HT08-221 - NEMA 8 High Torque Step Motor

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HT08-221 - NEMA 8 High Torque Step Motor

The HT08-221 two-phase stepper motor is suitable for a wide range of motion control applications.
Wire lead tail included for the 6-pin connector on the motor.

2-phase hybrid step motor
High torque design
Standard NEMA 8 dimensions

Company Applied Motion
Part Number ht08_221_nema_8_high_torque
Bipolar Holding Torque 4.53 oz-in
Bipolar Parallel Current 0.35 A/phase
Bipolar Parallel Inductance 7.9 mH/phase
Bipolar Parallel Resistance 20.3 Ohms/phase
Concentricity 03 inches
End Play 03 inch max w/ 1.1 lb load
Frame Size NEMA 8
Insulation Class Class B (130 C)
Integral Gearhead No
Lead Wire Cable Length 18 inches
Lead Wire Configuration flying leads, no connector
Lead Wire Gauge 26 AWG
Maximum Radial Load 1.80 lbs
Maximum Thrust Load 0.67 lbs
Motor Length 1.85 inches
Motor Type High torque
Number Of Lead Wires 4
Operating Temperature -20 to 50 C
Part Number HT08-221
Part Number w/Double Shaft  HT08-221D
Perpendicularity 04 inches
Radial Play 01 inch max w/ 1.1 lb load
Rotor Inertia 5.95E-05 oz-in-sec2
Shaft Diameter 4 mm (0.157 inch)
Shaft Run Out 01 inch T.I.R. max
Step Angle 1.8 deg
Storage Temperature -30 to 70 C

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