Ball bearings 6306 (RS, 2RS, Z, 2Z) Dimensions and Calculation data d30mm D72mm B19mm rs1,1mm 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 r29,9kN Rated static load capacityC or16,25kN Fatigue strength limitPu0,813kN Bearing weight0,33kg Nominal speed20000r/min The maximum frequency of rotation13000r/min