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 oz-in (1.8 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
 Stepper Motor
PKP243D23M2
1.65 in. (42 mm) PKP Series 2-Phase Bipolar Stepper Motor
Web Price $174.00
 Stepper Motor
PKP244D23M2
1.65 in. (42 mm) PKP Series 2-Phase Bipolar Stepper Motor
Web Price $176.00
Basic Step Angle - 1.8º
Frame Size - 1.65 in - 2 in - 2 in - 1.65 in - 1.65 in
Motor Length - 0.67 in. - 1.16 in. - 1.16 in. - 1.3 in. - 1.54 in.
Holding Torque - 14.2 oz-in - 255 oz-in - 339 oz-in - 49 oz-in - 68 oz-in
Current per Phase (A/phase) - 2.3
Voltage (VDC) - 1.4 - 1.4 - 1.4 - 1.8 - 2.1
Resistance (Ω/phase) - 0.61 - 0.61 - 0.61 - 0.78 - 0.93
Inductance (mH/phase) - 0.53 - 0.53 - 0.53 - 1.4 - 1.9
Shaft/Gear Type - Round Shaft with Flat (No Gearhead) - Flat Harmonic Gear - Flat Harmonic Gear - Round Shaft with Flat (No Gearhead) - Round Shaft with Flat (No Gearhead)
Gear Ratio (X:1) - - 50 :1 - 100 :1 - -
Output Shaft Diameter - 5 mm - - - 5 mm - 5 mm
Backlash -
Shaft - Single
Encoder - Not Equipped
Encoder Output -
Output Type -
Electromagnetic Brake - Not Equipped - Not Equipped - Not Equipped - Equipped - 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 - 0.26 oz-in² - 0.38 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 - - - 0 in. from Shaft End = 7.8 lb0.2 in. from Shaft End = 9.9 lb0.39 in. from Shaft End = 13 lb0.59 in. from Shaft End = 19.1 lb - 0 in. from Shaft End = 7.8 lb0.2 in. from Shaft End = 9.9 lb0.39 in. from Shaft End = 13 lb0.59 in. from Shaft End = 19.1 lb
Axial Load - 1.12 lb - 45 lb - 45 lb - 3.3 lb - 3.3 lb
Brake Type - - - - Power Off Activated Type - Power Off Activated Type
Brake Power Supply - - - - 24 VDC ± 5% - 24 VDC ± 5%
Excitation Current - - - - 0.07 - 0.07
Static Friction Torque - - - - 42 oz-in - 42 oz-in