55-20-4497

Technical Characteristics

• Section Quantity

  1

• Body Style

  4b cylindrical servo mounted

• Pilot Diameter

  0.7450 inches minimum and

• Pilot Diameter

  0.7550 inches maximum

• Undercut Diameter

  1.8745 inches minimum and

• Undercut Width

  0.0730 inches minimum and

• Undercut Width

  0.0830 inches maximum

• Body Diameter

  2.005 inches maximum

• Angle Of Mounting Hole In Deg

  90.0

• Angle Between Centerlines Of Mounting Holes In Deg

  120.0

• Shaft Diameter

  0.250 inches nominal

• Shaft Length

  0.843 inches maximum

• Body Length

  1.407 inches minimum and

• Mounting Lip Diameter

  2.0050 inches maximum

• Mounting Lip Depth

  0.0880 inches minimum and

• Mounting Lip Depth

  0.0980 inches maximum

• Effective Electrical Rotation In Deg Angular Rotation

  342.0 nominal

• Maximum Starting Torque

  0.60 inch-ounces (ounce-inches)

• Lateral Runout

  0.001 inches

• Shaft Radial Play

  0.0008 inches

• Screw Thread Diameter

  0.375 inches nominal

• Screw Thread Quantity Per Inch

  32.0

• Rotary Actuator Travel In Angular Deg

  360.0 nominal

• Temp Coefficient Of Resistance Per Section In Ppm Per Deg Celsius

  -20.0 to 20.0 single section

• Standard Taper Curve Per Section

  a single section

• Terminal Type And Quantity

  3 tab, solder lug

• Reliability Indicator

  not established

• Pilot Length

  0.0560 inches minimum and

• Pilot Length

  0.0660 inches maximum

• Undercut Diameter

  1.875 inches maximum

• Body Diameter

  1.995 inches minimum and

• Mounting Hole Diameter

  0.138 inches nominal

• Shaft Length

  0.781 inches minimum and

• Body Length

  1.417 inches maximum

• Mounting Lip Diameter

  1.9950 inches minimum and

• Mounting Hole/Stud Circle Diameter

  0.990 inches nominal

• Shaft Style

  1c round

• Actuator Type

  single shaft

• Shaft End Play

  0.005 inches

• Shaft Runout

  0.001 inches

• Screw Thread Series Designator

  unef

• Mounting Facility Quantity

  3

• Terminal Location

  radially positioned over less than half the circumference

• Mounting Method

  threaded hole

• Electrical Resistance Per Section

  20.0 kilohms single section

• Ambient Temp In Deg Celsius Per Section At Zero Percent Rated Power

  85.0 single section

• Power Dissipation Rating Per Section In Watts

  4.0 free air single section

• Resistance Tolerance Per Section In Percent

  -5.0 to 5.0 single section

• Actuator Travel Control Feature

  continuous motion

• Ambient Temp In Deg Celsius Per Section At Full Rated Power

  40.0 single section