NGLI #1 vs. NGLI #2 Grease - Teach me please!

Hotflashjr

Well-known Member
Location
Western MA
Can someone tell me in idiot terms the difference between NGLI #1 and NGLI #2 grease please? Besides #2 costing a bit more I cannot really tell what is the major difference or what the application it would replace over the #1 would be. I am sure there is some little additive or structure difference, but where would I need #2 instead of #1 for general farm use?

Thanks!
 
I was told to use #2 in my King Kutter spindles and I would have no bearing problems.
I had called the factory to ask.
They have last through years of abuse.
Richard in NW SC
 
The NGLI number refers to the consistency.

#1 is physically softer than #2.

http://www.skf.com/group/products/lubrication-solutions/lubricants/understanding-grease-technical-data/index.html

(quoted from post at 07:34:59 12/28/17) Can someone tell me in idiot terms the difference between NGLI #1 and NGLI #2 grease please? Besides #2 costing a bit more I cannot really tell what is the major difference or what the application it would replace over the #1 would be. I am sure there is some little additive or structure difference, but where would I need #2 instead of #1 for general farm use?

Thanks!
 
In the old day's #0 was for steering boxes. #1 was general purpose chassis grease. #2 was wheel bearing grease. At one time Quaker State made a #3 wheel bearing grease that was stiffer than bad peanut butter.
 
just because they're NLGI #2 doesn't mean they're equivalent for application or as heavy duty as another #2 grease. They can have different thickening agents and different pressure ratings. About the best I have found and use is JD SD polyurea. You can use that on both roller and friction bearings (bushings). Severe duty. Others can create problems based on their contents. moly isn't good on bearings especially needle bearings, etc.
 

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