D | 
                          320 mm | 
                            B | 
                          52 mm | 
                            Cr | 
                          291 rpm | 
                            Cor | 
                          375 rpm | 
                            Reference speed | 
                          2200 rpm | 
                            limit speed | 
                          2400 rpm | 
                            Type | 
                          角接触球轴承 | 
