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  • Nema 8 Stepper Motor Bipolar L=38mm w/ Gear Raio 90:1 Planetary Gearbox Nema 8 Stepper Motor Bipolar L=38mm w/ Gear Raio 90:1 Planetary Gearbox

Nema 8 Stepper Motor Bipolar L=38mm w/ Gear Raio 90:1 Planetary Gearbox

SKU: 8HS15-0604S-PG90


Availability: Out of Stock

Backorder within 15 ~ 25 days
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This Nema 8 stepper motor with 38mm body and 0.6A rated current, integrated a Planetary gearbox of 90.25:1 gear ratio. It's a good solution to applications that with limited space but need low speed and/or high torque.

Electrical Specification

  • Manufacturer Part Number: 8HS15-0604S-PG90
  • Motor Type: Bipolar Stepper
  • Step Angle: 0.02 deg
  • Holding Torque without Gearbox: 4Ncm(5.66oz.in)
  • Rated Current/phase: 0.6A
  • Voltage: 6V
  • Phase Resistance: 10ohms
  • Inductance: 5.5mH ± 20%(1KHz)

Gearbox Specifications

  • Gearbox Type: Planetary
  • Gear Ratio: 90.25: 1
  • Efficiency: 73%
  • Backlash at No-load: <=1 deg
  • Max.Permissible Torque: 0.9Nm(127.5oz.in)
  • Moment Permissible Torque: 2Nm(283oz.in)
  • Shaft Maximum Axial Load: 5N
  • Shaft Maximum Radial Load: 25N

Physical Specifications

  • Frame Size: 22 x 22mm
  • Motor Length: 38mm
  • Gearbox Length: 30.95mm
  • Shaft Diameter: Φ6mm
  • Shaft Length: 15mm
  • D-cut Length: 9mm
  • Number of Leads: 4
  • Lead Length: 300mm
  • Weight: 130g



Custom Options

As a specialist of stepper motor, we can offer various custom options, please submit the Inquiry Form to tell us your requirements.
Below are some typical options:

  • Connectors: Molex, Harwin, Tyco/AMP, JST etc.
  • Lead wires & cables: Special lengths, Protective hose
  • Shaft: Round, D-Cut, Cross drilled, Key-Way, Thread or Hollow
  • Custom Winding: Resistance, Inductance, Current etc.


Additional Information

Motor Nema Size No
Gearbox Type Planetary
Gear Ratio 90.25:1
Max. Load 200Nm[283.2oz.in]
Rated Load 90Ncm[127.5oz.in]
Gear Backlash (Max.)
Bipolar / Unipolar Bipolar
Step Angle 0.020°
Holding Torque w/o Gearbox 4Ncm[5.7oz.in]
Rated Current 0.60A
Phase Resistance 10.00Ohm
Inductance 5.50mH
Shaft Diameter 6.00mm
Lead Length 300mm
Shaft Type D-Cut
Number of Leads 4
Shaft Length 15mm
Weight 0.2000

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