Posted by JDseller on July 01, 2012 at 16:17:12 from (208.126.196.144):
In Reply to: Which grease? posted by dcarp on July 01, 2012 at 12:42:11:
I looked up the sheet on this grease. It would appear to be a better grease for sliding and pivot types of applications. The sheet says "Excellent adhesion permits it to have better "stay-ability" than most other greases" and "Because this product has better adhesion, it is a little more difficult to pump than less adhesive greases". So it would appear that this is a fairly thick grease. It also uses "Anhydrous Calcium" as its thickener. I would think anything with calcium would tend to setup. This "sticky" grease is not what you want in bearing and gear box applications. You want a grease that will soften and move toward any friction to lube it.
I switched to JD ploy urea grease ten years ago or more. It cost about twice what the regular grease does, $4.05 per tube, but it does not get hard in fittings and has water inhibitors. It is what JD recommends in the out board axle bearings on the row crop tractors. I am getting much better life out of all my bearing applications since I started using it. U-joints in my 4x4 pickups have had the best response I am getting 5-6 years out the front end joints now compared with half that with just a lithium grease. I rarely have a plugged fitting. Even in disk and things that set between usage a lot.
Here is a usage sheet on it:
Multi-Purpose SD Polyurea Gun Grease - TY6341
Features: Ideal in rolling-contact applications -15 to 350°F (-26 to 177°C) For high-temperature, extreme-pressure conditions Used for initial lubrication at the factory in U-joints and axle bearings For excellent protection in corrosive and wet conditions Compatible with most other types of grease Excellent for all-purpose applications, especially those requiring a severe-duty grease Our best multi-purpose grease Service rating: Equipment manufacturers' extended service intervals NLGI grade 2 JDM J13E1, J13E4, J13E5 and J25C GC-LB
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