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

  • 1.65 in. (42 mm) Frame Size
  • Flat Motor Type
  • 2-phase, Bipolar
  • Current per Phase = 2.3 A
  • Max. Holding Torque:
      • Round Shaft Type = 14.2 oz-in (0.1 N·m)
      • Gear Type = 255 ~ 355 oz-in (1.8 ~ 2.4 N·m)
Stepper Motor
Unit of Measure
Items Stepper Motor
PKP242D23A2
1.65 in. (42 mm) PKP Series 2-Phase Bipolar Stepper Motor
Web Price $84.00
 Flat Stepper Motor with Gear
PKP242D23A2-H50
2 in. (51 mm) PKP Series 2-Phase Flat Harmonic Gear Bipolar Stepper Motor (Gear Ratio: 50:1)
Web Price $919.00
 Flat Stepper Motor with Gear
PKP242D23A2-H100
2 in. (51 mm) PKP Series 2-Phase Flat Harmonic Gear Bipolar Stepper Motor (Gear Ratio: 100:1)
Web Price $919.00
 Flat Stepper Motor with Gear
PKP242D23A2H50R3F
2 in. (51 mm) PKP Series 2-Phase Flat Harmonic Gear Bipolar Stepper Motor with Encoder (Gear Ratio: 50:1)
Web Price $1,017.00
 Flat Stepper Motor with Gear
PKP242D23A2H100R3E
2 in. (51 mm) PKP Series 2-Phase Flat Harmonic Gear Bipolar Stepper Motor with Encoder (Gear Ratio: 100:1)
Web Price $1,017.00
Step Angle - 1.8 ° - 1.8 ° - 1.8 ° - 0.036 ° - 0.018 °
Frame Size - 1.65 in - 2 in - 2 in - 2 in - 2 in
Motor Length - 0.67 in. - 1.16 in. - 1.16 in. - 1.69 in. - 1.69 in.
Type - Flat - Geared - Geared - Geared - Geared
Holding Torque - 14.2 oz-in - 255 oz-in - 339 oz-in - 255 oz-in - 339 oz-in
Current per Phase (A/phase) - 2.3
Voltage (VDC) - 1.4
Resistance (Ω/phase) - 0.61
Inductance (mH/phase) - 0.53
Shaft/Gear Type - Round Shaft with Flat (No Gearhead) - Flat Harmonic Gear - Flat Harmonic Gear - Flat Harmonic Gear - Flat Harmonic Gear
Gear Ratio (X:1) - - 50 :1 - 100 :1 - 50 :1 - 100 :1
Output Shaft Diameter - 5 mm - - - -
Backlash -
Shaft - Single
Encoder - Not Equipped - Not Equipped - Not Equipped - Equipped - Equipped
Encoder Output - - - - 400 P/R, 3-Channel - 200 P/R, 3-Channel
Output Type - - - - Voltage (TTL equivalent) - Voltage (TTL equivalent)
Electromagnetic Brake - Not Equipped
Motor Connection Type - Flat Connector
Connection Type - Bipolar
Lead Wires - 4
Rotor Inertia - 0.71 oz-in² - 0.092 oz-in² - 0.092 oz-in² - 0.098 oz-in² - 0.098 oz-in²
Radial Load - 0 in. from Shaft End = 4.5 lb0.2 in. from Shaft End = 5.6 lb0.39 in. from Shaft End = 7.6 lb - - - -
Axial Load - 1.12 lb - 45 lb - 45 lb - 45 lb - 45 lb
Permissible Moment Load - - - - 75.23 lb-in - 75.23 lb-in
Brake Type -
Brake Power Supply -
Excitation Current -
Static Friction Torque -