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mightyohm |
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#1
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Advanced Member ![]() ![]() ![]() ![]() Group: Benefactors Posts: 2,277 Joined: 16-January 03 From: Seattle, WA Member No.: 162 Region Association: Pacific Northwest ![]() ![]() |
This is an extreme closup of a rod bearing on a 2.0 I tore down. There is a small crater in the bearing. It is at least a few thousands deep and definitely catches a nail. The scratches through it are from me scraping at it with my nail to see if more would flake off.
Anyone seen this before? I have a cam bearing that is much worse but no pics yet. Attached image(s) ![]() |
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Mark Henry |
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#2
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that's what I do! ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada ![]() |
Delamination, seen it many times.
The bearing has seen a long hard life, good job you're replacing them. Main cuprit's are age, overheating and oil breakdown. I have a customers crank with the center main like that, will need a .020 cut just to clean up. We found him a better crank. |
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