A turbocharger assembly can include a shaft sleeve that includes a bore that extends between a first end and a second end; a shaft received by the bore of the shaft sleeve where the shaft includes a compressor end and a turbine wheel that defines a turbine end; and a balance collar disposed on the shaft and seated axially between the end of the shaft sleeve and the turbine wheel wherein the balance collar includes a stem portion and a flared portion that includes a sacrificial portion.