration is required, the magnetic stack can deliver up to 43.0 Nm of peak torque. The mounting flange measures 142 mm and helps maintain concentricity under load. Internal sensors and electronics are powered from a symmetrical control rail of ±15 V DC, while tacho feedback is scaled at 2.7 V per 1000 rpm for analog velocity loops. The M8 mounting holes secure the motor to the machine face, and the stator winding leads have a cross-sectional area of 6.0 mm², matching common servo cable sizes from 4 mm² to 6 mm². The keyed shaft measures 24 mm in diameter and 50 mm in length, and it uses an A8 × 7 × 40 feather key for positive torque transfer. An oil-tight end plate seals the rear housing, helping prevent lubricants from nearby gear stages from entering the stator.
Holding demands during downtime are supported by a static torque of 18 Nm, which helps prevent back-driving on vertical or unbalanced axes. The motor has a mass of 21 kg, providing moderate inertia while allowing stable mounting on the machine frame. The assembly withstands sinusoidal impacts up to 6 g without losing alignment. Its overall length is 362 mm from the flange to the end plate, leaving space behind the built-in tacho for compatible resolver or encoder options. Shock-resistant bearings support the shaft under vibration and intermittent loading. An included oil seal limits lubricant migration around the shaft during operation.
