atlas spindle bearing oil cups

aforsman,

No. 20W50 is going to also be high detergent, which is hydroscopic, which will cause rust in all but super-dry climates. Use straight mineral oil. Today, as you may have already discovered, straight SAE 20 is almost unobtainable from common sources like auto parts stores and hardwares. You will need to look at machine shop supply sources and probably under ISO equivalent. ISO 68 is approximately correct. Last that I bought was Mobile from Enco. Available in gallons.

itsmebernie,

No. The sleeve bearings are sintered (porous) bronze and don't especially need felts in the oil cups to meter the oil. If you run an open oil cup over tapered roller bearings you will have too much oil initially, which can lead to bearing overheating. Shortly, you will have dry bearings which leads to scoring and overheating. The felt meters the oil being delivered to the rollers.

Robert D.
 
I dont know Bob, my napas got straight 20? For yrs like a car #10 winter #20-50 summer of whatever, rust no problem, they dont have time to rust.
I cant afford leaving the heat on in the winter, but the shop wont go below 40* overnight. "yet" , nothing is turned on until room temp.
Im just sayin.
 
3in1 motor oil is non detergent and you can get it everywhere. http://www.3inone.com/products/motor-oil/


product-motor.jpg


aforsman,

No. 20W50 is going to also be high detergent, which is hydroscopic, which will cause rust in all but super-dry climates. Use straight mineral oil. Today, as you may have already discovered, straight SAE 20 is almost unobtainable from common sources like auto parts stores and hardwares. You will need to look at machine shop supply sources and probably under ISO equivalent. ISO 68 is approximately correct. Last that I bought was Mobile from Enco. Available in gallons.

itsmebernie,

No. The sleeve bearings are sintered (porous) bronze and don't especially need felts in the oil cups to meter the oil. If you run an open oil cup over tapered roller bearings you will have too much oil initially, which can lead to bearing overheating. Shortly, you will have dry bearings which leads to scoring and overheating. The felt meters the oil being delivered to the rollers.

Robert D.
 
Yes, the day about a year ago that I went looking for SAE 20, I found it at Ace in 3-In-One. And bought a can. But it is quite expensive for the quantity that you get. I can't recall now what I calculated that a gallon would cost but it was over $100. If anyone still has a NAPA that carries SAE 20, you are lucky. One of the dozen or so stores I went to the day I did a search locally was a NAPA. They didn't even find it in their catalog. Nor did any of the other places. I ended up buying a gallon of Mobile ISO 68 from Enco. And put the can of 3-In-One SAE 20 on the electronics bench with a can of 3-In-One SAE 10.

Robert D.
 
aforsman,

No. 20W50 is going to also be high detergent, which is hydroscopic, which will cause rust in all but super-dry climates. Use straight mineral oil. Today, as you may have already discovered, straight SAE 20 is almost unobtainable from common sources like auto parts stores and hardwares. You will need to look at machine shop supply sources and probably under ISO equivalent. ISO 68 is approximately correct. Last that I bought was Mobile from Enco. Available in gallons.

itsmebernie,

No. The sleeve bearings are sintered (porous) bronze and don't especially need felts in the oil cups to meter the oil. If you run an open oil cup over tapered roller bearings you will have too much oil initially, which can lead to bearing overheating. Shortly, you will have dry bearings which leads to scoring and overheating. The felt meters the oil being delivered to the rollers.

Robert D.

Hey Robert,

I don't understand your correction when I said what you did. A felt in place in a vertical cup to allow a drip feed would work fine with either style bearing. Just NOT in contact with the bearings in a roller bearing machine.

Bernie


Bernie
 
I just bought a small bottle of the stuff from Ace to get me started. It was only $2.49. I probably only use my 7x14 a few times a month, so I can't imagine I'll be using this one much more often. That $2.49 bottle might last me all year :)).
 
Tractor Supply sells SAE 20 non detergent. Kendall, Amsoil, Accel and most oil makers lists it. Also motor (electric) shops are users of non detergent oil. When I ran the parts counter at our local GM dealership we stocked Mobil One SAE 20 non detergent as well. Only one case but it moved, mostly old car owners were buying it. Those without oil filters on their engines required this type of oil.
Pierre
 
We have a Tractor Supply in town. I'll check it out next time I'm there.
 
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