Ball bearings 6301 (RS, 2RS, Z, 2Z) Dimensions and Calculation data d12mm D37mm B12mm 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 r10,27kN Rated static load capacityC or4,32kN Fatigue strength limitPu0,197kN Bearing weight0,061kg Nominal speed45000r/min The maximum frequency of rotation28000r/min