SR-A2.0041.060-10.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SR-A2.0041.060-10.000 is part of the SR Synchronous Servo Motors series and features natural convection cooling and a 100 mm flange size. This servo motor has a resolver encoder type with ±10 arcminute accuracy and 8192 increments per revolution, and weighs 7.1 kilograms. It delivers a rated speed of 6000 rpm, locked-rotor torque of 4.0 Nm, and is equipped with dual NTC temperature sensors.
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Product Description:
The SR-A2.0041.060-10.000 is a synchronous servo motor manufactured by Bosch Rexroth Indramat for the SR Synchronous Servo Motors series. This motor is intended for demanding position and velocity control tasks in industrial automation, where responsive dynamic behavior and repeatable motion profiles are required. A resolver mounted on the shaft supplies feedback to the drive controller, allowing closed-loop regulation of torque and speed in assembly lines, packaging stations, and electronic component handling equipment.
The motor reaches a rated speed of 6000 rpm, enabling fast cycle times when coupled to high-ratio gear stages or direct-drive assemblies. Electromagnetic conversion efficiency is represented by a torque constant of 0.73 Nm/A; each ampere of phase current therefore produces nearly three-quarters of a newton-meter. During startup, the winding can accept 5.6 A, and this locked-rotor current generates a stall torque of 4.0 Nm to overcome static friction in linear actuators or indexing tables. The combined rotor and encoder inertia is only 6 × 10⁻⁴ kg·m², so acceleration transients remain short and control loops stay responsive. A square flange measuring 100 mm follows IEC dimensional rules, simplifying attachment to gearboxes, spacers, or machine frames without additional adapters.
The motor body weighs 7.1 kg and has an overall length of 233 mm. It is supplied without a holding brake, allowing compact installation inside multi-axis gantries where an external holding mechanism is available when required. Output power is transferred through a precision shaft measuring Ø14 × 30 mm, which supports keyed or clamped couplings. Heat is removed by natural convection, eliminating the need for forced-air ducting in enclosed installations. The IM B5 mounting interface provides a rigid, face-mounted connection that resists misalignment under operating loads. Two NTC temperature sensors monitor the windings for excessive heat. The resolver provides positional accuracy of ±10 arc-minutes and 8,192 increments per revolution, supporting high-resolution interpolation in digital servo drives.
