Ball bearings 6228 (RS, 2RS, Z, 2Z) Dimensions and Calculation data d140mm D250mm B42mm rs3mm Do you have a question or need help? If you would like one of our specialists to contact you for clarification, please click here. Contacts Rated dynamic load capacityC r166kN Rated static load capacityC or150kN Fatigue strength limitPu4,88kN Bearing weight7,56kg Nominal speed5300r/min The maximum frequency of rotation3400r/min