Nord Gearbox SK1SI40-25-D-56
$510.12
The Nord Gearbox SK1SI40-25-D-56 is a FLEXBLOC worm gearbox with 1.57″ center distance, 25:1 ratio, NEMA 56C motor input, and 0.75″ double extended shaft. Provides 70 RPM output and 372 lb-in torque.
Description
Nord Gearbox SK1SI40-25-D-56 Overview
The Nord Gearbox SK1SI40-25-D-56 is a NORD FLEXBLOC right-angle worm gearbox engineered for durability, smooth operation, and energy efficiency. Featuring a 25:1 gear ratio with a double extended output shaft, this model is designed for industrial applications that require reliable speed reduction and strong torque output.
Key Features & Specifications
✔ Center Distance: 1.57″
✔ Gear Ratio: 25:1
✔ Input: NEMA 56C Motor Adapter
✔ Output Shaft: 0.75″ Double Extended Shaft
✔ Output Speed (RPM): 70 (with 1750 RPM motor)
✔ Maximum Input Horsepower: 0.6 HP
✔ Maximum Output Torque: 372 lb-in
Applications
The SK1SI40-25-D-56 is commonly used in:
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Conveyor systems
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Material handling equipment
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Food processing and packaging
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General manufacturing machinery
Order the Nord Gearbox SK1SI40-25-D-56
At Industrial Gearbox Solutions, we supply authentic Nord FLEXBLOC gearboxes built to deliver dependable, high-efficiency performance. The SK1SI40-25-D-56 is ideal for OEM projects and replacement needs where precision and compact design are essential.
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FAQs
What ratio does the SK1SI40-25-D-56 provide?
This gearbox has a 25:1 ratio, giving an output speed of 70 RPM with a 1750 RPM motor.
What shaft configuration does it use?
It includes a 0.75″ double extended output shaft.
How much torque can it handle?
The gearbox delivers up to 372 lb-in torque.
What motor input does it support?
It is designed for NEMA 56C motor adapters.
Why choose this gearbox?
Its durable worm gear design, compact housing, and efficient power transmission make it a trusted choice for industrial use.



