Ball bearings 61806 (RS, 2RS, Z, 2Z) Dimensions and Calculation data d30mm D42mm B7mm 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 r4,49kN Rated static load capacityC or3,1kN Fatigue strength limitPu0,155kN Bearing weight0,027kg Nominal speed32000r/min The maximum frequency of rotation20000r/min