SR-A0.0004.060-00.000 Bosch Rexroth Indramat
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MPN: R911303117
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The Bosch Rexroth Indramat SR-A0.0004.060-00.000 is part of the SR Synchronous Servo Motors series and features a flange size of 55 mm and a mass of 1.2 kilograms. This servo motor has an encoder resolution of 8192 increments per revolution with a resolver encoder type. It is rated for a speed of 6000 revolutions per minute and has a torque constant of 0.62 Nm per ampere.
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Product Description:
The SR-A0.0004.060-00.000 is a servo motor manufactured by Bosch Rexroth Indramat for the SR Synchronous Servo Motors series. In an automated axis, it converts drive power into controlled rotary motion for positioning, feed, or spindle tasks. This role suits compact machinery that needs stable speed regulation and repeatable positioning behavior. A resolver mounted on the shaft returns position feedback to the controller during operation. The motor has a housing length of 141 mm and a 55 mm square flange, which helps it fit compact machine frames and keeps installation depth manageable.
The motor windings operate from a DC bus of 670 V, which supplies the electromagnetic field needed to produce torque. Feedback resolution is 8192 incr./rev., giving the servo loop fine position information during motion. Under startup or jam conditions, the stator can draw a locked-rotor current of 0.65 A and develop a locked-rotor torque of 0.4 Nm. The output shaft uses a keyway and feather key arrangement with an Ø9 × 20 mm journal for positive coupling to pulleys or similar drive elements. These electrical and mechanical characteristics support controlled startup behavior when the axis must overcome static friction or an initial load.
The continuous operating range reaches a rated speed of 6000 rpm, supporting high-throughput motion without exceeding normal winding or bearing limits. Dynamic response is influenced by a rotor inertia of 0.09 × 10⁻⁴ kg·m², which supports quick acceleration and stable control. The motor has a total mass of 1.2 kg, reducing the load applied to slides, brackets, or robot joints. Its torque constant is 0.62 Nm/A, showing the amount of torque produced per ampere of phase current. A minimum service life of 20,000 hours is expected when temperature, load, and lubrication remain within the recommended range.
