1.97 in. (50 mm) PKP Series 2-Phase Bipolar Stepper Motors

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

1.97 in. (50 mm) Frame Size
2-phase, Bipolar
Current per Phase = 2.8 A
Single or Double Shaft
Encoder models available
Max. Holding Torque = 89 ~ 280 oz-in (0.63 ~ 1.99 N·m)

Unit of Measure

Items	PKP254D28AA2 1.97 in. (50mm) 2-Phase Bipolar Stepper Motor Web Price $69.00	PKP254D28BA2 1.97 in. (50mm) 2-Phase Bipolar Stepper Motor Web Price $72.00	PKP256D28AA2 1.97 in. (50mm) 2-Phase Bipolar Stepper Motor Web Price $77.00	PKP256D28BA2 1.97 in. (50mm) 2-Phase Bipolar Stepper Motor Web Price $83.00	PKP258D28AA2 1.97 in. (50mm) 2-Phase Bipolar Stepper Motor Web Price $95.00
Return Policy	- This product cannot be cancelled or returned once the order has been processed.
Basic Step Angle	- 1.8º
Frame Size	- 1.97 in
Motor Length	- 1.54 in.	- 1.54 in.	- 2.03 in.	- 2.03 in.	- 3.19 in.
Holding Torque	- 89 oz-in	- 89 oz-in	- 153 oz-in	- 153 oz-in	- 280 oz-in
Current per Phase (A/phase)	- 2.8
Voltage (VDC)	- 1.5	- 1.5	- 2	- 2	- 3.1
Resistance (Ω/phase)	- 0.55	- 0.55	- 0.7	- 0.7	- 1.1
Inductance (mH/phase)	- 1.1	- 1.1	- 1.6	- 1.6	- 2.8
Shaft/Gear Type	- Round Shaft with Flat (No Gearhead)
Gear Ratio (X:1)	-
Output Shaft Diameter	- 1/4 in.
Backlash	-
Shaft	- Single	- Double	- Single	- Double	- Single
Encoder	- Not Equipped
Encoder Output	-
Output Type	-
Electromagnetic Brake	- Not Equipped
Motor Connection Type	- Flat Connector
Connection Type	- Bipolar
Lead Wires	- 4
Rotor Inertia	- 0.66 oz-in²	- 0.66 oz-in²	- 1.2 oz-in²	- 1.2 oz-in²	- 2.5 oz-in²
Radial Load	- 0 in. from Shaft End = 12.1 lb0.2 in. from Shaft End = 15 lb0.39 in. from Shaft End = 20 lb0.59 in. from Shaft End = 29.2 lb
Axial Load	- 4.5 lb
Brake Type	-
Brake Power Supply	-
Excitation Current	-
Static Friction Torque	-