Ball bearings 61901 (RS, 2RS, Z, 2Z) Dimensions and Calculation data d12mm D24mm B6mm 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 r3,25kN Rated static load capacityC or1,67kN Fatigue strength limitPu0,085kN Bearing weight0,011kg Nominal speed67000r/min The maximum frequency of rotation40000r/min