Importance

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Abstract

A sliding bearing may include half members, obtained by splitting a cylinder in half, arranged in an upper and lower direction. A narrow groove extending in the circumference direction may be formed on one of the half members, on a downstream side in a rotation direction. A circumference edge portion may be formed on an outer side of the narrow groove, and may be formed to be lower than a contact surface of the sliding bearing to be in contact with a shaft. Projecting portions and recessed portions may be alternately arranged on a bottom surface of the narrow groove in parallel with a longitudinal direction of the narrow groove. A coating layer may be formed on an inner circumference surface of the half member, the coating layer including at least a region from an inner circumference end to an intermediate portion inner-side surface of the narrow groove.

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First Claim