Lin Engineering
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8618 Series
Hybrid Stepper Motor

Specifications:
  • NEMA 34 (3.390 in) Frame Size
  • 1.8° Step Angle
  • 2.5 to 5.07 in Length
  • 252.07 to 699.56 oz-in Holding Torque

Models

Model #NEMA sizeFrame sizeStep AngleConnection TypeLength, inCurrent AMPHolding Torque, oz-inResistanceInertia, oz-in²Weight, lbs# of LeadsAvailability
Picture of the leadscrew8618L-03PNEMA 343.390 in1.8°Parallel5.070 in9.38 AMP699.56 oz-in0.29.85 oz-in²8.001 lbs4Legacy
Picture of the leadscrew8618L-03SNEMA 343.390 in1.8°Series5.070 in4.69 AMP699.56 oz-in0.99.85 oz-in²8.001 lbs4Legacy
Picture of the leadscrew8618M-02PNEMA 343.390 in1.8°Parallel3.740 in5.6 AMP489.98 oz-in0.46.02 oz-in²5.65 lbs4Legacy
Picture of the leadscrew8618M-02SNEMA 343.390 in1.8°Series3.740 in2.8 AMP489.98 oz-in1.56.02 oz-in²5.65 lbs4Legacy
Picture of the leadscrew8618S-01PNEMA 343.390 in1.8°Parallel2.500 in8.54 AMP252.07 oz-in0.13.1 oz-in²3.201 lbs4Legacy
Picture of the leadscrew8618S-01SNEMA 343.390 in1.8°Series2.500 in4.27 AMP252.07 oz-in0.43.1 oz-in²3.201 lbs4Legacy

Torque Curves

Speed

  • 8618L-03S
  • 8618M-02S
  • 8618S-01S

Find the motor that fits your Target Torque (oz-in) and Target Speed (RPM)

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 °F to 122.00 °F
Storage Temperature-4 °F 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