This Kollmorgen P22NRXB-LNN-NS-00 Powermax II stepper motor is a 2-phase National Electrical Manufacturers Association (NEMA) 23 electronic component motor with 214 oz.-in. holding torque. This brushless, maintenance-free stepper motor has oversized 30-mm bearings to provide up to 10,000 hours of bearing life and extend the life of the motor. The stepper motor is equipped with an integral connector. The leads can be wired as bipolar series, bipolar parallel, or unipolar. The stepper motor is UL Recognized and CE compliant. Specifications for model P22NRXB-LNN-NS-00Frame sizeNEMA 23Phases2Length option2 stacksTerminationIntegral ConnectorWinding typeBFull step1.8 degrees ±3.0%/200 steps per revolutionMaximum shaft load rating (radial/axial)20 lb. @ shaft center/13 lb. toward motorThermal resistance4.5 degrees C per wattInsulationNEMA Class B, 130 degrees CInsulation resistance100 megaohms at 500 VDC, 25 degrees CShaft dimensions0.25 x 0.81 inches/6.35 x 20.60 mm (Dia. x L)Overall length3.10 inches/78.7 mmWeight2.5 lb.Kollmorgen Stepper Motor ComparisonPart NumberShaft ModificationRotor Inertia (oz-in-s2)Holding Torque (oz-in)Current (A), Bipolar SeriesResistance (ohms), Bipolar SeriesInductance (mH), Bipolar SeriesP22NRXB-LNN-NS-00 (this model)Smooth0.00362142.31.528.4P2HNRXB-LNN-NS-00Smooth0.001592.60.91.9P2HNRXF-LNF-NS-00Flat0.001600.87.6820.4P2HNRXC-LNN-NS-00Smooth0.001611.253.369.2P21NRXD-LNN-NS-00Smooth0.00171090.7610.441.2P21NRXC-LNF-NS-00Flat0.00171161.752.129.2P21NRXC-LNN-NS-00Smooth0.00171161.752.129.2M21NRXC-LNN-NS-00Smooth0.00171441.752.128P22NRXA-LNN-NS-00Smooth0.00361973.30.843.2P22NRXD-LNN-NS-00Smooth0.00362031.254.8824.8P22NRXB-LNF-NS-00Flat0.00362142.31.528.4M22NRXA-LNF-NS-00Flat0.00362303.30.842.8M22NRXB-LNN-NS-00Smooth0.00362532.31.526.8
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