CRANKSHAFT, MAIN BEARING CONSTRUCTION [AJ (3.0L Duratec)]
BUE011011301N01
• Cast iron has been adopted on the crankshaft.
• The crankshaft has internal oil passages for supplying oil to each journal.
• The internal surface of the upper main bearing has oil grooves and holes for oil lubrication.
• An integrated thrust bearing has been adopted on the lower main bearing.
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1
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Upper main bearing
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2
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Upper thrust bearing
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3
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3 holes for supplying engine oil
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4
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Crankshaft
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5
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Oil line
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6
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Lower main bearing (integrated with thrust part)
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7
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Crank pin
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8
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Oil passage
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9
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Lower main bearing
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