SR-A3.0068.060-14.000 Bosch Rexroth Indramat
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MPN: R911076657
The Bosch Rexroth Indramat SR-A3.0068.060-14.000 is part of the SR Synchronous Servo Motors series and features a resolver encoder with a resolution of 8192 increments per revolution. This servo motor has a flange size of 116 millimeters, a rated speed of 6000 rpm, and provides a holding torque of 10.0 Newton-meters. It has IP67 protection except for the output flange and weighs 9.0 kilograms without the brake.
Internal Product Review
The SR-A3.0068.060-14.000 is a Bosch Rexroth Indramat synchronous servo motor with a resolver encoder and 8192 incr./rev. feedback resolution. IP67 protection and a 6000 min^-1 rated speed make the unit well suited for fast, dependable service in demanding machinery. A 10.0 Nm holding torque is a strong finishing detail for precise axis retention.
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Product Description:
The SR-A3.0068.060-14.000 servo motor is produced by Bosch Rexroth Indramat within the SR Synchronous Servo Motors series. As a compact rotary actuator for industrial automation, it converts drive current into precise shaft motion for positioning or velocity-control tasks on packaging, assembly, and material-handling modules. The motor integrates resolver feedback, an electromagnetic holding brake for static loads, and a sealed housing that permits use outside control cabinets in washdown or dusty production zones.
The electrical section is rated for a speed of 6000 rpm, allowing close matching with high-speed spindle or conveyor profiles. Torque rises proportionally with current, with a torque constant of 0.77 Nm/A, so closed-loop drives can predict load response accurately. Position data is returned through a resolver that the drive interprets at an effective resolution of 8192 incr./rev., supporting fine incremental moves without an optical encoder. Environmental exposure is limited by a housing classified as IP67, excluding the output flange, so the motor can withstand temporary immersion or aggressive wash sprays on the wiring side. During startup, the windings can accept a locked-rotor current of 8.5 A to overcome static friction, while the brake draws 0.66 A from a 24 VDC ±10% source for secure holding during power loss.
A holding torque of 10.0 Nm at 120 °C prevents axial drift when the shaft is stopped. The square mounting face uses a flange dimension of 116 mm, and the keyed shaft measures Ø19 × 40 mm for direct coupling to gearboxes or pulleys. Dynamic behavior is influenced by a rotor inertia of 11 × 10⁻⁴ kg·m², which helps keep acceleration cycles short without overshoot. Overall mass is limited to 9.0 kg, and the maximum body length without the brake reaches 255 mm, which helps with installation in compact servo axes.
