Nord Gearbox SK1SI31-12.5-R-56
$452.99
Nord Gearbox SK1SI31-12.5-R-56 — FLEXBLOC worm gearbox with 1.22″ center distance, 12.5:1 ratio, NEMA 56C input, and right-hand extended output shaft. Produces 140 RPM output and 212 lb-in torque.
Description
Nord Gearbox SK1SI31-12.5-R-56 Overview
The Nord Gearbox SK1SI31-12.5-R-56 is part of NORD’s FLEXBLOC right-angle worm gearbox series, engineered for applications requiring moderate speed reduction and right-hand shaft mounting. With a 1.22″ center distance, a 12.5:1 ratio, and a NEMA 56C motor adapter input, this model is compact yet powerful. Its 0.625″ right-hand extended output shaft is ideal for directional mounting in conveyors and automation systems.
Key Features & Specifications
✔ Center Distance: 1.22″ – Compact design for easy integration
✔ Ratio: 12.5:1 – Balanced reduction for moderate-speed applications
✔ Input: NEMA 56C Motor Adapter – Compatible with standard electric motors
✔ Output Shaft: 0.625″ Right-Hand Extended – Directional mounting flexibility
✔ Output Speed (RPM): 140 @ 1750 RPM motor input
✔ Maximum Input Horsepower: 0.61 HP
✔ Maximum Output Torque: 212 lb-in
Ideal For
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Conveyor systems with right-hand shaft requirements
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Packaging and processing machinery
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Mid-speed industrial automation setups
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OEM replacements needing directional torque output
Purchase the Nord Gearbox SK1SI31-12.5-R-56
This FLEXBLOC worm gearbox delivers reliable torque transfer in a compact form, built for moderate-load, mid-speed industrial applications. Order today for fast delivery, competitive pricing, and expert support.
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FAQs
What is the Nord SK1SI31-12.5-R-56 used for?
It is designed for conveyors, packaging equipment, and automation systems requiring right-hand shaft mounting with moderate-speed reduction.
What is the reduction ratio of this gearbox?
The SK1SI31-12.5-R-56 has a 12.5:1 ratio, delivering an output speed of 140 RPM with a 1750 RPM motor input.
What type of output shaft does it have?
It comes with a 0.625″ right-hand extended output shaft for directional mounting applications.
How much torque can it deliver?
This gearbox provides up to 212 lb-in of torque, making it well-suited for moderate-load equipment.
Is it compatible with standard motors?
Yes, it includes a NEMA 56C motor adapter input, making it compatible with widely available industrial motors.



