A hand operated can opener of the type in which a can is opened by cutting through an outer part of the rim joining the lid with the main body of the can, the opener having support means to which a cutter wheel (30) engageable with the rim (20) of the can and a drive wheel (18) arranged to grip the rim on an opposed side to said cutter wheel are rotatably mounted, the drive wheel being connected to a handle (19) for manual rotation to drive the drive wheel and cutter wheel around the can rim and wherein the drive wheel is rotatably mounted on the support means (12) by means of at least one rolling bearing, preferably a needle roller bearing. 展开▼