SM-Series Slotless Stator Brushless Servo Motors | Parker NA

SM-Series Slotless Stator Brushless Servo Motors

Available in NEMA 16 and 23 frame sizes, SM motors incorporate a slotless stator and 4-pole design allowing it to operate smoothly with zero detent torque and be driven at very high speeds. Parker can provide custom modifications to all SM motors.

Use our configurator to build the right part for your application.
    The SM series of brushless servo motors from Parker features a slotless stator design. This design eliminates all detent torque in the motor allowing the SM Series motors to provide exceptionally smooth motion, especially at low speeds.

    • High-performance Neodymium magnets
    • Available in NEMA16 and 23 frame sizes
    • Continuous Stall Torques : 0.09 Nm to 1.26 Nm (0.8in-lbs to 11.3 in-lbs)
    • Peak Torque Ratings : 0.28 Nm to 3.8 Nm (2.5 in-lbs to 33.8 in-lbs)
    • Rated Speed : 6000 RPM to 7500 RPM
    • Feedback Options : 1000 Line Encoder, 5000 Line Encoder, Resolver
    • Thermostat Protected
    • Slotless design - zero detent torque, zero torque ripple
    • Higher rotor inertia is ideal for applications involving high inertia loads
    • IP Rating : IP40 and IP65
    • CE
    • Best-in-class lead-time, two year warranty
    • Compatible with Parker Compax3 and Aries series servo drives                                                                                                                                                        

    Parker will customize any SM motor to meet your specific system requirements.  We are specialists at doing customs, offering unrivaled custom motor solutions and support.

Performance Characteristics

Frame Size


Continuous Torque (Nm)

0.09 - 1.26

Continuous Torque (in-lbs)

0.8 - 11.3

Peak Torque (Nm)

0.28 - 3.78

Peak Torque (in-lbs)

2.5 - 33.8

Rated Speed (RPM)

up to 7500

Input Supply Voltage

120VAC | 230VAC | 80VDC

Feedback Device

Resolver | 1000 ppr Incremental Encoder | 5000 ppr Incremental Encoder

Parker Drive Compatibility

Compax3 | ARIES


CE marked

IP Rating

IP40 | IP65 (option)

Holding Brake

Optional (SM23 only)

Cooling Method

Air-Cooled / Natural Convection

Shaft Type

Smooth | Flat | Keyway | Extended Length

Custom Versions Available


Contact Us

Electromechanical and Drives Division
North America
9225 Forsyth Park Drive
United States
Phone 800-358-9070
Fax  707-584-8015