An assembly comprising: a turbocharger bearing housing (260, 1360) that comprises bore walls that define a bore; a semi-floating bearing (201, 1301) that comprises opposing ends, two inner journals (220, 220', 1320, 1320'), one set of lubricant openings (218, 218', 1318, 1318') for each of the inner journals and an annular notch (205,1305) disposed between one set of lubricant openings (218, 1318) and an end of the bearing (201, 1301) and another annular notch (205', 1305') disposed between the other set of lubricant openings (218', 1318') and the other end of the bearing (201, 1301); and two substantially planar springs (250, 250', 850, 851, 1350, 1350') each of the springs seated in a respective one of the annular notches (205, 205', 1305, 1305'), wherein each of the springs comprises in a free standing state a first end and a second end, a free standing inner diameter, straight sections tangent to the free standing inner diameter and disposed between the first end and the second end, and at least two curved sections, each disposed between two of the straight sections wherein when seated in a respective one of the annular notches (205, 205', 1305, 1305'), the straight sections of each of the springs (250, 250', 850, 851, 1350, 1350') contact the semi-floating bearing (201, 1301), wherein when positioned in the bore, the at least two curved sections of each of the springs (250, 250', 850, 851, 1350, 1350') contact one of the bore walls, and wherein when seated in the annular notches (205, 205', 1305, 1305') and positioned in the bore, the springs (250, 250', 850, 851, 1350, 1350') balance inward radial bias and outward radial bias and position the semi-floating bearing (201, 1301) in the bore of the housing (260, 1360) with clearances for lubricant squeeze film formation between the semi-floating bearing (201, 1301) and the bore walls. a turbocharger bearing housing (260, 1360) that comprises bore walls that define a bore; a semi-floating bearing (201, 1301) that comprises opposing ends, two inner journals (220, 220', 1320, 1320'), one set of lubricant openings (218, 218', 1318, 1318') for each of the inner journals and an annular notch (205,1305) disposed between one set of lubricant openings (218, 1318) and an end of the bearing (201, 1301) and another annular notch (205', 1305') disposed between the other set of lubricant openings (218', 1318') and the other end of the bearing (201, 1301); and two substantially planar springs (250, 250', 850, 851, 1350, 1350') each of the springs seated in a respective one of the annular notches (205, 205', 1305, 1305'), wherein each of the springs comprises in a free standing state a first end and a second end, a free standing inner diameter, straight sections tangent to the free standing inner diameter and disposed between the first end and the second end, and at least two curved sections, each disposed between two of the straight sections wherein when seated in a respective one of the annular notches (205, 205', 1305, 1305'), the straight sections of each of the springs (250, 250', 850, 851, 1350, 1350') contact the semi-floating bearing (201, 1301), wherein when positioned in the bore, the at least two curved sections of each of the springs (250, 250', 850, 851, 1350, 1350') contact one of the bore walls, and wherein when seated in the annular notches (205, 205', 1305, 1305') and positioned in the bore, the springs (250, 250', 850, 851, 1350, 1350') balance inward radial bias and outward radial bias and position the semi-floating bearing (201, 1301) in the bore of the housing (260, 1360) with clearances for lubricant squeeze film formation between the semi-floating bearing (201, 1301) and the bore walls.