Ball bearings 61804 (RS, 2RS, Z, 2Z) Dimensions and Calculation data d20mm D32mm 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 r4,19kN Rated static load capacityC or2,5kN Fatigue strength limitPu0,22kN Bearing weight0,018kg Nominal speed45000r/min The maximum frequency of rotation28000r/min