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Grease around bearing cartridge?

Old 10-22-16, 09:40 AM
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Grease around bearing cartridge?

Asking specifically about a cartridge headset but question applies to hubs and bottom brackets as well:

Should I apply grease to the outside of the cartridge before assembly? I'm not talking about the ball bearing themselves. I'm talking about where the cartridges touch the split rings.

Does it matter?
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Old 10-22-16, 10:06 AM
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Originally Posted by Yan
Asking specifically about a cartridge headset but question applies to hubs and bottom brackets as well:

Should I apply grease to the outside of the cartridge before assembly? I'm not talking about the ball bearing themselves. I'm talking about where the cartridges touch the split rings.

Does it matter?
I always apply a film of grease to the outside of headset cartridge bearings as well as to the cups and crown race. The bearings themselves don't require the lube but it keeps out water and prevents corrosion if any does get in. I'd use the same reasoning to cartridge bearing hubs and cartridge bottom brackets.
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Old 10-22-16, 11:06 AM
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Do they salt the roads, where you live, in the Winter?
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Old 10-22-16, 11:48 AM
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I agree, a film of grease. Been a couple of threads where people couldn't get the bearings out of the seat. Plus helps stop squeaks.
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Old 10-22-16, 12:06 PM
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Originally Posted by Yan
Asking specifically about a cartridge headset but question applies to hubs and bottom brackets as well:

Should I apply grease to the outside of the cartridge before assembly? I'm not talking about the ball bearing themselves. I'm talking about where the cartridges touch the split rings.

Does it matter?
I use copper grease for where I don't want the parts to become "glued" together, so I can't dissasemble them later.
On the outside of the cartridge bearing dust seal, I would apply some water resistant grease, such as marine grease (boat trailer wheel bearings grease).
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Old 10-22-16, 12:59 PM
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Originally Posted by fietsbob
Do they salt the roads, where you live, in the Winter?
I wish. It hovers just above freezing here, and rains continuously. Terrible. We get snow twice a year for about five minutes each time.
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