1.65 in. (42 mm) 5-Phase Stepper Motor - PK544BW-N7.2

Product specifications for PK544BW-N7.2

The PK544BW-N7.2 specifies: High-performance stepper motor offers superior performance with a Planetary (PN) gear, highest permissible torque, high resolution, non backlash (3 Arc minutes) and smooth low-speed rotation. Motor has strain relief and covered lead wire assembly.,

Frame Size	- 1.65 in, 42 mm
Motor Length	- 2.8 in., 71 mm
Basic Step Angle	- 0.72º
Speed-Torque Characteristics	-
Holding Torque
Holding Torque	- 170 oz-in, 1.2 N·m
Current per Phase	- 0.75 A/phase
Type	- Geared
Shaft/Gear Type	- Planetary Gear
Gear Ratio (X:1)	- 7.2 :1
Gear Type	- Planetary, Non Backlash (3 arc min), Centered Shaft
Backlash	- 1º or less (reference value)
Motor Connection Type	- Flying Leads
Shaft	- Double
Step Angle	- 0.10 °
Connection Type	- New Pentagon (Bipolar)
Lead Wires	- 5
Rotor Inertia	- 0.3 oz-in², 54x10-7 kg·m²
RoHS Compliant	- Yes
Safety Standards	- UL, CSA, CE
Insulation Resistance	- 100 MΩ minimum under normal temperature and humidity, when measured by a 500 VDC megger between the windings and the motor casing.
Dielectric Strength	- Sufficient to withstand 1.0 kV, 50 Hz or 60 Hz applied for one minute between the windings and casing, under normal temperature and humidity.
Temperature Rise	- Temperature rise of the coil measured by the Change Resistance Method is 176ºF (80ºC) or less (at rated current, at standstill, five phases energized).
Insulation Class	- Class B [266ºF (130ºC)], Recognized as Class A 221ºF (105ºC) by UL standard
Ambient Temperature Range	- 14ºF ~ 122ºF (-10ºC ~ 50ºC) (nonfreezing)
Ambient Humidity	- 85% or less (noncondensing)
Shaft Runout	- 0.002 in. (0.05 mm) T.I.R. at top of output shaft
Concentricity	- 0.003 in. (0.075 mm) T.I.R.
Perpendicularity	- 0.003 in. (0.075 mm) T.I.R.
Radial Play	- 0.001 in. (0.025 mm) max. of 1.12 lb. (5 N)
Axial Play	- 0.003 in. (0.075 mm) max. of 2.2 lb. (10 N)
Radial Load	- 0 in. from Shaft End = 22 lb, 0.2 in. from Shaft End = 27 lb, 0.39 in. from Shaft End = 33 lb, 0.59 in. from Shaft End = 42 lb, 0 mm from Shaft End = 100 N, 5 mm from Shaft End = 120 N, 10 mm from Shaft End = 150 N, 15 mm from Shaft End = 190 N
Axial Load	- 22 lb, 100 N