The straight seam bushing is also a variety of bushings which are stamped and formed by bimetallic materials. The seams are straight seams and have a certain amount of opening in the free state. The straight seam rolling bushings produced by our company use advanced equipment. The mold processing technology can ensure that the straight seam gap is no more than 0.5mm, the alloy layer uniformity is less than 0.05mm, and it is widely used in SteyrWD615 and Perkins Phaser1000 series engines.