Ball bearings 61821 (RS, 2RS, Z, 2Z) Dimensions and Calculation data d105mm D130mm B13mm rs1mm 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 r20,8kN Rated static load capacityC or19,6kN Fatigue strength limitPu1kN Bearing weight0,32kg Nominal speed10000r/min The maximum frequency of rotation6300r/min