D | 
                          110 mm | 
                            B | 
                          20 mm | 
                            Cr | 
                          52 rpm | 
                            Cor | 
                          45.5 rpm | 
                            Reference speed | 
                          12000 rpm | 
                            limit speed | 
                          19000 rpm | 
                            Type | 
                          角接触球轴承 | 
