Ball bearings 61808 (RS, 2RS, Z, 2Z) Dimensions and Calculation data d40mm D52mm 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 r4,94kN Rated static load capacityC or3,96kN Fatigue strength limitPu0,29kN Bearing weight0,034kg Nominal speed26000r/min The maximum frequency of rotation16000r/min