Reply by CaptainKlutz

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Posted on Bearing and grease question - radial arm saw Montogomery Wards TCP 2610E

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3615 posts in 2351 days

#1 posted 05-21-2018 03:49 PM


Looks like standard yellow/amber grease that has aged?

Many years ago there were many different types of petroleum grease, each with a unique chemistry trying to improve longevity in certain conditions. There are typically color coded to help folks know which grease was used previously, with all basic colors included (white, red, blue, yellow, green, grey/sliver).
Today, there are 3 types of grease most common: Red (high temp), Yellow (everything not high temp), and synthetic. You can buy blue & green color coded greases designed for specific applications, but only find them at auto supply or bearing supplier. There are also molybdenum modified (silver/grey) greases for anti-seize on limited movement surfaces.

IMHO – only need ONE grease to replace common red/yellow/green/white grease applications, SYNTHETIC. The synthetic greases are all high temp, high performance materials compared to petro grease; and can be used interchangeably most everywhere (except maybe marine corrosion resistant grease for salt water applications).
I stopped keeping all different kinds of grease in my shop, and now only keep a tub of synthetic from Mobile One (Valvoline, Mobil, Royal Purple all make synthetic that works about same).

Only caution I add about synthetic grease is avoid any of the molybdenum modified greases when grease is used near electronic connections (I.E. near motor brushes, switches, or wiring). Molybdenum is electrically conductive and grease “fumes” will always migrate over time; creating shorts/intermittent electrical issues.

Hope this helps.

-- If it wasn't for bad luck, I wouldn't have no luck at all, - Albert King - Born Under a Bad Sign released 1967

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