High-speed bearing with hollow shaft, particularly for carrying spinning rotor of spinning machine for producing component yarn

摘要

A hollow high-speed bearing shaft (1), especially for open-end spinning rotor for producing of multi-component yarns on an open-end spinning machine has the ratio of the diameter of the central hole (11) to the outer diameter of the shaft (1) equal to more than 0.525 and less than 0.75.