SF-A5.0700.030-14.039 Bosch Rexroth Indramat
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MPN: 1070076881
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The Bosch Rexroth Indramat SF-A5.0700.030-14.039 is part of the SF Servo Motors series and features a flange size of 190 mm with a rated speed of 3000 min^-1. It provides a holding torque of 56 Nm and locked-rotor torque of 69 Nm. The motor includes an encoder with 8 million increments per revolution and ±20 angular second precision.
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Product Description:
The SF-A5.0700.030-14.039 is a servo motor developed by Bosch Rexroth Indramat within the SF Servo Motors series. This rotary unit is intended for motion axes that require consistent speed regulation and closed-loop feedback in machining centers, packaging lines, and material-handling gantries. By combining an integrated brake and a high-resolution encoder, it supports precise position control in automated equipment. The motor is suited to applications where smooth acceleration, controlled stopping, and repeatable motion are required throughout frequent operating cycles.
The motor mounts on a 190 mm flange, letting it fit directly onto large gearboxes and machine frames without adapter plates. Its rated shaft velocity is 3000 rpm, which matches many spindle and conveyor drive arrangements. At this speed, the windings develop torque proportional to current at a constant of 1.53 Nm/A, which supports predictable current-based control. For static load holding, the electromagnetic brake can maintain 56 Nm of torque while adding only a modest amount of mass and inertia to the housing. Rotor position feedback is delivered by an optical encoder that resolves 8 million increments per revolution with very fine positional detail, helping reduce following error in servo loops. This combination of mechanical holding and detailed feedback supports accurate positioning during repeated start-stop motion.
In startup or stall events, the motor can withstand 69 Nm at the shaft, and the drive must be able to supply the corresponding locked-rotor current of 45 A without tripping. The brake coil is energized from a 24 VDC ±10% supply with 5% permissible ripple, which allows connection to standard control power buses. For applications exposed to vibration or impact, the assembly has been qualified to survive shocks up to 6 g, helping protect the bearings and encoder optics during machine operation. These electrical and mechanical limits are important for systems that require reliable starting, secure load holding, and stable operation under intermittent shock.
