Oriental Motor

ORIENTAL MOTOR U.S.A. Corp.
570 Alaska Avenue
Torrance, CA 90503
1-800-GO-VEXTA (468-3982)

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The high-torque PKP series stepper motor offers balanced performance enhanced by high torque, low vibration and low noise.

  • 0.51 in. (13 mm) Frame Size
  • 2-phase, Bipolar
  • Current per Phase = 0.6 A
  • Single or Double Shaft
  • Geared type available
  • Max. Holding Torque
    • Round Shaft Type = 1.06 oz-in (0.0075 N·m)
    • Geared Type = 8.5 ~ 21.24 oz-in (0.06 ~ 0.15 N·m)
Stepper Motor
Unit of Measure
Items Stepper Motor
PKP203D06A2
0.51 in. (13 mm) PKP Series 2-Phase Bipolar Stepper Motor
Web Price $204.00
 Stepper Motor
PKP203D06B2
0.51 in. (13 mm) PKP Series 2-Phase Bipolar Stepper Motor
Web Price $206.00
 Stepper Motor
PKP203D06A2-H30
0.51 in. (13 mm) PKP Series 2-Phase Bipolar Harmonic Gear Stepper Motor (Gear Ratio: 30:1)
Web Price $1,898.00
 Stepper Motor
PKP203D06A2-H50
0.51 in. (13 mm) PKP Series 2-Phase Bipolar Harmonic Gear Stepper Motor (Gear Ratio: 50:1)
Web Price $1,898.00
 Stepper Motor
PKP203D06A2-H100
0.51 in. (13 mm) PKP Series 2-Phase Bipolar Harmonic Gear Stepper Motor (Gear Ratio: 100:1)
Web Price $1,898.00
Step Angle - 1.8 ° - 1.8 ° - 0.06 ° - 0.036 ° - 0.018 °
Frame Size - 0.51 in
Motor Length - 1.2 in. - 1.2 in. - 1.63 in. - 1.63 in. - 1.63 in.
Type - Standard - Standard - Geared - Geared - Geared
Holding Torque - 1.06 oz-in - 1.06 oz-in - 8.5 oz-in - 15.58 oz-in - 21.24 oz-in
Current per Phase (A/phase) - 0.6
Voltage (VDC) - 1.7
Resistance (Ω/phase) - 2.8
Inductance (mH/phase) - 1
Shaft/Gear Type - Round Shaft (No Gearhead) - Round Shaft (No Gearhead) - Harmonic Gear - Harmonic Gear - Harmonic Gear
Gear Ratio (X:1) - - - 30 :1 - 50 :1 - 100 :1
Output Shaft Diameter - 3 mm - 3 mm - 3.5 mm - 3.5 mm - 3.5 mm
Backlash -
Lost Motion - - - 1.5 arc min (max) - 1.5 arc min (max) - 1.5 arc min (max)
Shaft - Single - Double - Single - Single - Single
Encoder - Not Equipped
Motor Connection Type - Connector
Connection Type - Bipolar
Lead Wires - 4
Rotor Inertia - 0.002 oz-in² - 0.002 oz-in² - 0.003 oz-in² - 0.003 oz-in² - 0.003 oz-in²
Radial Load - 0 in. from Shaft End = 1.12 lb0.2 in. from Shaft End = 1.35 lb - 0 in. from Shaft End = 1.12 lb0.2 in. from Shaft End = 1.35 lb - 0 in. from Shaft End = 6.3 lb0.2 in. from Shaft End = 8.1 lb - 0 in. from Shaft End = 6.3 lb0.2 in. from Shaft End = 8.1 lb - 0 in. from Shaft End = 6.3 lb0.2 in. from Shaft End = 8.1 lb
Axial Load - 0.225 lb - 0.225 lb - 9 lb - 9 lb - 9 lb
Permissible Moment Load -
Brake Type -
Brake Power Supply -
Excitation Current -
Static Friction Torque -