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In Engineers We Trust

Posted by Crystal Carr on 7/18/2018 to News

Here at Phoenix, we get a lot of calls and emails from people wanting to make sure they have found the right Genuine OEM Replacement Pulley for their Scag mower, needing help measuring their pulley, or wanting to verify stock on our timing pulleys. We love these calls and we are happy to help! We have an extensive selection of pulleys that can work in many different types of projects and hope you will find one that works for you!

We also get the occasional email or phone call requesting advise on which size pulley to use when starting a new project. A recent caller with just such a question turned out to be designing an industrial automatic coffee grinder. Our intrepid innovators usually begin with, “I’ve got a 5 horsepower motor with a ¾” shaft, and I want to know what size pulleys to buy to get 300 RPM.”

For those kinds of questions, we recommend the following online calculators, they can help you quickly figure out what will work best with your applications:

Block Layer has a handy visual aid. Select large and small pulleys along with your desired RPM. This site does not discuss motors.

- Culver Motor  – Similar to Block Layer with links to additional information regarding belt tension, hub load, etc...

Have you found a particular website or forum helpful for designing your custom project? Leave a comment below to update the list so everyone else can find what they need, too. 

Thank you for your continued trust in us for assistance with designing your own lawn mower, snow blower, elevator, industrial fan, seeder, stump grinder, and custom robot overlord…


NOTE: Phoenix Pulleys Bearings & Belts is not affiliated with any of the above sites. We have had no contact with them except via the web that connects us all. 

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