Nord Gearbox SK1SI40-20-L-56
$441.60
The Nord Gearbox SK1SI40-20-L-56 is a FLEXBLOC worm gearbox with 1.57″ center distance, 20:1 ratio, NEMA 56C motor input, and 0.75″ left-hand extended shaft. Provides 88 RPM output and 398 lb-in torque.
Description
Nord Gearbox SK1SI40-20-L-56 Overview
The Nord Gearbox SK1SI40-20-L-56 is a NORD FLEXBLOC right-angle worm gearbox engineered for reliable torque delivery and long service life. Featuring a 20:1 ratio and a left-hand extended output shaft, it’s designed for compact, heavy-duty applications across multiple industries.
Key Features & Specifications
✔ Center Distance: 1.57″
✔ Gear Ratio: 20:1
✔ Input: NEMA 56C Motor Adapter
✔ Output Shaft: 0.75″ Left-Hand Extended Shaft
✔ Output Speed (RPM): 88 (with 1750 RPM motor)
✔ Maximum Input Horsepower: 0.77 HP
✔ Maximum Output Torque: 398 lb-in
Applications
The SK1SI40-20-L-56 is ideal for:
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Conveyor and packaging systems
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Food processing equipment
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Automation and assembly machinery
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OEM gearbox replacement projects
Order the Nord Gearbox SK1SI40-20-L-56
At Industrial Gearbox Solutions, we supply authentic Nord FLEXBLOC gearboxes engineered for efficiency and durability. The SK1SI40-20-L-56 delivers consistent performance in demanding industrial environments.
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FAQs
What ratio does the SK1SI40-20-L-56 provide?
This gearbox features a 20:1 ratio, producing an 88 RPM output speed with a 1750 RPM motor.
What type of shaft does this model use?
It comes with a 0.75″ left-hand extended output shaft.
How much torque can it deliver?
The unit provides a maximum output torque of 398 lb-in.
What motor frames are compatible?
It is designed to fit NEMA 56C motor adapters.
Why choose this gearbox?
Its compact design, durable build, and reliable torque make it ideal for high-demand applications.



