

                            d | 
                          50 mm | 
                            D | 
                          90 mm | 
                            B | 
                          20 mm | 
                            Cr | 
                          39.1 rpm | 
                            Cor | 
                          34.5 rpm | 
                            Fatigue load | 
                          1.46 pu | 
                            Reference speed | 
                          13000 rpm | 
                            limit speed | 
                          8000 rpm | 
                            Type | 
                          Deep groove ball bearing |