The PKP Series high-performance stepper motor offers superior performance, high torque while providing low vibration and low noise. Basic step angle is 0.72° (500 steps per rev). DC Driver input type motor only.

Frame Size

42 mm

Motor Length

39 mm

Basic Step Angle


Holding Torque

0.3 N·m

Current per Phase

1.8 A/phase



Shaft/Gear Type

Round Shaft with Flat (No Gearhead)

Gear Type

No Gearhead

Motor Connection Type

Flat Connector



Output Shaft


Output Shaft Diameter

5 mm

Step Angle

0.72 °

Connection Type

New Pentagon (Bipolar)

Lead Wires


Rotor Inertia

55×10-7 kg·m²

RoHS Compliant

These products do not contain substances that exceed the regulation values in the RoHS Directive.

Safety Standards


Insulation Resistance

100 M Ω or more when 500 VDC megger is applied between the windings and the case under normal ambient temperature and humidity.

Dielectric Strength

No abnormalities are observed, even when applying voltage between the windings and the case for 1 minute under normal ambient temperature and humidity with the following conditions. 0.5 kVAC 50/60 Hz

Temperature Rise

Winding temperature rise 176°F (80°C) max.

Ambient Temperature Range

14 ~ 122°F (-10 ~ 50°C) (non-freezing)

Ambient Humidity

85% or less (Non-condensing)

Shaft Runout

0.05 mm (0.002 in.) T.I.R.


0.075 mm (0.003 in.) T.I.R.


0.075 mm (0.003 in.) T.I.R.

Radial Play

0.025 mm (0.001 in.) maximum of 5 N (1.12 lb.)

Axial Play

0.075 mm (0.003 in.) maximum of 10 N (2.2 lb.)

Radial Load

0 mm from Shaft End = 35 N5 mm from Shaft End = 44 N10 mm from Shaft End = 58 N15 mm from Shaft End = 85 N

Axial Load

15 N