Ball bearings 618/9 (RS, 2RS, Z, 2Z) Dimensions and Calculation data d9mm D17mm B4mm rs0,2mm 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 r1,43kN Rated static load capacityC or0,64kN Fatigue strength limitPu0,027kN Bearing weight0,0034kg Nominal speed85000r/min The maximum frequency of rotation53000r/min