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What is the best oil for electric motors?

Best Answers

Here's a quick video on what type of oil you should use for oiling electric fans and heaters. Do NOT use the black and red can of 3-in-1. It is not good for bearings because it has naphtha in it and it gums up easily. I bought this bottle at Lowes. read more

Whenever you have to lubricate an electric pump, bench grinder or other electric motor, don’t pull just any oil off the shelf. Instead, pick up electric motor oil, like 3-In-One electric motor oil (about $3 at amazon). Don’t use automotive motor oil! It’s too “thin” for electric motors. Plus, it contains detergent. read more

It depends on the motor. If no advice from manufacturer is available, a light, non-detergent, non-drying mineral oil is a good place to start. 3-in-1 is a common brand. read more

I bought the 3 in one motor oil years ago and i have used it for many different things such as: Electric motors, Power tools, Bicycle brake and shifter cables, chains and freewheels etc and many other things and it always works great, lasts along time and stands the heat of electric motors. read more

Further Research

Choosing oil for small electric motors
forum.allaboutcircuits.com

How to Oil an Electric Motor
www.familyhandyman.com

Lubrication Of Electric Motor Bearings
www.efficientplantmag.com