AC Gearmotor 230/460 Nameplate RPM 90 Max. Torque 3540.0 in.-lb. Enclosure TEFC

  • Item # 39RK77
  • My Part #
  • Mfr. Model # SK572.1-112MP/4 19.57
  • Catalog Page # 76
  • UNSPSC # 20101617
AC Gearmotor 230/460 Nameplate RPM 90 Max. Torque 3540.0 in.-lb. Enclosure TEFC close

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.

CAD Downloads

Web Price $1,313.00 / each
Activate Now

to save with

Select AdvantageSM

This item requires special shipping, additional charges may apply.

Please sign in or register to access lists

Please sign in or register to access Quote

Want to Get Free Shipping?

  • Shipping Weight 119.0 lbs.
Country of Origin Germany Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

NordBloc™ motors have 20:1 variable torque (VT) and 5:1 constant torque (CT). Unicase™ 1-pc. housing is dimensionally interchangeable with SEW Eurodrive.

• Totally-enclosed fan cooled
• CW/CCW rotation

View More

Technical Specs

  • Item AC Gearmotor
  • Gearmotor Type AC Gearmotor
  • Gearmotor Voltage 230/460VAC
  • Gearmotor Phase 3
  • Max. Torque 3540.0 in.-lb.
  • Gearmotor Shaft Type Single
  • Gearmotor Shaft Orientation Inline
  • Gearmotor Rotation CW/CCW
  • Nameplate RPM 90
  • Gearmotor Enclosure Totally Enclosed Fan-Cooled
  • Gearmotor Mounting Position Horizontal
  • Gearmotor Brake Type None
  • Length Less Shaft 22-5/8"
  • Hz 60
  • Reversible Shaft Output No
  • No Load RPM 90
  • Overhung Load 1109 lb.
  • Input HP 5
  • Gear Ratio 19.5:1
  • Full Load Amps 6.5
  • Insulation Class F
  • Thermal Protection None
  • Max. Ambient Temp. 40 Degrees C
  • Motor Type 3-Phase
  • Shaft Dia. (Dimension U) 1-3/8"
  • Keyway Size 5/16" x 5/32" x 2-1/8"
  • Number of Brake Discs Required 0
  • Bearings Ball
  • Lubrication Grease Filled
  • Finish Unpainted
  • Housing Die Cast Aluminum Alloy
  • Gear Case Material Die Cast Aluminum Alloy
  • Gears Hardened Steel
  • Gear Material Hardened Steel
  • Gear Type Helical/In-line
  • Seals Lip
  • Application Power Transmission
  • Standards ANSI/AGMA
How can we improve our Technical Specifications?

Compliance and Restrictions


Customer Reviews

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.