Linear stepper motor which named Nema 17 non-captive linear actuator, the motor part is 34mm 1.8 degree 1.33A Nema 17 stepper motor. It was integrated with 152mm Tr63317 threaded rod and a POM screw nut move along the threaded rod.
 
Electrical Specification : 
Manufacturer Part Number: 17HS1070-152T63317
Motor Type: Non-captive Stepper motor
Step Angle: 1.8 deg
Holding Torque: 28Ncm
Rated Current/phase: 1.2A
Phase Resistance: 30ohms
Voltage: 2.8V
Inductance: 37mH ± 20%(1KHz)

Physical Specification :
Frame Size: 42x 42mm
Body Length: 34mm
Lead Screw Length: 152m
Lead Screw Diameter: 6.35mm
Lead /Step: 0.015875mm
Pitch: 1.5875mm
Lead/Revolution: 3.175mm 
Number of Leads: 2
Lead Length: 152mm
Weight : 0.25g