Ball bearings 6304 (RS, 2RS, Z, 2Z) Dimensions and Calculation data d20mm D52mm B15mm rs1,1mm 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 r17,1kN Rated static load capacityC or7,97kN Fatigue strength limitPu0,355kN Bearing weight0,15kg Nominal speed30000r/min The maximum frequency of rotation19000r/min