Motor Charts & Engineering Formulas
Download & View Free Electric Motor Charts, Engineering Formulas, & more
Access a focused collection of charts and formulas designed to support motor selection, sizing, and installation. Find dimension charts for both NEMA & IEC motors, torque formulas, efficiency comparisons, and more. This resource is curated by our team of experts to provide you with the tools you need to get the job done right.
Our Most Popular Charts & Formulas
Get quick access to our most-used motor charts—essential for sizing, selecting, and installing with precision.
Nema Quick Reference Chart
This NEMA Quick Reference Chart provides engineers, technicians, and buyers with critical dimension data for electric motor frame sizes, keyseat dimensions, and motor type specifications.
IEC Quick Reference Chart
This IEC Quick Reference Chart offers a comprehensive breakdown of key dimensions, frame sizes, mounting styles, and IP protection ratings for IEC motors. It is an essential resource for engineers and technicians.
Greasing Charts
This document provides comprehensive greasing information for motor bearings, including relubrication schedules, compatible grease types, and conversion metrics for grease quantities. Use these charts to ensure optimal motor maintenance and longevity.
Motor Engineering Formulas
Essential motor engineering formulas, including Ohm’s Law, pump and fan efficiency equations, affinity laws, and AC/DC power calculations.
Mechanical Reference
Explore charts that cover shaft dimensions, frame sizes, bearing info, and mechanical specs.
Electrical Reference
Find key electrical formulas and reference tables for voltage, current, horsepower, and more.
Efficiency Tables
Compare energy performance data across brands and product types.
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Check out our full document library for more resources on electric motors, drives, and more.