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GM Shaft Bearing S E M / E D S
Metal debris from excessive bearing wear becomes third-party abrasive in lubricants.
Untreated
Treated
This bearing supports the compressor drive shaft and is located immediately behind the shaft seal.
Untreated
Treated
S E M 2500 X Magnification
E D S of Bearing Surface
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ELEMENT
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UNTREATED
WEIGHT %
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TREATED
WEIGHT %
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O
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Oxygen
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20.03
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None
Present
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Si
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Silicon
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1.18
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0.46
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Cr
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Chromium
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2.26
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1.87
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Mn
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Manganese
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0.62
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0.77
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Fe
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Iron
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76.62
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96.18
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Other
GM V-5 Tests
* GM V-5 Performance Test
* GM
V-5 Durability Testing
* Orifice
Tube Contamination
* GM
V-5 Shaft Seal Surface Analysis
* GM
Shaft Bearing S E M / E D S
* GM
V-5 Thrust Bearing
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