Patent ID: 8888447

Claim:
A turbocharger including: a rotating assembly including a shaft ( 52 ) and a turbine wheel ( 51 ) solidly affixed to one end of the shaft; a bearing housing ( 3 ) including a bearing bore having a compressor end, a turbine end, a bearing bore internal diameter, and an abutment ( 87 ) formed by area of reduced diameter adjacent the turbine end of the bearing bore; a bearing housing closure ( 6 ) disposed at the compressor end of the bearing bore; a rolling element bearing cartridge supported in said bearing housing, the cartridge comprising at least one inner race and at least one outer race ( 64 ), a series of rolling elements, each rolling element in contact with an inner and an outer race; wherein said rotating assembly is supported for rotation by said rolling element bearing; wherein a recess ( 105 ) is provided in the compressor-end face of the abutment ( 87 ) or in the turbine-end face of the bearing housing closure ( 6 ); and wherein one end of the outer race is reduced radially in diameter and axially in length except in an area ( 104 ) dimensioned to correspond to the recess ( 105 ), such that the recess ( 105 ) and the area of not reduced diameter ( 104 ) engage to prevent rotation of the outer race while in the assembled condition.