Nord Gearbox SK1SI31-15-D-56
$409.30
Nord Gearbox SK1SI31-15-D-56 — FLEXBLOC worm gearbox with 1.22″ center distance, 15:1 ratio, NEMA 56C input, and double-extended output shaft. Produces 117 RPM output and 257 lb-in torque.
Description
Nord Gearbox SK1SI31-15-D-56 Overview
The Nord Gearbox SK1SI31-15-D-56 is part of NORD’s FLEXBLOC right-angle worm gearbox line, designed for efficient performance and dependable torque in mid-speed applications. With a 1.22″ center distance, a 15:1 ratio, and a NEMA 56C motor adapter input, it integrates easily into industrial systems. Its 0.625″ double-extended output shaft provides mounting versatility for dual-shaft configurations.
Key Features & Specifications
✔ Center Distance: 1.22″ – Compact and durable design
✔ Ratio: 15:1 – Optimized reduction for mid-speed output
✔ Input: NEMA 56C Motor Adapter – Compatible with widely used motor frames
✔ Output Shaft: 0.625″ Double Extended – Enables dual mounting flexibility
✔ Output Speed (RPM): 117 @ 1750 RPM motor input
✔ Maximum Input Horsepower: 0.66 HP
✔ Maximum Output Torque: 257 lb-in
Ideal For
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Conveyor systems needing mid-speed reduction
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Packaging and material handling equipment
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Industrial automation setups with dual-shaft requirements
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OEM replacements using NEMA 56C frame motors
Purchase the Nord Gearbox SK1SI31-15-D-56
This FLEXBLOC worm gearbox is engineered for long-lasting reliability, smooth operation, and adaptable mounting. Order online today for competitive pricing, quick shipping, and expert support.
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FAQs
What is the Nord SK1SI31-15-D-56 used for?
It is commonly used in conveyors, packaging equipment, and automation systems requiring mid-speed reduction with a double-extended shaft.
What is the reduction ratio of this gearbox?
The SK1SI31-15-D-56 has a 15:1 ratio, producing an output speed of 117 RPM with a 1750 RPM motor input.
What type of output shaft does it have?
This model has a 0.625″ double-extended output shaft for dual mounting applications.
How much torque can it deliver?
It provides up to 257 lb-in of torque, making it suitable for mid-range industrial loads.
Is it compatible with standard motors?
Yes, it features a NEMA 56C motor adapter input, ensuring compatibility with common industrial motors.



