Product Description:

The SF-A3.0068.060-10.050 is a servo motor produced by Bosch Rexroth Indramat within the SF Servo Motors series. Designed for dynamic positioning stages and compact pick-and-place axes, the unit converts drive current into controlled mechanical rotation for closed-loop industrial automation and repeatable motion control. Heat generated by the stator is removed through radiation and natural convection, so no external blower is required. An array of integrated thermistors monitors winding temperature for safe derating or shutdown. A smooth shaft with a 19 x 40 mm journal provides a direct coupling surface for precision couplings or timing pulleys without the constraints of keyways.

The motor has a rated speed of 6000 rpm, allowing high linear throughput when paired with ball screws or belt drives. Starting from standstill, the drive may see a locked-rotor current of 8.5 A, producing a locked-rotor torque of 6.6 Nm; these figures indicate the peak demand on the inverter and the breakaway load the motor can overcome. Once in motion, torque scales with phase current according to a constant of 0.77 Nm/A, which links commanded current directly to load torque. The housing is sealed to IP67, so it resists dust ingress and temporary liquid immersion for use on washdown lines. These ratings apply under passive cooling conditions.

A mounting flange of 116 mm aligns with ISO square patterns in medium-frame machinery and supports accurate attachment to mating surfaces. The overall body length is 255 mm, measured without a brake module, so the motor can fit shallow machine spaces. The rotor carries an inertia of 11 × 10⁻⁴ kg·m², which helps balance quick acceleration with stable low-speed control in indexing cycles. The motor has a total mass of 9.0 kg, which limits the moving load on axes that carry the motor. The listed envelope and inertia values are useful when checking available space around couplings, guards, and mounting plates.