SG-A2.027.049-00.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SG-A2.027.049-00.000 is a brushless servo motor from the SG Synchronous Servo Motors series with a nominal speed of 4800 rpm and a static torque of 2.6 Nm. It features a resolver for rotor orientation, a flange size of 100 mm, and an IP65 protection category. The motor uses SmCo magnet material, operates in ambient temperatures from 0 to 40 °C, and includes a shaft with keyway and featherkey measuring 19 mm by 40 mm.
Internal Product Review
The SG-A2.027.049-00.000 is a brushless servo motor with IP65 protection. Resolver feedback for rotor orientation and spindle speed pairs well with the 4800 rpm nominal speed, giving servo axes clean and responsive control. A strong Bosch Rexroth Indramat selection for machine builds that demand precise motion performance.
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Product Description:
The SG-A2.027.049-00.000 is a brushless servo motor produced by Bosch Rexroth Indramat for the SG Synchronous Servo Motors series. Intended for industrial automation, the unit drives compact axes that demand precise velocity regulation and quick positioning. A resolver mounted on the rotor supplies electrical angle data to the drive controller, allowing closed-loop control of spindle speed and orientation during machining, pick-and-place, or packaging tasks.
The motor reaches a nominal speed of 4800 rpm, providing fast traverse rates when paired with low-ratio gear stages. At standstill, it can deliver 2.6 Nm of static torque, while a continuous current of 6.8 A keeps that torque available without causing thermal overload. The circular flange has a diameter of 100 mm and is manufactured to Accuracy N tolerances for repeatable mounting. An enclosure rating of IP 65 protects the stator against dust ingress and water jets. The shaft has dimensions of 19 mm × 40 mm and includes a keyed seat that complies with DIN 6885, allowing couplings to transfer torque without slipping. Cooling relies on thermal radiation and natural convection, eliminating the need for forced airflow. The IM B5 design permits installation in the vertical V1 or V3 orientation when required. Connector terminals accept conductors with a cross-sectional area of 1.5 mm², and vibration severity is limited to Grade N.
The permanent-magnet field uses SmCo (samarium-cobalt), which resists demagnetization at elevated winding temperatures. The motor uses Class F insulation to withstand the permitted thermal load during continuous operation. The operating temperature range is 0 to 40 °C, allowing the motor to run in most factory environments without external cooling equipment. The housing does not include a holding brake, so gravity-loaded applications require a balanced load or a separate mechanical clamp. Adequate clearance around the housing must be maintained so heat can dissipate effectively in every permitted mounting position.
