FIELD: manufacture of engines. SUBSTANCE: provision is made for complete matching of working surfaces of bearing and crank through increase of local pliability of bearing bed relative to crankshaft journal with no reduction of total rigidity of big end of connecting rod. Faces of connecting rod end are provided with slots, concentric relative to bearing bed over arc of no less than 45 deg; their depth is less than thickness of connector between bed of bearing insert and slot. EFFECT: enhanced reliability. 2 dwg
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