Patent ID: 9574464
Date: 2017-02-21
CPC Classifications: F01L

Claim:
1. A camshaft for an internal combustion engine comprising: a drive wheel arranged on a longitudinal end side and including at least one of a chain wheel and belt pulley, at least one first bearing arranged proximate to the drive wheel on a localized radially enlarged region and at least one second bearing supporting the camshaft at a further region, wherein the at least one first bearing includes a rolling bearing having an inner diameter of 24 mm<d i <30 mm, and wherein the inner diameter d i is larger than an outer diameter d a of the camshaft at the further region adjacent the at least one second bearing, and wherein the outer diameter d wherein the localized radially enlarged region is an expanded region of the camshaft on the longitudinal end side having the drive wheel disposed between an axial end face of the camshaft and the at least one second bearing, and wherein the at least one first bearing is arranged on the expanded region, or wherein the localized radially enlarged region includes a sleeve arranged on the longitudinal end side between an axial end face of the camshaft and the at least one second bearing, wherein the at least one first bearing including the rolling bearing has an inner ring mounted on the sleeve.