Nord Gearbox SK1SI40-5-D-56
$451.43
The Nord Gearbox SK1SI40-5-D-56 — FLEXBLOC worm gearbox with 1.57″ center distance, 5:1 ratio, NEMA 56C motor input, and 0.75″ double extended shaft. Produces 350 RPM output and 336 lb-in torque.
Description
Nord Gearbox SK1SI40-5-D-56 Overview
The Nord Gearbox SK1SI40-5-D-56 is a NORD FLEXBLOC right-angle worm gearbox designed for high input power and efficient torque transfer. With a 5:1 ratio and a 0.75″ double extended output shaft, this model is ideal for industrial applications requiring higher speeds and dependable performance.
Key Features & Specifications
✔ Center Distance: 1.57″ – compact yet durable build
✔ Ratio: 5:1 – delivers efficient speed reduction with higher output speed
✔ Input: NEMA 56C Motor Adapter – ensures compatibility with standard motors
✔ Output Shaft: 0.75″ Double Extended Shaft
✔ Output Speed (RPM): 350 (with 1750 RPM motor input)
✔ Maximum Input Horsepower: 2.1 HP
✔ Maximum Output Torque: 336 lb-in
Applications
This gearbox is best suited for:
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Conveyor systems requiring higher output speeds
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Machinery designed for fast operation with controlled torque
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OEM builds needing robust and versatile reduction gearboxes
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Packaging and light processing equipment
Order the Nord Gearbox SK1SI40-5-D-56
The SK1SI40-5-D-56 provides NORD’s proven engineering for smooth, efficient operation and long-term reliability. Order today from Industrial Gearbox Solutions for fast delivery and expert support.
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FAQs
What is the reduction ratio of the SK1SI40-5-D-56?
This gearbox features a 5:1 reduction ratio.
What type of shaft does this gearbox include?
It comes with a 0.75″ double extended output shaft.
What is the maximum torque rating?
The gearbox can handle up to 336 lb-in of torque.
What motor input does it support?
It uses a NEMA 56C motor adapter input.
What is the output speed with a 1750 RPM motor?
The output speed is approximately 350 RPM.



