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Ok to use Mobil XHP 220 motor bearing grease for bearings?

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Ok to use Mobil XHP 220 motor bearing grease for bearings?

Old 12-01-21, 05:27 PM
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MyRedTrek
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Ok to use Mobil XHP 220 motor bearing grease for bearings?

Any reason something like Mobil XHP 220 motor bearing grease wouldn't work for any bearing on a bike?
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Old 12-01-21, 05:39 PM
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What's the reason to pick that grease? It's what you have on hand? It's what you read was magic?

Unless the riding is going to be in conditions on the edges of the weather bell curve most generally available greases will do just fine. Until it becomes contaminated or washed out. Servicing bearings is like bathing. It's less about the soap brand then the fact you are doing some sort of cleaning routinely. Andy
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Old 12-01-21, 05:52 PM
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Originally Posted by Andrew R Stewart View Post
What's the reason to pick that grease? It's what you have on hand? It's what you read was magic?

Unless the riding is going to be in conditions on the edges of the weather bell curve most generally available greases will do just fine. Until it becomes contaminated or washed out. Servicing bearings is like bathing. It's less about the soap brand then the fact you are doing some sort of cleaning routinely. Andy
I saw elsewhere that someone was using it because they have some left over from a previous job. Seemed to me it should be fine - just curious if there's something I'm not aware of that might be a problem. If they've got a tub of it it'll probably last several lifetimes.
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Old 12-01-21, 06:36 PM
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The only issue I can see- if I read the data from Mobil correctly (odds are about 1 in 5), 220 is a NLGI 0 grease, that may be too thin. Don't get a 5gal pail before you get some of that grease in your hand to look at. Farm machinery, trucks, cars, grade 2 is the most common.

https://www.mobil.com/en/lubricants/...x-pdsdatasheet

https://www.nyelubricants.com/need-t...se-consistency

Last edited by grizzly59; 12-01-21 at 06:41 PM.
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Old 12-01-21, 08:03 PM
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Originally Posted by grizzly59 View Post
The only issue I can see- if I read the data from Mobil correctly (odds are about 1 in 5), 220 is a NLGI 0 grease, that may be too thin. Don't get a 5gal pail before you get some of that grease in your hand to look at. Farm machinery, trucks, cars, grade 2 is the most common.

https://www.mobil.com/en/lubricants/...x-pdsdatasheet

https://www.nyelubricants.com/need-t...se-consistency
For myself I'm probably many years from using up my tube of Park Tool PPL-1.

Could something that holds up in commercial washing machine motors be inadequate for a bicycle?
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Old 12-01-21, 09:45 PM
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Originally Posted by MyRedTrek View Post
For myself I'm probably many years from using up my tube of Park Tool PPL-1.

Could something that holds up in commercial washing machine motors be inadequate for a bicycle?
Bikes as we know them really don't like pressure sprays. The meager seals our components have don't do a good job with pressure washers or car washes. I think you'll find that a commercial washer has a fair amount of separation between the wet parts and the motor bearings.

I still stand by my first reply that most any grease is fine and it's how frequently we service our bearings that is vastly more important than which lube we use. Andy
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Old 12-01-21, 11:10 PM
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Originally Posted by Andrew R Stewart View Post
Originally Posted by MyRedTrek View Post
For myself I'm probably many years from using up my tube of Park Tool PPL-1.

Could something that holds up in commercial washing machine motors be inadequate for a bicycle?
Bikes as we know them really don't like pressure sprays. The meager seals our components have don't do a good job with pressure washers or car washes. I think you'll find that a commercial washer has a fair amount of separation between the wet parts and the motor bearings.

I still stand by my first reply that most any grease is fine and it's how frequently we service our bearings that is vastly more important than which lube we use. Andy
I wasn't even thinking about water intrusion which my understanding is should be avoided. I was thinking of the amount of stress and vastly higher RPMs washing machine motor bearings are going to be subjected to. Seems that lube should stand up to anything it's going to encounter in a bicycle.
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Old 12-02-21, 06:56 AM
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Originally Posted by MyRedTrek View Post
I wasn't even thinking about water intrusion which my understanding is should be avoided. I was thinking of the amount of stress and vastly higher RPMs washing machine motor bearings are going to be subjected to. Seems that lube should stand up to anything it's going to encounter in a bicycle.
Except maybe water intrusion, which you admittedly didn't consider and on a bike is more probable than with a motor that runs in an indoor environment.
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Old 12-02-21, 07:21 AM
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As Andrew R Stewart said you will be fine; higher NLGI grades are mostly for higher temperature and pressure applications which cycling is not. Cleaning and re-greasing periodically is far more important than whether your grease has the consistency of peanut butter or mustard.
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Old 12-02-21, 01:40 PM
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Old 12-02-21, 05:15 PM
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Originally Posted by Sy Reene View Post
Originally Posted by MyRedTrek View Post
I wasn't even thinking about water intrusion which my understanding is should be avoided. I was thinking of the amount of stress and vastly higher RPMs washing machine motor bearings are going to be subjected to. Seems that lube should stand up to anything it's going to encounter in a bicycle.
Except maybe water intrusion, which you admittedly didn't consider and on a bike is more probable than with a motor that runs in an indoor environment.
Does any lube stand up well to water intrusion? I keep seeing people say to be careful when washing a bike to avoid it. As I understand it that's why boat trailers constantly have bearing failures, because people don't stay on top of re-lubing them after they're submerged.
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Old 12-02-21, 05:42 PM
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Originally Posted by MyRedTrek View Post
Does any lube stand up well to water intrusion? I keep seeing people say to be careful when washing a bike to avoid it. As I understand it that's why boat trailers constantly have bearing failures, because people don't stay on top of re-lubing them after they're submerged.
As good of a primer on the fascinating topic of grease as I've come across: The Complete Guide to Greases
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Old 12-02-21, 07:14 PM
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Originally Posted by MyRedTrek View Post
Does any lube stand up well to water intrusion? I keep seeing people say to be careful when washing a bike to avoid it. As I understand it that's why boat trailers constantly have bearing failures, because people don't stay on top of re-lubing them after they're submerged.
The blue ‘waterproof’ grease resists this
more than other lighter, faster types of grease, but the grease itself doesn’t ‘seal’ your hubs or BB, unless you fill the entire cavity.

Those kind of bearing failures aren’t directly caused by submersion. A trailer wheel bearing, being backed down a boat ramp is a pretty low stress situation. If the bearing housing is full of grease, there will be nowhere for the water to go, and water won’t enter the hub.
this is why boat trailer hubs feature zerk fittings, because you have to keep them ‘full’ as opposed to highway trailers, which can be ‘dry’ other than the actual bearing surfaces.

leaving a void inside the hub, and filling it with water, then running it down the road will mix the grease and water, emulsifying it, and breaking down it’s lubricant properties. Let it go long enough, and you have a bearing failure.

If you ride in the rain a lot, repacking your wheels and BB with ‘waterproof trailer grease’ should be more than sufficient for the kinds of conditions a typical bicycle sees.

Last edited by Ironfish653; 12-02-21 at 07:19 PM.
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Old 12-02-21, 08:08 PM
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It isn't that most grease is water friendly and only some are "waterproof". Pretty much all greases are not going to dissolve away with water but that, as Ironfish653 said, the water and grease mix in an emulsion. At best the added water and thus added volume of the fluids will see some bleed out and reduce the actual grease amount in the bearing area. The water off the road isn't just water but contains chemicals not friendly to your bike and carries grit/grime, think of a polishing tumbler and its slurry.

Phil Wood long ago talked about how water and grease mix and how that leads to bearing failure. Back then it was known, with a wink and smile, that their claim of "waterproof grease" was a total marketing hook. It was their industrial bearing's better seals (compared to the metal dust caps common then) and proper preloading that made them last longer (and thus the dawn of "sealed bearing" began) Andy
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Old 12-04-21, 12:00 PM
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This is my go-to for bearings. Bel-Ray. I use Park Polylube 1000 and sometimes SRAM Butter for just about everything else.
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Old 12-04-21, 09:47 PM
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Anything suitable for ball bearings is going to be fine. Oil would be fine if you could keep in the bearing. Grease is used when you can't. Even the wrong lubricant is better than no lubricant. There's no reason to seek out something like Mobil XHP 220 if you don't already have it.

I use Maxima waterproof grease (competitor to Bel-Ray) simply because it's a bearing grease that I already have lots of from working on motorcycles. I even saw it on the shelf at a LBS where I bought a bike earlier this year and that bike had it on the seatpost from when the shop assembled it. It shouldn't have since it was a carbon post in an aluminum frame, but that's another discussion.
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