Product Description:

The SR-A5.0700.020-10.000 is a synchronous servo motor produced by Bosch Rexroth Indramat for the SR Synchronous Servo Motors series. Intended for industrial automation, it converts electrical energy from a DC drive into controlled torque and speed so positioning tables, gantry axes, or packaging spindles can follow precise motion commands. Permanent-magnet excitation and resolver feedback allow the drive controller to regulate rotor position with closed-loop accuracy suitable for high-duty production lines. The motor is suited for axes that require repeatable starts, stops, and speed changes over long production runs.

At its continuous operating point, the rotor turns at 2000 rpm, which matches common feed rates in assembly and metal-cutting cells. The stator windings are energized from a DC bus of 670 V, which affects insulation requirements and drive selection. Magnetic coupling delivers 2.0 Nm/A, so current demand rises in proportion to the required torque. With a housing rated IP67, the motor resists dust ingress and temporary immersion during washdown cleaning. A flange diameter of 190 mm establishes the mounting interface, while the shaft measures 32 mm in diameter and 58 mm in length. The shaft dimensions provide a direct interface for couplings or belt pulleys matched to the motor frame. The allowable axial load is 380 N, which helps protect the bearings from thrust loads during operation.

Short-duration stalls draw a locked-rotor current of 34 A, producing an immediate stall torque of 69 Nm for breakaway starts. The cast housing and laminated core weigh 50 kg, and the overall body length is 483 mm when the motor is supplied without a holding brake. Dynamic response is influenced by the rotor's moment of inertia, listed as 0.0257 kg m², which balances rapid acceleration with smooth mechanical behavior. That inertia value affects acceleration response and load matching in feed axes and transfer motions where the driven load changes during the cycle.