| Items |
 PKP254D28AA2 1.97 in. (50mm) 2-Phase Bipolar Stepper Motor Web Price $69.00
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PKP254D28BA2 1.97 in. (50mm) 2-Phase Bipolar Stepper Motor Web Price $72.00
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PKP256D28AA2 1.97 in. (50mm) 2-Phase Bipolar Stepper Motor Web Price $77.00
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PKP256D28BA2 1.97 in. (50mm) 2-Phase Bipolar Stepper Motor Web Price $83.00
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PKP258D28AA2 1.97 in. (50mm) 2-Phase Bipolar Stepper Motor Web Price $95.00
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| Return Policy | This product cannot be cancelled or returned once the order has been processed. | |||||||||
| Basic Step Angle | 1.8º | |||||||||
| Frame Size | 1.97 in50 mm | |||||||||
| Motor Length | 1.54 in.39 mm | 1.54 in.39 mm | 2.03 in.51.5 mm | 2.03 in.51.5 mm | 3.19 in.81 mm | |||||
| Holding Torque | 89 oz-in0.63 N·m | 89 oz-in0.63 N·m | 153 oz-in1.08 N·m | 153 oz-in1.08 N·m | 280 oz-in1.99 N·m | |||||
| 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-in²120x10-7 kg·m² | 0.66 oz-in²120x10-7 kg·m² | 1.2 oz-in²220x10-7 kg·m² | 1.2 oz-in²220x10-7 kg·m² | 2.5 oz-in²450x10-7 kg·m² | |||||
| 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 lb0 mm from Shaft End = 54 N5 mm from Shaft End = 67 N10 mm from Shaft End = 89 N15 mm from Shaft End = 130 N | |||||||||
| Axial Load | 4.5 lb20 N | |||||||||
| Brake Type | ||||||||||
| Brake Power Supply | ||||||||||
| Excitation Current | ||||||||||
| Static Friction Torque | ||||||||||
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