Ball bearings 61906 (RS, 2RS, Z, 2Z) Dimensions and Calculation data d30mm D47mm B9mm rs0,3mm 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 r7,55kN Rated static load capacityC or4,71kN Fatigue strength limitPu0,222kN Bearing weight0,051kg Nominal speed30000r/min The maximum frequency of rotation19000r/min