2.22 in. (56.4mm) 2-Phase Bipolar Stepper Motor, Holding Torque = 187 oz-in (1.32 N·m) - PKP266MD28AA

Product specifications for PKP266MD28AA

The PKP266MD28AA specifies: The high-torque PKP series stepper motor offers balanced performance enhanced by high torque, low vibration and low noise., Bipolar Winding, Motor cable required* (sold separately),

Motor Type	- 2-Phase
Basic Step Angle	- 0.9º
Frame Size	- 2.22 in, 56.4 mm
Motor Length	- 2.13 in., 54 mm
Holding Torque	- 187 oz-in, 1.32 N·m
Current per Phase (A/phase)	- 2.8
Voltage (VDC)	- 2.8
Resistance (Ω/phase)	- 1
Inductance (mH/phase)	- 3.9
Shaft/Gear Type	- Round Shaft with Flat (No Gearhead)
Output Shaft Diameter	- 1/4 in.
Shaft	- Single
Encoder	- Not Equipped
Motor Connection Type	- Connector
Connection Type	- Bipolar
Lead Wires	- 4
Rotor Inertia	- 1.59 oz-in², 290x10-7 kg·m²
RoHS Compliant	- Yes
Insulation Class	- Class B [266ºF (130ºC)]
Insulation Resistance	- 100 MΩ or more when 500 VDC megger is applied between the windings and the case under normal ambient temperature and humidity.
Dielectric Strength	- Sufficient to withstand 1.0 kVAC at 50 Hz or 60 Hz applied between the windings and the case for 1 minute under normal ambient temperature and humidity.
Temperature Rise	- Temperature rise of the windings is 144ºF (80ºC) or less measured by the change resistance method. (at rated voltage, at standstill, 2 phases energized)
Ambient Temperature Range	- 14 ~ 122ºF (-10 ~ 50ºC) (non-freezing)
Ambient Humidity	- 85% or less (Non-condensing)
Shaft Runout	- 0.05 mm (0.002 in.) T.I.R.
Step Accuracy	- ±3 arc minutes (±0.05º)
Radial Load	- 0 in. from Shaft End = 11 lb, 0.2 in. from Shaft End = 13.5 lb, 0.39 in. from Shaft End = 17.7 lb, 0.59 in. from Shaft End = 24 lb, 0 mm from Shaft End = 49 N, 5 mm from Shaft End = 60 N, 10 mm from Shaft End = 79 N, 15 mm from Shaft End = 110 N
Axial Load	- 4.5 lb, 20 N
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.)
Concentricity	- 0.075 mm (0.003 in.) T.I.R.
Perpendicularity	- 0.075 mm (0.003 in.) T.I.R.