CONNECTING ROD BEARING FOR CRANKSHAFT OF INTERNAL COMBUSTION ENGINE
A connecting rod bearing (3) for a crankpin (5) of a crankshaft of an internal combustion engine includes a pair of half bearings (31, 32) forming a cylindrical shape. Each half bearing has a main cylindrical portion (72) including a circumferentially central portion (C) of the half bearing, and cru...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A connecting rod bearing (3) for a crankpin (5) of a crankshaft of an internal combustion engine includes a pair of half bearings (31, 32) forming a cylindrical shape. Each half bearing has a main cylindrical portion (72) including a circumferentially central portion (C) of the half bearing, and crush reliefs (70, 70) formed on both circumferential sides of the main cylindrical portion with a wall thickness being smaller than that of the main cylindrical portion. At least one half bearing has an axial groove (71) which extends in an axial direction on a slide surface (7) of the main cylindrical portion, and is apart from the circumferentially central portion by a circumferential angle of 10° or more toward a forward side in a rotation direction of the crankpin, and apart from the crush relief by a circumferential angle of 10° or more toward the circumferentially central portion. |
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