| 摘要 |
PROBLEM TO BE SOLVED: To provide the bearing structure of a crankshaft, in which the seizure and abrasion of a two-piece bearing can be prevented while increasing a load capacity against shaking force and not increasing an abrasion loss. SOLUTION: In the bearing structure of a crankshaft 30 journalled by a two-piece bearing, an oil clearanceΔγ1 between a half bearing 32 whose shaking force receiving from the crankshaft 30 is large and the crankshaft 30, out of the two-piece bearing, is formed smaller than an oil clearanceΔγ2 between the other half bearing 31 and the crankshaft 30.
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