D | 
                          120 mm | 
                            B | 
                          23 mm | 
                            Cr | 
                          63.7 rpm | 
                            Cor | 
                          51 rpm | 
                            Reference speed | 
                          10000 rpm | 
                            limit speed | 
                          17000 rpm | 
                            Type | 
                          角接触球轴承 | 
