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8618 Series
Hybrid Stepper Motor

  • NEMA 34 (3.390 in) Frame Size
  • 1.8° Step Angle
  • 3.740 in Length
  • 489.98 oz-in Holding Torque

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Torque Curves


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Motor Specifications

Base Motor Part Number8618M-02S
Step Angle1.8°
Frame Size3.390 in
Body Length 3.740 in
Current (AMP)2.8 AMP
Holding Torque 489.98 oz-in
Resistance1.5 ohm
Rotor Inertia6.02 oz-in²
Number of leads4
Weight5.65 lbs

Operating Specifications

Radial Play0.001 in @ 1 lbs
End Play0.003 in @ 3 lbs
Shaft Run Out0.002 TIR
Concentricity of Mounting Pilot to Shaft0.003 TIR
Perpendicularity of Mounting Pilot to Face0.003 TIR
Max Radial Load at Dimension "K" from mounting face24 lbs
Dimension "K"0.800 in
Max Axial Load22 lbs
Maximum Case Temperature176.00 °F maximum
Ambient Temperature-4 ° to 122.00 °F
Storage Temperature-4 ° to 212.00 °F
Humidity Range (%) 85% or less, non-condensing
Magnet Wire InsulationClass B 130 deg C
Insulation Resistance100M Ohm at 500 VDC
Dielectric Strength900 VAC for 1 minute

8618 Series

Related Products


8618M-02S Configured Datasheet (PDF)
Lin Engineering Catalog 2020 (PDF)
Motor Numbering System (PDF)

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