| 摘要 |
A half bearing 2 , 3 for a crankshaft of an internal combustion engine is provided. The half bearing 2 , 3 includes crush relieves 5 at both circumferential end portions of an inner circumferential surface 2a, 3a thereof. The half bearing 2 , 3 further includes an axial groove 6 at a position adjacent to a crush relief 5 on a rear side of a relative rotation direction of the crankshaft, and adjacent to the inner circumferential surface 2a, 3a of the half bearing 2 , 3. The axial groove 6 extends along an entire width of the inner circumferential surface 2a, 3a of the half bearing 2 , 3.
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